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WO2001042989A2 - Personnalisation d'un contenu de sortie fondee sur le type de support d'information - Google Patents

Personnalisation d'un contenu de sortie fondee sur le type de support d'information Download PDF

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Publication number
WO2001042989A2
WO2001042989A2 PCT/US2000/042487 US0042487W WO0142989A2 WO 2001042989 A2 WO2001042989 A2 WO 2001042989A2 US 0042487 W US0042487 W US 0042487W WO 0142989 A2 WO0142989 A2 WO 0142989A2
Authority
WO
WIPO (PCT)
Prior art keywords
content
xsl
destination device
request
type
Prior art date
Application number
PCT/US2000/042487
Other languages
English (en)
Other versions
WO2001042989A3 (fr
Inventor
Barry Briggs
Original Assignee
Broadvision 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
Application filed by Broadvision Inc. filed Critical Broadvision Inc.
Priority to AU45134/01A priority Critical patent/AU4513401A/en
Priority to EP00992592A priority patent/EP1384165A2/fr
Publication of WO2001042989A2 publication Critical patent/WO2001042989A2/fr
Publication of WO2001042989A3 publication Critical patent/WO2001042989A3/fr

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
    • G06F16/9577—Optimising the visualization of content, e.g. distillation of HTML documents

Definitions

  • the present invention relates generally to data processing systems and more particularly to the customization of output content based on device type.
  • the personal computer system includes a web browser that provides a user interface to the user.
  • the user may specify a uniform resource locator (URL) for a web site or may conduct a search and then click on a hyperlink returned in the search results to gain access to a web site that contains content.
  • Content has typically been returned to the personal computer as hypertext markup language (HTML) files.
  • the web browser contains an interpreter for interpreting the HTML files and displaying the contents of the HTML files in a web browser window.
  • PDA Personal digital assistants
  • Palm 7 PDA from 3Com Corporation
  • cellular phones have been recently introduced that allow a user to gain access to web sites.
  • Intelligent pagers and Electronic books have been introduced for gaining access to web sites on the Internet.
  • the present invention addresses the above-described limitations of conventional systems by enabling content, such as from a web site, to be custom formatted based upon the device type of the device to which the content is to be output.
  • content such as from a web site
  • the web page may be formatted to include significantly less content than if the web page is to be output to a personal computer system.
  • Content may also be formatted differently to account for the different characteristics of the destination device to which the content is to be output.
  • stylesheets encoded in the extensible stylesheet language (XSL) are used to transform extensible markup language (XML) content into a customized format suitable for the destination device.
  • Intelligence is provided for determining the device type of the destination device based on a request for content that is received.
  • a method of customizing output of content based on a device type of destination device is performed in an electronic device.
  • the device type of the destination device is identified.
  • the format of the content is customized based on the identified device type of the destination device.
  • the content is then output to the destination device in the format as customized.
  • a stylesheet may be used to perform the customization.
  • the destination device may be a number of different type of devices, including a phone, a PDA, a personal computer, a pager, an electronic book or other type of information appliance.
  • each stylesheet is associated with a different device type.
  • a request for content is received from a selected device of a selected device type.
  • a given one of the stylesheets that is associated with the selected device type and the given content is applied to the content to properly format the content.
  • the content as formatted by the given one of the stylesheets is forwarded to the selected device.
  • the method may also include the additional step of examining information contained in the request for content to determine that the selected device is of the selected device type.
  • FIGURE 1 is a block diagram illustrating an environment that is suitable from practicing the illustrative embodiment of the present invention.
  • FIGURE 2 is a flow chart providing an overview of the steps that are performed to customize the format of output content in the illustrative embodiment.
  • FIGURE 3 is a block diagram illustrating how stylesheets are applied to XML content to produce the customized output.
  • FIGURE 4 is a flow chart illustrating the steps that are performed to determine the device type of a destination device by accessing information in an HTTP header.
  • FIGURE 5 is a flow chart illustrating the steps that are performed to determine device type based upon a received URL.
  • FIGURE 6 illustrates an example of output produced on a personal computer system after a stylesheet is applied to customize the format.
  • FIGURE 7 depicts the output at a cellular phone after a stylesheet has been applied to customize the format of the output.
  • the illustrative embodiment of the present invention provides a mechanism for customizing the format of content based upon device type of a destination device.
