WO2002029590A1 - Method and apparatus for transforming contents on the web - Google Patents
Method and apparatus for transforming contents on the web Download PDFInfo
- Publication number
- WO2002029590A1 WO2002029590A1 PCT/US2001/030691 US0130691W WO0229590A1 WO 2002029590 A1 WO2002029590 A1 WO 2002029590A1 US 0130691 W US0130691 W US 0130691W WO 0229590 A1 WO0229590 A1 WO 0229590A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- contents
- web contents
- semantic analysis
- web
- information
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 19
- 230000001131 transforming effect Effects 0.000 title claims description 9
- 230000009466 transformation Effects 0.000 claims abstract description 44
- 238000004458 analytical method Methods 0.000 claims abstract description 40
- 238000004891 communication Methods 0.000 claims description 10
- 230000000875 corresponding effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000011426 transformation method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/04—Protocols specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/2866—Architectures; Arrangements
- H04L67/30—Profiles
- H04L67/303—Terminal profiles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
- H04L67/5651—Reducing the amount or size of exchanged application data
Definitions
- the present invention relates to a method for providing document contents by a Web server. More particularly, it relates to a method and an apparatus in which, in providing Web contents to a client (or browser) , a document is appropriately transformed on the basis of the results of the semantic analysis of the contents.
- the Internet which is the network of computers distributed all over the world, has its importance and effectiveness recognized extensively as a medium through which a plurality of computers are able to communicate with one another .
- the World Wide Web which is constructed of a plurality of server computers (Web servers) connected to the Internet and storing contents information (Web pages) therein, and a multiplicity of clients for accessing the information, is an information providing service on the Internet as has been most highlighted in recent years.
- the service can provide and exchange, not only text information, but also graphics and image information, audio and video information, etc.
- intranets which are the private computer networks of enterprises, can easily provide and share information within the enterprises by way of example and are in widespread use .
- FIG. 1 A prior-art example for coping with these problems is schematically shown in Fig. 1.
- Web contents are transformed in conformity with the properties of a device which is used for access.
- a color image of large size has its size reduced and is transformed into a black- and-white image of low resolution as stated in Japanese Patents Laid-OpenNo.345178/1999, No.122958/2000, No.222275/2000 and No. 222276/2000.
- document contents are subjected to such processing as the alteration of the font or font size of a text, or the division of the contents into parts of smaller size each of which can be displayed on the display panel of the mobile device. Nevertheless, drawbacks to be mentioned below are pointed out .
- the present invention has for its object to transform Web contents so that a more efficient access facility can be provided to the user of a mobile terminal device, in addition to the facilitation of the display of the contents on the display panel of the mobile device.
- Another object of the present invention is to transform Web contents so that a navigation mechanism can be realized which has hyperlinks permitting a client to readily judge whether or not the contents are necessary for him/her, without going through all the contents, and permitting the client to immediately move to a place that seems to be important within the contents.
- Still another object of the present invention is to transform Web contents so that a facility which permits a client to browse information by the least access (communication) similarly to the above can be provided, not only for the contents composed of a single document, but also for the enormous contents composed of a plurality of documents.
- the requested Web contents are analyzed, and editorial information as well as formal paragraph information is extracted. These information together with the requested contents are linked to corresponding semantic analysis results.
- a semantic analysis program is executed for the requested Web contents so as to extract keywords, key sentences and/or key paragraphs from the Web contents . Also, the summary of the contents is created. These semantic information items obtained are saved as the semantic analysis results. Subsequently, the requested document contents are appropriately transformed on the basis of the semantic information contained in the retrieved semantic analysis results, and in accordance with the requests of a client or the attributes of the terminal device.
- the processing of the transformation includes the creation of a top page which is formed of the title and other editorial information of the document, and menu information, the creation of a summary page, the creation of the lists of keywords, key sentences etc. and links to places where the keywords etc. appear, and the creation of the hyperlinks among the created pages.
- the Web contents are displayed on the terminal device interactively in compliance with the requests of the client.
- Fig. 1 is a block diagram showing an information access system in the prior art
- Fig. 2 is a block diagram showing the architecture of an apparatus according to the present invention.
- Fig.3 is a flow chart showing an embodiment of the present invention.
- Fig. 4 is a diagram showing an example of the list of keywords in the present invention.
- Fig. 5 is a diagram showing the logical structure of a transformation description object.
- Fig. 6 is a diagram for explaining user operations in the present invention. PREFERRED EMBODIMENTS OF THE INVENTION:
- a block diagram of an information access system for performing the present invention is shown in Fig.2.
- a contents transformation system 10 physically lies between a client device or terminal device 20 and Web contents 40 which a client searches for, and it functions as the interface between them.
