EP1354257A2 - A framework for providing visual context to www hyperlinks - Google Patents

A framework for providing visual context to www hyperlinks

Info

Publication number
EP1354257A2
EP1354257A2 EP01983756A EP01983756A EP1354257A2 EP 1354257 A2 EP1354257 A2 EP 1354257A2 EP 01983756 A EP01983756 A EP 01983756A EP 01983756 A EP01983756 A EP 01983756A EP 1354257 A2 EP1354257 A2 EP 1354257A2
Authority
EP
European Patent Office
Prior art keywords
web page
web
image
hyperlink
visual image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP01983756A
Other languages
German (de)
French (fr)
Other versions
EP1354257A4 (en
Inventor
Shirli Ran
Eldad Barnoon
Yuval Yarom
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Google LLC
Original Assignee
GIRAFA COM Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/708,191 external-priority patent/US6864904B1/en
Application filed by GIRAFA COM Inc filed Critical GIRAFA COM Inc
Priority to EP10184296A priority Critical patent/EP2270682A3/en
Publication of EP1354257A2 publication Critical patent/EP1354257A2/en
Publication of EP1354257A4 publication Critical patent/EP1354257A4/en
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/95—Retrieval from the web
    • G06F16/957—Browsing optimisation, e.g. caching or content distillation

Definitions

  • the present invention relates to Internet methodologies and systems generally and more particularly to systems and methodologies for displaying information received over the Internet.
  • the present invention seeks to provide a particularly beneficial methodology and system for displaying information received over the Internet.
  • the method includes providing to a user a visual image of a web page containing at least one hyperlink, and at least partially concurrently providing a visual image of another web page of at least one web site which is represented by said at least one hyperlink.
  • the visual image of said another web page is displayed alongside the visual image of said web page.
  • the visual image of another web page appears hovering over said hyperlink.
  • the visual image of said another web page is displayed within the visual image of said web page.
  • the visual image of another web page appears hovering over said hyperlink.
  • the visual images of a plurality of other web pages represented by at least one hyperlink are displayed simultaneously along with said visual image of a web page containing at least one hyperlink.
  • the web page comprises an HTML page.
  • the method also includes providing a visual image of another web page includes employing a web browser including visualization functionality which interfaces via the Internet with an image server.
  • the visualization functionality is operative to download via the image server from an image database images of web pages which are referenced in hyperlinks contained in the web page and to provide to a user, via the web browser, an annotated web page.
  • annotated web page includes the web page having alongside it images of homepages linked with the web page.
  • the method includes providing a visual image of another web page and includes employing a web browser which interfaces via the Internet with a web server including visualization functionality.
  • the visualization functionality operates to embed commands to the web browser to download, via an image server, images of web pages which are referenced in hyperlinks contained in the web page and to provide to a user, via the web browser, an annotated web page.
  • annotated web page may include the web page having within it images of homepages linked with the web page.
  • the visualization functionality includes generation of a list of hyperlinks from a web page, elimination of links which refer back to a web server sending said web page, determination of whether redirection links are present and if so, visualizing an ultimate destination thereof and visualizing remaining hyperlinks.
  • the visualization functionality may also include receiving a list of hyperlinks, splitting a URL of each hyperlink into URL components including at least a path component and a host component, trimming a path component based on the consideration of finding the most representative image of a given web page and constructing a new URL including a trimmed path component.
  • the method includes receiving a list of URLs corresponding to web pages, the images of which it is desired to download into an image database, operating a multiplicity of downloaders simultaneously by supplying to each downloader one URL at a time, causing each downloader to retrieve from the Internet, a web page and embedded objects corresponding to the URL supplied to it, causing a thumbnail generator to render the web page and causing said thumbnail generator to shrink said rendered image of the web page and supply it to the downloader.
  • the method also includes deleting executable content from the web page.
  • the method includes causing each downloader to retrieve from the Internet, a web page and embedded objects corresponding to the URL supplied to it and causing a thumbnail generator to operate a corresponding web browser to render the web page employ a locally stored copy of said web page and said embedded objects.
  • the method includes employmg a web server for providing said locally stored copy of said web page and of said embedded objects to said web browser.
  • the visual image of another web page appears hovering over said hyperlink.
  • a system for presenting Internet information to a user including a first functionality providing to a user a visual image of a web page containing at least one hyperlink and a second functionality operative at least partially concurrently with said first functionality for providing a visual image of another web page of at least one web site which is represented by said at least one hyperlink.
  • the visual image of said another web page is displayed alongside the visual image of said web page.
  • the visual image of said another web page is displayed within the visual image of said web page.
  • the visual images of a plurality of other web pages represented by at least one hyperlink are displayed simultaneously along with said visual image of a web page containing at least one hyperlink.
  • the web page comprises an HTML page.
  • the second functionality comprises third functionality employing a web browser including visualization functionality which interfaces via the Internet with an image server.
  • the visualization functionality is operative to download via the image server from an image database images of web pages which are referenced in hyperlinks contained in the web page and to provide to a user, via the web browser, an annotated web page.
  • the annotated web page includes the web page having alongside.it images of homepages linked with the web page.
  • the second functionality comprises fourth functionality employing a web browser which interfaces via the Internet with a web server including visualization functionality.
  • the visualization functionality is operative to embed commands to the web browser to download, via an image server, images of web pages which are referenced in hyperlinks contained in the web page and to provide to a user, via the web browser, an annotated web page.
  • the annotated web page includes the web page having within it images of homepages linked with the web page.
  • the visualization functionality includes the generation of a list of hyperlinks from a web page, the elimination of links which refer back to a web server sending said web page, the determination of whether redirection links are present and if so, visualizing an ultimate destination thereof and the visualizing remaining hyperlinks.