  • Destination devices of different types may request the same content but receive differently formatted output content.
  • a personal computer system may received differently formatted content than a cellular phone or a personal digital assistant (PDA).
  • PDA personal digital assistant
  • the illustrative embodiment performs such custom formatting without the need for input from the requesting party at the destination device and with minimal overhead. As a result, the output received at the destination device is of better quality and better suited for the device type of the destination device.
  • the illustrative embodiment may be implemented on a server computer system, such as a web application server.
  • the illustrative embodiment When a request for content is received at the server, the illustrative embodiment identifies the device type of the destination device that is requesting the content. This may be determined by examining information in the request, or applying other heuristics. Once the device type of the destination device is known, the illustrative embodiment may retrieve the content and apply an XSL stylesheet to the content to transform the content into the customized format. For purposes of the discussion below, it is presumed that the content is encoded in XML, although those skilled in the art will appreciate that the content may also be encoded in different formats in practicing the present invention. After the content is transformed into the customized format, the content is returned to the destination device that requested the content.
  • XSL refers to the extensible stylesheet language specification established by the World Wide Web Consortium on April 21 , 1998.
  • XSL is a language for expressing stylesheets.
  • XSL contains a language for transforming XML document and an XML vocabulary for specifying formatting semantics.
  • An XSL stylesheet specifies the presentation of a class of XML documents by describing how an instance of the class is transformed into an XML document that uses the formatting vocabulary.
  • XML refers to extensible markup language version 1.0 as established by the World Wide Web Consortium.
  • stylesheet refers to an XSL stylesheet or other suitable mechanism for transforming content into a specified style.
  • Content refers to subject matter that may be forwarded from a source to a remote destination.
  • Content may include audio content, graphical content, textual content and/or video content.
  • Decorated type refers to a category of device that has an associated stylesheet, such as personal computer, pager, phone, electronic book, or PDA.
  • Figure 1 depicts an environment 10 that is suitable for practicing the illustrative embodiment of the present invention.
  • Those skilled in the art will appreciate the configurations shown in Figure are intended to be merely illustrative and not limiting of the present invention. The present invention may also be practiced in other environments that have different configurations.
  • the environment 10 depicted in Figure 1 includes a number of content sources, including word processing documents 14, such as documents encoded in the Microsoft Word processing application.
  • the content sources also include XML produced by an XML editor 16 and hypertext markup language (HTML) documents produced by an HTML editor 18.
  • HTML documents may be specified in HTML version 4.0 as defined by the World Wide Web Consortium on April 24, 1998 or in earlier version of HTML.
  • the content sources may also include a database 20 for providing content.
  • the content sources 14, 16, 18 and 20 may be managed by a server 22 that includes a content management database service 24 and a publishing engine 26.
  • the content management database 24 and the publishing engine 26 may work in conjunction to translate the content into a standardized format, such as XML.
  • the resulting XML may be stored on XML aware database 28.
  • the publishing engine 26 is then able to publish the XML content for access by remote users.
  • the content management database 24 and the publishing engine 26 may be implemented by the Interleaf BladeRunner package sold by Interleaf, Inc. of Waltham, Massachusetts.
  • the multiple content sources 14, 16, 18 and 20, the content management database 24 and the publishing engine 26 are not necessary for practicing the present invention but rather may be replaced by other components that provide XML content or content in a suitable intermediate format.
  • a server 30 includes a processor 32, such as a conventional microprocessor and a storage 34.
  • the storage 34 may include both primary storage and secondary storage.
  • the storage 34 may include removable media, such as optical disks or magnetic disks.
  • the storage 34 holds the web application server 36.
  • the web application server allows application programs to interface with the server 30 to gain access to content that perform other tasks.
  • the storage 34 also includes a format customization facility 38 that is responsible for customizing the formatted content that is requested by destination devices.
  • a format customization facility is a software facility uses stylesheets 40 that are encoded in XSL in the illustrative embodiment.
  • the storage 34 also holds a copy of a device type identification facility 42 (implemented in software) that identifies the device types of the destination devices.