- the contents transformation system 10 may well exist within a server computer 30.
- the server computer 30 When the server computer 30 has received a request for access to Web contents 40 desired by the client, from the terminal device 20 connected through a communication network such as the Internet, the transformation system 10 accesses the Web contents 40 and a semantic analysis results 50 corresponding to the Web contents 40.
- the "semantic analysis results 50" signify results which are obtained by extracting and analyzing semantic information contained in the Web contents 40 and are stored, and which can be generated beforehand by executing a semantic analysis program for the Web contents 40. In the absence of such semantic analysis results when the server computer 30 has received a request for access to Web contents 40, the semantic analysis program is executed to generate the semantic analysis results 50.
- the transformation system 10 uses a Web contents analyzer 120 and a semantic analysis results analyzer 130, the transformation system 10 generates a transformation description object 110 by employing the elements of the Web contents 40 requested by the client and the elements of the corresponding semantic analysis results 50.
- the transformation description object 110 contains information on the links between the lists of the elements contained in the Web contents 40 and the semantic analysis results 50, and Web contents corresponding to the elements.
- the transformation system 10 searches for information desired by the client, in conformity with the properties of the terminal device 20 possessed by the client or in compliance with a request made by the client, and it transmits the desired information to the terminal device 20 through the server computer 30 so as to indicate the information on the display thereof.
- Numeral 140 designates a transformation engine which will be explained later.
- Step 210 A terminal device makes a request for access to Web contents .
- Step 220 The results of a semantic analysis concerning the requested Web contents are retrieved.
- Step 230 It is checked if the semantic analysis results are found.
- Step 240 Unless the semantic analysis results are found, a semantic analysis program is executed.
- Step 250 A transformation description object is generated by analyzing the Web contents and the semantic analysis results.
- Step 260 Each element of the Web contents is transformed in accordance with the request of a user and the attributes of the terminal device .
- Step 270 The transformed elements are transmitted, and are displayed on the terminal device.
- a request for access to certain Web contents is transmitted from the client device 20 (in Fig. 2) connected through the communication network such as the Internet, to the server computer 30 by using the HyperText Transfer Protocol (HTTP) over transmission control protocol/Internet protocol (TCP/IP) connection.
- HTTP HyperText Transfer Protocol
- TCP/IP transmission control protocol/Internet protocol
- the Web contents are formatted by a standard page description language such as the extensible Markup Language (XML) .
- contents transformation which proceeds in the contents transformation system 10 is broadly made up of two processing stages.
- the contents transformation system 10 analyzes the corresponding Web contents by means of the Web contents analyzer 120 so as to extract elements contained in the Web contents. Extracted are, for example, editorial information such as the title, author and date of a document, and the body of the document, as well as formal paragraph information constituting them. Simultaneously, the contents transformation system 10 links those extracted information to the semantic analysis results 50 corresponding to the Web contents 40. Using the link, the system 10 can retrieve the semantic analysis results 50 as required.
- the semantic analysis results 50 hold the semantic information of the Web contents 40 in the XML format.
- the semantic information contains the information of extracted keywords, key sentences or key paragraphs , positions where they appear in the document, and so forth. Also contained is information on a text structure which indicates the semantic consistency of the document as obtained by analyzing the contexts between sentences .
- the semantic information is not restricted to such exemplary information.
- the semantic analysis program is executed for the requested Web contents 40 so as to extract the semantic information of the contents 40.
- the semantic information obtained is saved as the semantic analysis results 50 in the XML format.
- a word (noun) of high frequency of appearance is set as the keyword on the basis of the assumption that the word often appearing in the document tends to indicate the theme of the document.
- a technique for weighting a word in accordance with the rate of appearance is detailed in "Automatic Text Processing" written by G. Salton, published by Addison-Wesley Publishing Company in 1989.
- the key sentence is extracted in such a way that the respective words are weighted in consideration of the frequencies of appearance of the words and the number of texts in which the words appear, and that the summation of the weights of the words which appear in the sentence is deemed the level of importance of the sentence .
- This method has been proposed by K. Zechner, and is stated in "Fast Generation of Abstracts from General Domain Text Corpora by Extracting Relevant Sentences” in the Proceedings of the 16th International Conference on Computational Linguistics, pp.986-989, 1996. Results obtained by the method are used also in this embodiment.
- the contents transformation system 10 analyzes the semantic analysis results 50 by means of the semantic analysis results analyzer 130 so as to extract, for example, the list of keywords, words or word groups deeply relevant to the respective keywords, and information on places where they appear in the document . Similarly extracted are information on the key sentences, key paragraphs and summary of the document .
- the transformation description object 110 contains link information for the Web contents 40 in which the lists of the keywords, key sentences etc. and information on the elements thereof are stored.