  • the visualization functionality includes receiving a list of hyperlinks, splitting a URL of each hyperlink into URL components including at least a path component and a host component, trimming a path component based on the consideration of finding the most representative image of a given web page and constructing a new URL including a trimmed path component.
  • the visual image of another web page appears hovering over said hyperlink.
  • the visual image of another web page appears hovering over said hyperlink.
  • the visual image of another web page appears hovering. over said hyperlink.
  • the visual image of another web page appears hovering over said hyperlink.
  • the visual image of another web page may appear to hover over said hyperlink.
  • the visual image of another web page appears hovering over said hyperlink.
  • a system for generating a web page image database includes at least one downloader receiving one URL at a time and retrieving from the Internet a web page and embedded objects corresponding to the URL received by it and at least one thumbnail generator operative to render the web page, shrink said rendered image of the web page and supply said rendered image to the downloader.
  • the at least one downloader is operative to delete executable content from the web page.
  • each downloader retrieves from the Internet, a web page and embedded objects corresponding to the URL received by it and locally stores a copy of said web page and said embedded objects and causes said thumbnail generator to render the web page by employing said locally stored copy of said web page and said embedded objects.
  • the system also includes a web server providing said locally stored copy of said web page and of said embedded objects.
  • Fig. 1 is a simplified partially pictorial, partially block diagram illustration of a system and methodology for displaying information received over the Internet in accordance with a preferred embodiment of the present invention
  • Fig. 2 is a simplified partially pictorial, partially block diagram illustration of a system and methodology for displaying information received over the Internet in accordance with another preferred embodiment of the present invention
  • Fig. 3 is a simplified flow chart of part of visualization functionality employed in the system and methodology of Fig. 1 ;
  • Fig..4 is a simplified flow chart of visualization functionality employed in accordance with a preferred embodiment of the present invention.
  • Fig. 5 is a simplified flow chart of path component trimming functionality employed in the embodiment of Fig. 3;
  • Fig. 6 is a simplified block diagram illustration of a system for generating an image database useful in the system and methodology of Figs. 1 and 2;
  • Fig. 7 is a flow chart illustrating operation of a controller forming part of the system * of Fig. 6;
  • Fig. 8 is a flow chart illustrating operation of a downloader forming part of the system of Fig. 6;
  • Fig. 9 is a flow chart illustrating operation of a process HTML algorithm employed in the downloader of Fig. 8;
  • Fig. 10 is a flow chart illustrating operation of a thumbnail generator forming part of the system of Fig. 6; and
  • Fig. 11 is a flow chart illustrating operation of a broker forming part of the system of Fig. 6.
  • Fig. 1 is a simplified partially pictorial, partially block diagram illustration of a system and methodology for displaying information received over the Internet in accordance with a preferred embodiment of the present invention.
  • a web browser 100 such as Microsoft Internet Explorer 5.5, typically resident on a PC, such as a Dell Dimension L733 running Microsoft Windows 98, receives a web page 101, such as an HTML page, over the Internet from a web server 102.
  • the web browser 100 preferably includes visualization functionality 103 which interfaces, typically via the Internet, with an image server 104, such as a Dell Power Edge 2450 running Apache 1.3.12 on an OpenBSD 2.7 operating system.
  • the image server 104 interfaces with an image database 106, which is preferably a Dell Power Edge 2450 running MySQL 3.23.25 on an OpenBSD 2.7 operating system which is preferably loaded by using functionality of the type described hereinbelow with reference to Fig. 7.
  • image database 106 which is preferably a Dell Power Edge 2450 running MySQL 3.23.25 on an OpenBSD 2.7 operating system which is preferably loaded by using functionality of the type described hereinbelow with reference to Fig. 7.
  • the visualization functionality 103 is operative to download via the image server 104 from the image database 106 images of web pages which are referenced in hyperlinks contained in the web page 101 and to provide to a user, via the web browser
  • an annotated web page 110 which preferably includes the web page 101 having alongside it images 112 of homepages linked with web page 101.
  • Fig. 2 is a simplified partially pictorial, partially block diagram illustration of a system and methodology for displaying information received over the Internet in accordance with another preferred embodiment of the present invention.
  • a web browser 200 typically resident on a PC, such as a Dell Dimension L733 running Microsoft Windows 98, interfaces, typically via the Internet, with a web server 202, such as a Dell Power Edge 2450 running Apache 1.3.12 on an OpenBSD 2.7 operating system.
  • the web server 202 interfaces with a dynamic page generator 204, such as a
  • the dynamic page generator 204 interfaces with a database 208, such as a Dell Power Edge 2450 running MySQL 3.23.25 on an OpenBSD 2.7 operating system.
  • the web browser 200 preferably interfaces with an image server 210, such as a Dell Power Edge 2450 running Apache 1.3.12 on an OpenBSD 2.7 operating system.
  • the image server 210 interfaces with an image database 212, which is preferably a Dell Power Edge 2450 running MySQL 3.23.25 on an OpenBSD 2.7 operating system, which is preferably loaded by using functionality of the type described hereinbelow with reference to Fig. 7.
  • the visualization functionality 206 is operative to embed within a dynamically generated web page, such as an HTML page, commands to the web browser 200 to download via the image server 210 from the image database 212 images of web pages which are referenced in hyperlinks contained in a web page 213 and to provide to a . user, via the web browser 200, the web page 213 annotated to include therewithin images 216 of homepages linked therewith.
  • a dynamically generated web page such as an HTML page
  • Figs. 1 and 2 may provide images of web pages which are referenced in hyperlinks contained in a web page either alongside or within that web page. It is also appreciated that either or both of the embodiments Figs. 1 and 2 may provide images of web pages which are referenced in hyperlinks contained in a web page, which images hover either over or alongside the hyperlinks. It is appreciated that the visual image of another web page may function as a hyperlink.