  • the web application server 36, the format customization facility 38 and the device type identification facility 42 are all executed by the processor 32.
  • the server 30 has access to a database 44 that may hold content, such as XML documents.
  • the server 30 may also have access to raw content 46 that is not stored in a database.
  • the raw content 46 may be files from a file system or other non-database content.
  • a number of different types of destination device may request content from the server 30.
  • the destination device may be an Internet appliance 49 that facilitates Internet access, a set top box 51 (such as used in WebTV), a PDA 52, a cellular phone 54, a pager 56, a computer system (such as a personal computer) 58, an electronic book 60, or another type of information appliance 62.
  • the destination devices 52, 54, 56, 58, 60 and 62 may access the server 30 over a network 50, such as a computer network or other telecommunications network.
  • the network 50 may be the Internet, an intranet, an extranet, a computer network that supports the TCP/IP protocol suite, or other type of computer network.
  • FIG 2 provides a flow chart that depicts an overview of the steps that are performed to generate customized format output content in the illustrative embodiment.
  • the server 30 receives a hypertext transfer protocol (HTTP) request from one of the destination device 52, 54, 56, 58, 60, or 62 over the network 50 (step 70 in Figure 2).
  • the device type identification facility 42 examines the request and determines the device type of the destination device (step 72 in Figure 2).
  • Figure 4 shows an example wherein the device type is determined by the device type identification facility by examining information contained within the header of the HTTP packet that is received in the request.
  • the HTTP request is received (step 86 in Figure 4).
  • the header in the HTTP request is the examined (step 88 in Figure 4).
  • the HTTP header contains a User- Agent field that contains information about the User-Agent originating the request.
  • the information contained in this field is then extracted by the device type identification facility 42 (step 90 in Figure 4).
  • the extracted information is used as an index to a lookup table to determine the device type (step 92 in Figure 4). For example, if the information extracted from the header indicates that the User- Agent is for a PDA, this information may be used to identify the device type as a PDA.
  • an HTTP request message that is received as the server 30 does not contain information in the User-Agent field. For example, with a PDA, an application may be developed on the PDA for a user to request a stock quotation.
  • the application packages up the stock symbol and a request that is directed to a URL for a quotation service provider.
  • This URL identifies the type of device is a PDA because only the PDAs exhibit this unique behavior.
  • the URL contained within a request may be used to determine the device type.
  • the request is received from an application (step 94 in Figure 5) and the URL within the request is examined (step 96 in Figure 5). The URL is then used to determine the device type (step 98 in Figure 5).
  • the requested content may be retrieved (step 74 in Figure 2).
  • This content may be retrieved by submitting a request to the server 22, by accessing the database 44 or even by accessing the raw content 46. From the illustrative embodiment, it is presumed that the content is encoded in XML.
  • the device type is then used to apply a stylesheet based upon the stylesheet that is adopted for the data type definition of the retrieved content.
  • the stylesheet is then applied to the content (step 76 in Figure 2).
  • the stylesheet customizes the content as output to that it may be sent onto the destination device.
  • the customized content is then forwarded to the destination device (step 78 in Figure 2).
  • Figure 3 depicts an example illustrating how the electronic content 79 encoded XML is transformed by respective stylesheets 80, 81, 82 and 83 for delivery to respective destination devices 84, 85, 86 and 87.
  • the stylesheet 80 is customized for a personal computer 84.
  • the stylesheet 81 is customized for a pager 85.
  • the stylesheet 82 is customized for a cellular phone 86 and the stylesheet 83 is customized for a PDA
  • content is to be sent to different destination devices and suppose that the content is a weather report.
  • the weather report has a data type definition that is defined as follows:
  • a stylesheet is defined for this weather report DTD for a personal computer.
  • the XSL stylesheet is defined as follows:
  • ⁇ TDXFONT face "A ⁇ al, Helvetica, Chicago, Sans
  • a different stylesheet is defined for a cellular phone.
  • the stylesheet for the cellular phone is defined as follows:
  • This stylesheet for a cellular phone converts the XML content into web site meta language (WML) format for output on a cellular phone.
  • WML web site meta language
  • the resulting display can be seen in Figure 7 where a cellular phone 102 includes a display 104.
  • the display 104 contains weather information and identifies the city (i.e. "Boston) and that the weather is overcast with an expectation of rain and a high temperature of 74 degrees.
  • the stylesheets may customize the audio content. For example, listed below is a stylesheet for converting audio content for the weather report.
  • the output format produced by applying the stylesheet is VoxML (a dialect of XML).