- the contents transformation system 10 retrieves relevant information and provides the retrieved information to the client.
- the transformation description object 110 has a structure as shown in Fig.5 and is expressed as an XML document object .
- the object 110 holds a logical structure which expresses the creations of the following elements : (a) Top page information
- Top page which is formed of the editorial information of the document, such as the title, author and date thereof, menu information having links to the respective information items, and so forth (b) Summary
- Keyword page which contains the list of the extracted keywords, and links to places where the keywords appear in the document
- Key phrase page which contains the list of key phrases relevant to the keywords, and links to places where the key phrases appear in the document
- Key sentence page which contains the list of the extracted key sentences, and links to places where the key sentences appear in the document
- the transformation engine 140 defines transformation rules, namely, a series of rules for' the display aspects of the elements included in the Web contents 40 and the semantic analysis results 50, on the client device 20; the information of link destinations in the case where the elements are linked; and so forth.
- the transformation engine 140 transforms the respective elements included in the Web contents 40 and the semantic analysis results 50, on the basis of the transformation rules defined for all the elements.
- the transformation engine 140 does not execute the final transformationprocessing of the contents yet, but it merely builds the logical structure of the transformed contents, that is, generates the object which describes transforming methods for the elements.
- the transformed document can have the structure as shown in Fig. 5, as its logical structure.
- the logical structure is formed of the top page which contains the editorial information of the document and the links to the summary, keywords and key sentences, the pages which contain the lists of the keywords, key sentences etc. and the links to the places where the keywords, key sentences etc. appear in the document, respectively, and document fragments which are obtained by dividing the body of the document into parts of appropriate size.
- the transformation processing of the contents is actually executed by the transformation engine 140.
- An access request from the client device 20 is transmitted to the Web server 30 by using the HTTP protocol.
- information items on a communication facility, a display facility, etc. incorporated in the terminal 20 can be contained as parts of an HTTP header.
- the transformation processing is executed for the respective elements in accordance with the information items on the terminal attributes, and the transformation description object 110 created at the first stage.
- the pages of the body of the document are created, while at the same time, the pages and hyperlinks (a) - (g) mentioned above are created.
- FIG. 6 An example of the communications between a client or user and the contents transformation system 10 will now be explained with reference to Fig. 6.
- the client device 20 displays a top page (a) and the client wants to know information about a "keyword” or a "key phrase relevant to a keyword”, he/she selects "keywords” to open a "keyword page” (b) .
- An anchor to a page which contains the list of keywords and key phrases relevant to the respective keywords is indicated on the keyword page (b) .
- any of the keywords for example, "keyword 1" is selected on the keyword page (b) , the part of the "keyword 1" in the body of a document is displayed.
- the client can readily grasp the whole document without going through all the document contents. Further, it is possible to cope with even the presence of such a limitation that the display screen of the client device 20 is small .
- Computer program codes for executing the operation of the present invention should desirably be created with an object-oriented programming language such as Java or C++. However, they can also be created with a conventional procedure-oriented programming language such as C, or a functional programming language.
- the contents transformation processing is implemented as a Java Servlet by using the Java programming language and is executed in the Web server 30.
- the processing can also be implemented as a common gateway interface (CGI) application or as logic contained in an active server page (ASP) .
- CGI common gateway interface
- ASP active server page
- all the program codes are executed on the Web server 30. It is also possible, however, to execute some of the program codes on the Web server 30 and the others on a Web proxy.
- the present invention not only the display of document contents on the display panel of a mobile terminal device is facilitated, but also more efficient access to the contents can be realized, owing to a dynamic contents transformation method in which new hyperlinks based on the key information of a document, such as keywords and key sentences, are generated with reference to the results of the semantic analysis of the document contents, and in which the document contents are appropriately divided on the basis of results obtained by semantically structuring the whole document, and terminal attributes indicating communication and display facilities incorporated in a terminal device making access.
- a dynamic contents transformation method in which new hyperlinks based on the key information of a document, such as keywords and key sentences, are generated with reference to the results of the semantic analysis of the document contents, and in which the document contents are appropriately divided on the basis of results obtained by semantically structuring the whole document, and terminal attributes indicating communication and display facilities incorporated in a terminal device making access.
- information providing/browsing can be realized by the least access (communication) even for enormous Web contents, owing to a navigation mechanism which has hyperlinks permitting a client to readily judge whether or not the contents are necessary for him/her, from the summary, key elements, correlated keywords, etc. of at least one pertinent document and without going through all the contents, and permitting the client to immediately move to a place that seems important within the contents.
- These functions are very effective for access to the Web contents from, not only the mobile terminal device, but also a conventional desktop computer.