  • Fig. 3 is a simplified flow chart of part of visualization functionality employed in the system and methodology of Fig. 1. The flow chart of Fig. 3 illustrates generation of a list of hyperlinks from a web page, such as web page 101 in the embodiment of Fig. 1 received from a web server 102.
  • Fig. 4 is a simplified flow chart of visualization functionality employed in accordance with a preferred embodiment of the present invention.
  • a list of hyperlinks is received. This list may be derived from a web page such as web page 101 in the embodiment of Fig. 1 using the functionality of Fig. 3 or may be provided by dynamic page generator 204 and obtained via database 208 in the embodiment of Fig. 2.
  • the URL of each hyperlink is split into URL components. For example, if the URL of a hyperlink appears as follows:
  • the components thereof include the following:
  • the path component may be trimmed based on the consideration of finding the most representative image of a given web page.
  • a flow chart illustrating a preferred algorithm for making this determination appears in Fig. 5 and is described hereinbelow.
  • the trimmed path component appears as follows:
  • a new URL is constructed from the scheme, host, port and trimmed path components. This URL is employed for outputting an http query to an image server, such as image server 104 in the embodiment of Fig. 1 or 210 in the embodiment of Fig. 2.
  • image server 104 in the embodiment of Fig. 1 or 210 in the embodiment of Fig. 2.
  • a preferred form of http query in the above example appears as follows:
  • Fig. 5 is a simplified flow chart of path component trimming functionality employed in the embodiment of Fig. 4.
  • the path component trimming functionality comprises receipt of the URL components after splitting thereof, as described hereinabove with reference to the flowchart of Fig. 4.
  • Information from the host component of the URL is employed in trimming of the path component of the URL.
  • Each path component comprises a plurality of path segments.
  • Determination whether a path component is a file name is typically carried out by examining the suffix thereof to determine whether it is a known suffix representing a file name.
  • the path component is trimmed after that first path segment. If the host is not www.geocities.com, the path component is trimmed after the second path segment. If the host is www.geocities.com and any of the first three path segments consists of 4 digits, the path component is trimmed after the first segment that consists of 4 digits. If the host is www.geocities.com and none of the first three path segments consists of 4 digits, the path component is trimmed after the second segment.
  • Fig. 6 is a simplified block diagram illustration of a system for generating an image database useful in the system and methodology of Figs. 1 and 2.
  • a controller 600 receives a list 602 of homepages, the images of which it is desired to download into an image database 604, such as image database 106 in the embodiment of Fig. 1 or image database 212 in the embodiment of Fig. 2.
  • the controller 600 operates a multiplicity of downloaders 606 simultaneously by supplying to each downloader one URL at a time.
  • Each downloader 606 retrieves from the Internet, the homepage and the embedded objects corresponding to the URL supplied to it by the controller 600 and deletes therefrom executable block content.
  • the resulting output of the downloaders 606 is supplied to a web server 608 via a database 610.
  • Each downloader 606 establishes a connection with one of a plurality of thumbnail generators 612 via a broker 614. Once this connection has been established, a URL of a locally stored copy of a downloaded homepage, which is stored in database 610, is sent to the thumbnail generator 612 with which the connection has been established.
  • Each thumbnail generator 612 operates a corresponding web browser 616 to download via web server 608 the locally stored copy of the homepage, which is stored in database 610.
  • the thumbnail generators 612 each receive a rendered image of the homepage from a corresponding web browser 616 and shrink it and supply it to the downloader 606 -with which the connection has been established. It is appreciated that normally the number of downloaders exceeds the number of thumbnail generators by at least an order of magnitude.
  • the broker 614 coordinates interaction between a thumbnail generator and a downloader.
  • FIG. 7 is a flow chart illustrating operation of a controller forming part of the system of Fig. 6.
  • a list of homepages is received from database 602 (Fig. 6).
  • Each homepage is taken from the list and downloaded by a downloader 606 " (Fig. 6).
  • the functionality of Fig. 7 ensures that a predetermined number of downloaders operate simultaneously, so long as the list of undownloaded homepages is sufficiently long.
  • Fig. 8 is a flow chart illustrating operation of a downloader forming part of the system of Fig. 6. As seen in Fig. 8, each downloader maintains a download queue for the homepage which the downloader is currently downloading.
  • the download queue includes a list of URLs of objects in the homepage as well as the homepage object that require downloading in order to provide a local copy of the homepage.
  • the downloaded object is stored in database 610 (Fig. 6) as a local copy. If the downloaded object is an HTML page, then the HTML page is processed, preferably by an algorithm of the type described hereinbelow in Fig. 9.
  • thumbnail generator 612 (Fig. 6) via broker 614 (Fig. 6).
  • the URL of the local copy of the homepage object is sent to the thumbnail generator 612 and a thumbnail image of the homepage is generated hereby.
  • This thumbnail image is stored in image database 604
  • Fig. 9 is a flow chart illustrating operation of a process HTML algorithm employed in the downloader of Fig. 8.
  • the HTML object which is downloaded is scanned, the executable content thereof is eliminated and embedded objects therein are recognized.
  • thumbnail generator 612 is a flow chart illustrating operation of a thumbnail generator, such as thumbnail generator 612, forming part of the system of Fig. 6.
  • the thumbnail generator initializes a web browser functionality 616 (Fig. 6).
  • the thumbnail generator 612 receives the URL of the local copy of the homepage.
  • the web browser navigates to that URL and renders the homepage.
  • a snapshot of the homepage is taken, typically in bitmap form. This snapshot is resized to a desired thumbnail size and is then transmitted via the downloader 606 for storage in image database 604.
  • Fig. 11 is a flow chart illustrating operation of a broker, such as broker 614, forming part of the system of Fig. 6.