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  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Transfer Between Computers (AREA)
  • Stored Programmes (AREA)

Abstract

L'invention concerne un dispositif qui fournit la fonctionnalité permettant de personnaliser un contenu de sortie sur la base du type de support d'information de destination. Il en résulte que différents supports de destination demandant un même contenu de sortie peuvent recevoir celui-ci dans des formats distincts. Le dispositif peut être mis en oeuvre sous forme de logiciel et exécuté dans un serveur, tel qu'un serveur d'application Web. Le dispositif comprend une fonctionnalité qui sert à identifier le type d'un support d'information demandant un contenu. Le dispositif peut en outre produire une feuille de style ou autre fonctionnalité permettant de personnaliser des formats selon le type de support d'information.
PCT/US2000/042487 1999-11-30 2000-11-30 Personnalisation d'un contenu de sortie fondee sur le type de support d'information WO2001042989A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU45134/01A AU4513401A (en) 1999-11-30 2000-11-30 Customization of output content based on device type
EP00992592A EP1384165A2 (fr) 1999-11-30 2000-11-30 Personnalisation d'un contenu de sortie fondee sur le type de support d'information

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45174499A 1999-11-30 1999-11-30
US09/451,744 1999-11-30

Publications (2)

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WO2001042989A2 true WO2001042989A2 (fr) 2001-06-14
WO2001042989A3 WO2001042989A3 (fr) 2003-12-04

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EP (1) EP1384165A2 (fr)
AU (1) AU4513401A (fr)
WO (1) WO2001042989A2 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2376767A (en) * 2001-06-22 2002-12-24 Hewlett Packard Co Portal to allow access to web pages using different formats
EP1306777A2 (fr) * 2001-10-26 2003-05-02 Nec Corporation Système de conversion de contenu, procédé automatique de sélection de feuilles de style et son programme
EP1385312A2 (fr) * 2002-07-22 2004-01-28 Ricoh Company Dispositif et méthode de traitement d'information
KR100834196B1 (ko) * 2004-10-21 2008-05-30 캐논 가부시끼가이샤 전자 파일링 시스템 및 전자 파일링 방법
EP2251801A3 (fr) * 2009-05-13 2010-12-29 Huawei Technologies Co., Ltd. Procédé, terminal et serveur pour transcoder des données
GB2483655A (en) * 2010-09-14 2012-03-21 Thunderhead Ltd Device capability modelling and automatic content assembly
US20120136934A1 (en) * 2010-11-30 2012-05-31 Sony Corporation Device, server, and method for sharing deep links over social network
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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2376767A (en) * 2001-06-22 2002-12-24 Hewlett Packard Co Portal to allow access to web pages using different formats
GB2376767B (en) * 2001-06-22 2004-12-22 Hewlett Packard Co Distributed content indexing and content aggregating portals
EP1306777A2 (fr) * 2001-10-26 2003-05-02 Nec Corporation Système de conversion de contenu, procédé automatique de sélection de feuilles de style et son programme
EP1306777A3 (fr) * 2001-10-26 2005-11-09 Nec Corporation Système de conversion de contenu, procédé automatique de sélection de feuilles de style et son programme
US10462247B2 (en) * 2002-04-17 2019-10-29 At&T Intellectual Property I, L.P. Web content customization via adaptation web services
US20160373541A1 (en) * 2002-04-17 2016-12-22 At&T Intellectual Property I, L.P. Web content customization via adaptation web services
US7373347B2 (en) * 2002-07-22 2008-05-13 Ricoh Company, Ltd. Information processing apparatus and information processing method
US8005808B2 (en) 2002-07-22 2011-08-23 Ricoh Company, Ltd. Information processing apparatus and information processing method
EP1936919A3 (fr) * 2002-07-22 2012-04-18 Ricoh Company, Ltd. Appareil et procédé de traitement d'informations
EP1385312A3 (fr) * 2002-07-22 2005-03-02 Ricoh Company, Ltd. Dispositif et méthode de traitement d'information
EP1385312A2 (fr) * 2002-07-22 2004-01-28 Ricoh Company Dispositif et méthode de traitement d'information
KR100834196B1 (ko) * 2004-10-21 2008-05-30 캐논 가부시끼가이샤 전자 파일링 시스템 및 전자 파일링 방법
EP2251801A3 (fr) * 2009-05-13 2010-12-29 Huawei Technologies Co., Ltd. Procédé, terminal et serveur pour transcoder des données
GB2483655A (en) * 2010-09-14 2012-03-21 Thunderhead Ltd Device capability modelling and automatic content assembly
US20120136934A1 (en) * 2010-11-30 2012-05-31 Sony Corporation Device, server, and method for sharing deep links over social network

Also Published As

Publication number Publication date
EP1384165A2 (fr) 2004-01-28
AU4513401A (en) 2001-06-18
WO2001042989A3 (fr) 2003-12-04

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