  • the broker receives connection requests from both thumbnail generators 612 (Fig. 6) and downloaders 606

Abstract

A method and a system for presenting Internet information to a user including providing to a user a visual image of a web page (101) containing at least one hyperlink, and at least partially concurrently providing a visual image of another web page (112) of at least one web site which is represented by the at least one hyperlink.

Description

A FRAMEWORK FOR PROVIDING VISUAL CONTEXT TO WWW
HYPERLINKS
FIELD OF THE INVENTION The present invention relates to Internet methodologies and systems generally and more particularly to systems and methodologies for displaying information received over the Internet.
BACKGROUND OF THE INVENTION The following U.S. Patents are believed to represent the current state of the art:
6,101,510; 6,016,494; 6,011,537; 5,973,692.
The following disclosures are also believed to be relevant to the subject matter of the present invention:
R .Yarger, G.Reese, and T.King "MySQL & mSQL," O'REILLY & Associates Ine, 1999, ISBN 1-56592-434-7;
B.Laurie, and PLaurie "Apache the Definitive Guide, 2nd edition," O'REILLY & Associates Ine, 1999, ISBN 1-56592-528-9;
C.Musciano, and B.Kennedy "HTML the Definitive Guide, 3rd edition," O'REILLY & Associates Ine, 1998, ISBN 1-56592-492-4; Libwww http://www.w3.org Library;
T.Berners-Lee, R.Fielding, and L.Masinter "Uniform Resource Identifiers (URT): Generic Syntax", RFC 2396, August 1998.
SUMMARY OF THE INVENTION The present invention seeks to provide a particularly beneficial methodology and system for displaying information received over the Internet.
There is thus provided in accordance with a preferred embodiment of the present invention a method for presenting Internet information to a user. The method includes providing to a user a visual image of a web page containing at least one hyperlink, and at least partially concurrently providing a visual image of another web page of at least one web site which is represented by said at least one hyperlink.
Further in accordance with a preferred embodiment of the present invention the visual image of said another web page is displayed alongside the visual image of said web page.
Preferably the visual image of another web page appears hovering over said hyperlink. Still further in accordance with a preferred embodiment of the present invention the visual image of said another web page is displayed within the visual image of said web page. The visual image of another web page appears hovering over said hyperlink.
Additionally in accordance with a preferred embodiment of the present invention the visual images of a plurality of other web pages represented by at least one hyperlink are displayed simultaneously along with said visual image of a web page containing at least one hyperlink.
Furthermore in accordance with a preferred embodiment of the present invention the web page comprises an HTML page.
Moreover in accordance with a preferred embodiment of the present invention, the method also includes providing a visual image of another web page includes employing a web browser including visualization functionality which interfaces via the Internet with an image server.
Preferably the visualization functionality is operative to download via the image server from an image database images of web pages which are referenced in hyperlinks contained in the web page and to provide to a user, via the web browser, an annotated web page.
Additionally or alternatively the annotated web page includes the web page having alongside it images of homepages linked with the web page.
Further in accordance with a preferred embodiment of the present invention, the method includes providing a visual image of another web page and includes employing a web browser which interfaces via the Internet with a web server including visualization functionality.
Preferably the visualization functionality operates to embed commands to the web browser to download, via an image server, images of web pages which are referenced in hyperlinks contained in the web page and to provide to a user, via the web browser, an annotated web page.
Additionally the annotated web page may include the web page having within it images of homepages linked with the web page.
Additionally in accordance with a preferred embodiment of the present invention the visualization functionality includes generation of a list of hyperlinks from a web page, elimination of links which refer back to a web server sending said web page, determination of whether redirection links are present and if so, visualizing an ultimate destination thereof and visualizing remaining hyperlinks.
Further in accordance with a preferred embodiment of the present invention the visualization functionality may also include receiving a list of hyperlinks, splitting a URL of each hyperlink into URL components including at least a path component and a host component, trimming a path component based on the consideration of finding the most representative image of a given web page and constructing a new URL including a trimmed path component.
There is also thus provided in accordance with a preferred embodiment of the present invention a method for generating a web page image database. The method includes receiving a list of URLs corresponding to web pages, the images of which it is desired to download into an image database, operating a multiplicity of downloaders simultaneously by supplying to each downloader one URL at a time, causing each downloader to retrieve from the Internet, a web page and embedded objects corresponding to the URL supplied to it, causing a thumbnail generator to render the web page and causing said thumbnail generator to shrink said rendered image of the web page and supply it to the downloader.
Further in accordance with a preferred embodiment of the present invention the method also includes deleting executable content from the web page.
Still further in accordance with a preferred embodiment of the present invention the method includes causing each downloader to retrieve from the Internet, a web page and embedded objects corresponding to the URL supplied to it and causing a thumbnail generator to operate a corresponding web browser to render the web page employ a locally stored copy of said web page and said embedded objects.
Additionally in accordance with a preferred embodiment of the present invention the method includes employmg a web server for providing said locally stored copy of said web page and of said embedded objects to said web browser.
Furthermore in accordance with a preferred embodiment of the present invention the visual image of another web page appears hovering over said hyperlink.
There is further provided in accordance with another preferred embodiment of the present invention a system for presenting Internet information to a user including a first functionality providing to a user a visual image of a web page containing at least one hyperlink and a second functionality operative at least partially concurrently with said first functionality for providing a visual image of another web page of at least one web site which is represented by said at least one hyperlink.
Further in accordance with a preferred embodiment of the present invention the visual image of said another web page is displayed alongside the visual image of said web page.
Still further in accordance with a preferred embodiment of the present invention the visual image of said another web page is displayed within the visual image of said web page.
Furthermore in accordance with a preferred embodiment of the present invention the visual images of a plurality of other web pages represented by at least one hyperlink are displayed simultaneously along with said visual image of a web page containing at least one hyperlink.
Additionally in accordance with a preferred embodiment of the present invention the web page comprises an HTML page. Further in accordance with a preferred embodiment of the present invention the second functionality comprises third functionality employing a web browser including visualization functionality which interfaces via the Internet with an image server.
Preferably the visualization functionality is operative to download via the image server from an image database images of web pages which are referenced in hyperlinks contained in the web page and to provide to a user, via the web browser, an annotated web page. Additionally or alternatively the annotated web page includes the web page having alongside.it images of homepages linked with the web page.
Further in accordance with a preferred embodiment of the present invention the second functionality comprises fourth functionality employing a web browser which interfaces via the Internet with a web server including visualization functionality.
Preferably the visualization functionality is operative to embed commands to the web browser to download, via an image server, images of web pages which are referenced in hyperlinks contained in the web page and to provide to a user, via the web browser, an annotated web page. Additionally or alternatively the annotated web page includes the web page having within it images of homepages linked with the web page. Further in accordance with a preferred embodiment of the present invention the visualization functionality includes the generation of a list of hyperlinks from a web page, the elimination of links which refer back to a web server sending said web page, the determination of whether redirection links are present and if so, visualizing an ultimate destination thereof and the visualizing remaining hyperlinks.
Still further in accordance with a preferred embodiment of the present invention the visualization functionality includes receiving a list of hyperlinks, splitting a URL of each hyperlink into URL components including at least a path component and a host component, trimming a path component based on the consideration of finding the most representative image of a given web page and constructing a new URL including a trimmed path component. Furthermore in accordance with a preferred embodiment of the present invention the visual image of another web page appears hovering over said hyperlink.
Additionally in accordance with a preferred embodiment of the present invention the visual image of another web page appears hovering over said hyperlink.
Additionally or alternatively the visual image of another web page appears hovering. over said hyperlink. Preferably the visual image of another web page appears hovering over said hyperlink.
Furthermore the visual image of another web page may appear to hover over said hyperlink.
Still further in accordance with a preferred embodiment of the present invention the visual image of another web page appears hovering over said hyperlink.
There is provided in accordance with yet another preferred embodiment of the present invention a system for generating a web page image database, the system includes at least one downloader receiving one URL at a time and retrieving from the Internet a web page and embedded objects corresponding to the URL received by it and at least one thumbnail generator operative to render the web page, shrink said rendered image of the web page and supply said rendered image to the downloader.
Further in accordance with a preferred embodiment of the present invention the at least one downloader is operative to delete executable content from the web page.
Still further in accordance with a preferred embodiment of the present invention each downloader retrieves from the Internet, a web page and embedded objects corresponding to the URL received by it and locally stores a copy of said web page and said embedded objects and causes said thumbnail generator to render the web page by employing said locally stored copy of said web page and said embedded objects.
Preferably the system also includes a web server providing said locally stored copy of said web page and of said embedded objects.
BRIEF DESCRIPTION OF THE DRAWINGS
The present invention will be understood and appreciated more fully from the following detailed description, taken in conjunction with the drawings in which:
Fig. 1 is a simplified partially pictorial, partially block diagram illustration of a system and methodology for displaying information received over the Internet in accordance with a preferred embodiment of the present invention;
Fig. 2 is a simplified partially pictorial, partially block diagram illustration of a system and methodology for displaying information received over the Internet in accordance with another preferred embodiment of the present invention;
Fig. 3 is a simplified flow chart of part of visualization functionality employed in the system and methodology of Fig. 1 ;
Fig..4 is a simplified flow chart of visualization functionality employed in accordance with a preferred embodiment of the present invention;
Fig. 5 is a simplified flow chart of path component trimming functionality employed in the embodiment of Fig. 3; Fig. 6 is a simplified block diagram illustration of a system for generating an image database useful in the system and methodology of Figs. 1 and 2;
Fig. 7 is a flow chart illustrating operation of a controller forming part of the system* of Fig. 6;
Fig. 8 is a flow chart illustrating operation of a downloader forming part of the system of Fig. 6;
Fig. 9 is a flow chart illustrating operation of a process HTML algorithm employed in the downloader of Fig. 8; Fig. 10 is a flow chart illustrating operation of a thumbnail generator forming part of the system of Fig. 6; and
Fig. 11 is a flow chart illustrating operation of a broker forming part of the system of Fig. 6.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS
Reference is now made to Fig. 1, which is a simplified partially pictorial, partially block diagram illustration of a system and methodology for displaying information received over the Internet in accordance with a preferred embodiment of the present invention. As seen in Fig. 1, a web browser 100, such as Microsoft Internet Explorer 5.5, typically resident on a PC, such as a Dell Dimension L733 running Microsoft Windows 98, receives a web page 101, such as an HTML page, over the Internet from a web server 102. The web browser 100 preferably includes visualization functionality 103 which interfaces, typically via the Internet, with an image server 104, such as a Dell Power Edge 2450 running Apache 1.3.12 on an OpenBSD 2.7 operating system.
The image server 104 interfaces with an image database 106, which is preferably a Dell Power Edge 2450 running MySQL 3.23.25 on an OpenBSD 2.7 operating system which is preferably loaded by using functionality of the type described hereinbelow with reference to Fig. 7.
The visualization functionality 103 is operative to download via the image server 104 from the image database 106 images of web pages which are referenced in hyperlinks contained in the web page 101 and to provide to a user, via the web browser
100, an annotated web page 110, which preferably includes the web page 101 having alongside it images 112 of homepages linked with web page 101.
Reference is now made to Fig. 2, which is a simplified partially pictorial, partially block diagram illustration of a system and methodology for displaying information received over the Internet in accordance with another preferred embodiment of the present invention. As seen in Fig. 2, a web browser 200, typically resident on a PC, such as a Dell Dimension L733 running Microsoft Windows 98, interfaces, typically via the Internet, with a web server 202, such as a Dell Power Edge 2450 running Apache 1.3.12 on an OpenBSD 2.7 operating system. The web server 202 interfaces with a dynamic page generator 204, such as a
P.H.P. 4.0.2, in which is preferably installed a visualization functionality 206, which is described hereinbelow in greater detail. The dynamic page generator 204 interfaces with a database 208, such as a Dell Power Edge 2450 running MySQL 3.23.25 on an OpenBSD 2.7 operating system.
The web browser 200 preferably interfaces with an image server 210, such as a Dell Power Edge 2450 running Apache 1.3.12 on an OpenBSD 2.7 operating system. The image server 210 interfaces with an image database 212, which is preferably a Dell Power Edge 2450 running MySQL 3.23.25 on an OpenBSD 2.7 operating system, which is preferably loaded by using functionality of the type described hereinbelow with reference to Fig. 7.
The visualization functionality 206 is operative to embed within a dynamically generated web page, such as an HTML page, commands to the web browser 200 to download via the image server 210 from the image database 212 images of web pages which are referenced in hyperlinks contained in a web page 213 and to provide to a . user, via the web browser 200, the web page 213 annotated to include therewithin images 216 of homepages linked therewith.
It is appreciated that either or both of the embodiments of Figs. 1 and 2 may provide images of web pages which are referenced in hyperlinks contained in a web page either alongside or within that web page. It is also appreciated that either or both of the embodiments Figs. 1 and 2 may provide images of web pages which are referenced in hyperlinks contained in a web page, which images hover either over or alongside the hyperlinks. It is appreciated that the visual image of another web page may function as a hyperlink. Reference is now made to Fig. 3, which is a simplified flow chart of part of visualization functionality employed in the system and methodology of Fig. 1. The flow chart of Fig. 3 illustrates generation of a list of hyperlinks from a web page, such as web page 101 in the embodiment of Fig. 1 received from a web server 102.
As each link is extracted from web page 101, an examination is made in order to eliminate links which refer back to web server 102 and to determine whether redirection links are present. This is typically done by searching for the presence of a string "http://" encoded in the URL, which characterizes a redirection link. In the case of links, which appear to be redirection links, only the ultimate destination is listed In the case of links which do not appear to be redirection links, the links themselves are listed. The resulting list is employed as an input to the functionality of Fig. 4.
In the illustrated embodiment of Fig. 3, all of the hyperlinks are processed. Alternatively, not all of the hyperlinks need be processed. In such a case, a user may decide which hyperlinks to process.
Reference is now made to Fig. 4, which is a simplified flow chart of visualization functionality employed in accordance with a preferred embodiment of the present invention. As seen in Fig. 4, a list of hyperlinks is received. This list may be derived from a web page such as web page 101 in the embodiment of Fig. 1 using the functionality of Fig. 3 or may be provided by dynamic page generator 204 and obtained via database 208 in the embodiment of Fig. 2.
If hyperlinks are present, the URL of each hyperlink is split into URL components. For example, if the URL of a hyperlink appears as follows:
http://www.microsoft.com:80/windows2000/upgrade/compat/search/ comρuters.asp?ρage*=2&send=l&Order=Sort+by+Comρany&CN=Dell&PN=&PT=
The components thereof include the following:
Scheme: http
Host: www.microsoft.com
Port: 80
Path: /windows2000/upgrade/compat/search/computers. asp
Query: page=2&send=l &Order=Sort+by+Comρany&CN=Dell&PN=&PT=
The path component may be trimmed based on the consideration of finding the most representative image of a given web page. A flow chart illustrating a preferred algorithm for making this determination appears in Fig. 5 and is described hereinbelow. Thus, in the above example, the trimmed path component appears as follows:
Λvindows2000/upgrade
Following any trimming of the path component, a new URL is constructed from the scheme, host, port and trimmed path components. This URL is employed for outputting an http query to an image server, such as image server 104 in the embodiment of Fig. 1 or 210 in the embodiment of Fig. 2. A preferred form of http query in the above example appears as follows:
http ://wb 1. girafa. com/srv/i? u=http;//www.microsoft.com%2fwindows2000%2fupgrade
Reference is now made to Fig. 5, which is a simplified flow chart of path component trimming functionality employed in the embodiment of Fig. 4. As seen in Fig. 5, the path component trimming functionality comprises receipt of the URL components after splitting thereof, as described hereinabove with reference to the flowchart of Fig. 4. Information from the host component of the URL is employed in trimming of the path component of the URL. Each path component comprises a plurality of path segments.
If the last path segment in a path component is a file name, this path segment is removed. Determination whether a path component is a file name is typically carried out by examining the suffix thereof to determine whether it is a known suffix representing a file name.
If the first path segment starts with a "~", which typically designates a home directory in a Unix system, the path component is trimmed after that first path segment. If the host is not www.geocities.com, the path component is trimmed after the second path segment. If the host is www.geocities.com and any of the first three path segments consists of 4 digits, the path component is trimmed after the first segment that consists of 4 digits. If the host is www.geocities.com and none of the first three path segments consists of 4 digits, the path component is trimmed after the second segment.
Reference is now made to Fig. 6, which is a simplified block diagram illustration of a system for generating an image database useful in the system and methodology of Figs. 1 and 2. As seen in Fig. 6, a controller 600 receives a list 602 of homepages, the images of which it is desired to download into an image database 604, such as image database 106 in the embodiment of Fig. 1 or image database 212 in the embodiment of Fig. 2.
The controller 600 operates a multiplicity of downloaders 606 simultaneously by supplying to each downloader one URL at a time. Each downloader 606 retrieves from the Internet, the homepage and the embedded objects corresponding to the URL supplied to it by the controller 600 and deletes therefrom executable block content. The resulting output of the downloaders 606 is supplied to a web server 608 via a database 610. Each downloader 606 establishes a connection with one of a plurality of thumbnail generators 612 via a broker 614. Once this connection has been established, a URL of a locally stored copy of a downloaded homepage, which is stored in database 610, is sent to the thumbnail generator 612 with which the connection has been established. - - --' Each thumbnail generator 612 operates a corresponding web browser 616 to download via web server 608 the locally stored copy of the homepage, which is stored in database 610. The thumbnail generators 612 each receive a rendered image of the homepage from a corresponding web browser 616 and shrink it and supply it to the downloader 606 -with which the connection has been established. It is appreciated that normally the number of downloaders exceeds the number of thumbnail generators by at least an order of magnitude. The broker 614 coordinates interaction between a thumbnail generator and a downloader.
Reference is now made to Fig. 7. which is a flow chart illustrating operation of a controller forming part of the system of Fig. 6. A list of homepages is received from database 602 (Fig. 6). Each homepage is taken from the list and downloaded by a downloader 606 "(Fig. 6). The functionality of Fig. 7 ensures that a predetermined number of downloaders operate simultaneously, so long as the list of undownloaded homepages is sufficiently long.
Reference is now made to Fig. 8, which is a flow chart illustrating operation of a downloader forming part of the system of Fig. 6. As seen in Fig. 8, each downloader maintains a download queue for the homepage which the downloader is currently downloading. The download queue includes a list of URLs of objects in the homepage as well as the homepage object that require downloading in order to provide a local copy of the homepage.
For each URL in the download queue, an inquiry is made whether a local copy of the object corresponding thereto already exists. If so, a link to that local copy is created. If not, an attempt is made to download the object. If upon attempting to download the object, the downloader is informed that the object is located on another
URL, i.e. by the receipt of redirection reply, that URL is placed in the download queue.
If, the download is successful, the downloaded object is stored in database 610 (Fig. 6) as a local copy. If the downloaded object is an HTML page, then the HTML page is processed, preferably by an algorithm of the type described hereinbelow in Fig. 9.
When the download queue is empty, a connection is established with thumbnail generator 612 (Fig. 6) via broker 614 (Fig. 6). The URL of the local copy of the homepage object is sent to the thumbnail generator 612 and a thumbnail image of the homepage is generated hereby. This thumbnail image is stored in image database 604
(Fig. 6).
Reference is now made to Fig. 9, which is a flow chart illustrating operation of a process HTML algorithm employed in the downloader of Fig. 8. The HTML object which is downloaded is scanned, the executable content thereof is eliminated and embedded objects therein are recognized.
For each embedded object a decision is made whether to download it. This decision is made based on the nature of the embedded object and the nature of the reference thereto. Generally, images and HTML objects are downloaded.
URLs of objects to be downloaded are placed in the download queue referred to hereinabove in connection with Fig. 8 and the HTML object is modified to refer to the local copies of the objects to be downloaded. References to objects not to be downloaded are eliminated from the HTML object. Reference is now made to Fig. 10, which is a flow chart illustrating operation of a thumbnail generator, such as thumbnail generator 612, forming part of the system of Fig. 6. Initially, the thumbnail generator initializes a web browser functionality 616 (Fig. 6). When a connection is established to the thumbnail generator 612 from a downloader 606 (Fig. 6) via a broker 614 (Fig. 6), the thumbnail generator 612 receives the URL of the local copy of the homepage.
The web browser navigates to that URL and renders the homepage. A snapshot of the homepage is taken, typically in bitmap form. This snapshot is resized to a desired thumbnail size and is then transmitted via the downloader 606 for storage in image database 604.
Reference is now made to Fig. 11, which is a flow chart illustrating operation of a broker, such as broker 614, forming part of the system of Fig. 6. The broker receives connection requests from both thumbnail generators 612 (Fig. 6) and downloaders 606
(Fig. 6). When simultaneous requests are pending from both a thumbnail generator and a downloader, the broker establishes a direct connection therebetween. When there exists a surplus of connection requests from either thumbnail generators 612 or downloaders 606, queues of such connection requests may be maintained by the broker.
It will be appreciated by persons skilled in the art that the present invention is not limited by what has been particularly shown and described hereinabove. Rather the scope of the present invention includes both combinations and subcombinations of the various features described hereinabove as well as variations and modifications which would occur to persons skilled in the art upon reading the specification and which are not in the prior art.

Claims

C L AIM S
1. A method for presenting Internet information to a user comprising: providing to a user a visual image of a web page containing at least one hyperlink; and at least partially concurrently providing a visual image of another web page of at least one web site which is represented by said at least one hyperlink.
2. A method according to claim 1 and wherein the visual image of said another web page is displayed alongside the visual image of said web page.
3. A method according to claim 1 and wherein the visual image of said another web page is displayed within the visual image of said web page.
4. A method according to any of claims 1 to 3 and wherein visual images of a plurality of other web pages represented by at least one hyperlink are displayed simultaneously along with said visual image of a web page containing at least one hyperlink.
5. A method according to any of claims 1 to 4 and wherein said web page comprises an HTML page.
6. A method according to any of claims 1 to 5 arid wherein providing a visual image of another web page comprises: employing a web browser including visualization functionality which interfaces via the Internet with an image server.
7. A method according to claim 6 and wherein said visualization functionality is operative to download via the image server from an image database images of web pages which are referenced in hyperlinks contained in the web page and to provide to a user, via the web browser, an annotated web page.
8. A method according to claim 7 and wherein said annotated web page includes the web page having alongside it images of homepages linked with the web page.
9. A method according to any of claims 1 to 5 and wherein providing a visual image of another web page comprises: employing a web browser which interfaces via the Internet with a web server including visualization functionality.
10. A method according to claim 9 and wherein said visualization functionality is operative to embed commands to the web browser to download, via an image server, images of web pages which are referenced in hyperlinks contained in the web page and to provide to a user, via the web browser, an annotated web page.
11. A method according to claim 10 and wherein said annotated web page includes the web page having within it images of homepages linked with the web page.
12. A method according to claim 6 and wherein said visualization functionality comprises: generation of a list of hyperlinks from a web page; elimination of links which refer back to a web server sending said web page; determination of whether redirection links are present and if so, visualizing an ultimate destination thereof; and visualizing remaining hyperlinks.
13. A method according to claim 6 and wherein said visualization functionality comprises: receiving a list of hyperlinks; splitting a URL of each hyperlink into URL components including at least a path component and a host component; trimming a path component based on the consideration of finding the most representative image of a given web page; and constructing a new URL including a trimmed path component.
14. A method for generating a web page image database, the method comprising: receiving a list of URLs corresponding to web pages, the images of which it is desired to download into an image database; operating a multiplicity of downloaders simultaneously by supplying to each downloader one URL at a time. causing each downloader to retrieve from the Internet, a web page and embedded objects corresponding to the URL supplied to it; causing a thumbnail generator to render the web page; and causing said thumbnail generator to shrink said rendered image of the web page and supply it to the downloader.
15. A method according to claim 14 also comprising deleting executable content from the web page.
16. A method according to claim 14 or claim 15 and wherein causing each downloader to retrieve from the Internet, a web page and embedded objects corresponding to the URL supplied to it and causing a thumbnail generator to operate a corresponding web browser to render the web page employ a locally stored copy of said web page and said embedded objects.
17. A method according to any of claims 14 to 16 and wherein a web server is employed for providing said locally stored copy of said web page and of said embedded objects to said web browser.
18. A method according to claim 1 and wherein said visual image of another web page appears hovering over said hyperlink.
19. A method according to claim 2 and wherein said visual image of another web page appears hovering over said hyperlink.
20. A method according to claim 3 and wherein said visual image of another web page appears hovering over said hyperlink.
21. A system for presenting Internet information to a user comprising: first functionality providing to a user a visual image of a web page containing at least one hyperlink; and second functionality operative at least partially concurrently with said first functionality for providing a visual image of another web page of at least one web site which is represented by said at least one hyperlink.
22. A system according to claim 21 and wherein the visual image of said another web page is displayed alongside the visual image of said web page.
23. A system according to claim 21 and wherein the visual image of said another web page is displayed within the visual image of said web page.
24. A system according to any of claims 21 to 23 and wherein visual images of a plurality of other web pages represented by at least one hyperlink are displayed simultaneously along with said visual image of a web page containing at least one hyperlink.
25. A system according to any of claims 21 to 24 and wherein said web page comprises an HTML page.
26. A system according to any of claims 21 to 25 and wherein said second functionality comprises third functionality employing a web browser including visualization functionality which interfaces via the Internet with an image server.
27. A system according to claim 26 and wherein said visualization functionality is operative to download via the image server from an image database images of web pages which are referenced in hyperlinks contained in the web page and to provide to a user, via the web browser, an annotated web page.
28. A system according to claim 27 and wherein said annotated web page includes the web page having alongside it images of homepages linked with the web page.
29. A system according to any of claims 21 to 26 and wherein said second functionality comprises fourth functionality employing a web browser which interfaces via the Internet with a web server including visualization functionality.
30. A system according to claim 29 and wherein said visualization functionality is operative to embed commands to the web browser to download, via an image server, images of web pages which are referenced in hyperlinks contained in the web page and to provide to a user, via the web browser, an annotated web page.
31. A system according to claim 30 and wherein said annotated web page includes the web page having within it images of homepages linked with the web page.
32. A system according to claim 26 and wherein said visualization functionality comprises: generation of a list of hyperlinks from a web page; elimination of links which refer back to a web server sending said web page; determination of whether redirection links are present and if so, visualizing an ultimate destination thereof; and visualizing remaining hyperlinks.
33. A system according to claim 26 and wherein said visualization functionality comprises: receiving a list of hyperlinks; splitting a URL of each hyperlink into URL components including at least a path component and a host component; trimming a path component based on the consideration of finding the most representative image of a given web page; and constructing a new URL including a trimmed path component.
34. A system for generating a web page image database, the system comprising: at least one downloader receiving one URL at a time and retrieving from the Internet a web page and embedded objects corresponding to the URL received by it; and at least one thumbnail generator operative to render the web page, shrink said rendered image of the web page and supply said rendered image to the downloader.
35. A system according to claim 34 and wherein said at least one downloader is operative to delete executable content from the web page.
36. A system according to claim 34 or claim 35 and wherein each downloader retrieves from the Internet, a web page and embedded objects corresponding to the URL received by it and locally stores a copy of said web page and said embedded objects and causes said thumbnail generator to render the web page by employing said locally stored copy of said web page and said embedded objects.
37. A system according to any of claims 34 to 36 and also comprising a web server providing said locally stored copy of said web page and of said embedded objects.
38. A system according to claim 21 and wherein said visual image of another web page appears hovering over said hyperlink.
39. A system according to claim 22 and wherein said visual image of another web page appears hovering over said hyperlink.
40. A system according to claim 23 and wherein said visual image of another web page appears hovering over said hyperlink.
EP01983756A 2000-11-08 2001-11-06 A framework for providing visual context to www hyperlinks Ceased EP1354257A4 (en)

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