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01981345A EP1323051A1 (en) | 2000-10-02 | 2001-10-02 | Method and apparatus for transforming contents on the web |
US10/381,507 US20040054973A1 (en) | 2000-10-02 | 2001-10-02 | Method and apparatus for transforming contents on the web |
KR10-2003-7004677A KR20030079919A (ko) | 2000-10-02 | 2001-10-02 | 웹 콘텐츠 변환 방법 및 장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000302728A JP2002116983A (ja) | 2000-10-02 | 2000-10-02 | ウェブコンテンツの変換方法およびシステム |
JP2000-302728 | 2000-10-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002029590A1 true WO2002029590A1 (en) | 2002-04-11 |
WO2002029590A8 WO2002029590A8 (en) | 2002-07-11 |
Family
ID=18784035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/030691 WO2002029590A1 (en) | 2000-10-02 | 2001-10-02 | Method and apparatus for transforming contents on the web |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1323051A1 (ko) |
JP (1) | JP2002116983A (ko) |
KR (1) | KR20030079919A (ko) |
CN (1) | CN1254751C (ko) |
WO (1) | WO2002029590A1 (ko) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002095594A1 (en) * | 2001-05-18 | 2002-11-28 | Sharp Kabushiki Kaisha | Content delivery system, content server, and content delivery method |
FR2849308A1 (fr) * | 2002-12-18 | 2004-06-25 | France Telecom | Procede et systeme d'extraction de resume en coeur de reseau |
WO2005022411A1 (en) * | 2003-09-01 | 2005-03-10 | Koninklijke Philips Electronics N.V. | Interface for transcoding system |
CN100351832C (zh) * | 2003-03-28 | 2007-11-28 | 联想(北京)有限公司 | 一种移动浏览设备与数据自适应的方法 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7373347B2 (en) | 2002-07-22 | 2008-05-13 | Ricoh Company, Ltd. | Information processing apparatus and information processing method |
JP2004078655A (ja) * | 2002-08-20 | 2004-03-11 | Ntt Advanced Technology Corp | 情報管理装置ならびにその方法、情報管理プログラム |
KR100962893B1 (ko) * | 2005-09-08 | 2010-06-09 | 인터내셔널 비지네스 머신즈 코포레이션 | 클라이언트-서버 통신 개선 방법, 클라이언트-서버아키텍처 내의 서버, 클라이언트-서버 아키텍처 시스템 및컴퓨터 판독가능한 저장 매체 |
KR100870146B1 (ko) * | 2006-08-22 | 2008-11-24 | 주식회사 미디어워크 | 모바일 기기를 이용한 학습 시스템 및 그 방법 |
FR2935855B1 (fr) * | 2008-09-11 | 2010-09-17 | Alcatel Lucent | Procede et systeme de communication pour la determination d'une sequence de services lies a une conversation. |
KR101134267B1 (ko) | 2010-04-14 | 2012-04-12 | 한국과학기술원 | 컨텐츠 변환 방법 및 시스템 |
KR101667199B1 (ko) * | 2015-01-26 | 2016-10-18 | (주)해나소프트 | 키워드 검색을 통한 웹 페이지의 상대적 품질 지수 평가 장치 |
CN108733635B (zh) * | 2017-04-24 | 2021-12-03 | 珠海金山办公软件有限公司 | 一种文本信息展示方法及装置 |
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US5727159A (en) * | 1996-04-10 | 1998-03-10 | Kikinis; Dan | System in which a Proxy-Server translates information received from the Internet into a form/format readily usable by low power portable computers |
US5991713A (en) * | 1997-11-26 | 1999-11-23 | International Business Machines Corp. | Efficient method for compressing, storing, searching and transmitting natural language text |
-
2000
- 2000-10-02 JP JP2000302728A patent/JP2002116983A/ja active Pending
-
2001
- 2001-10-02 WO PCT/US2001/030691 patent/WO2002029590A1/en not_active Application Discontinuation
- 2001-10-02 KR KR10-2003-7004677A patent/KR20030079919A/ko not_active Application Discontinuation
- 2001-10-02 EP EP01981345A patent/EP1323051A1/en not_active Withdrawn
- 2001-10-02 CN CNB018183565A patent/CN1254751C/zh not_active Expired - Fee Related
Patent Citations (2)
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US5727159A (en) * | 1996-04-10 | 1998-03-10 | Kikinis; Dan | System in which a Proxy-Server translates information received from the Internet into a form/format readily usable by low power portable computers |
US5991713A (en) * | 1997-11-26 | 1999-11-23 | International Business Machines Corp. | Efficient method for compressing, storing, searching and transmitting natural language text |
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"Spyglass prism concepts and applications", SPYGLASS INC., 1997, pages 1 - 8, XP002907213 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002095594A1 (en) * | 2001-05-18 | 2002-11-28 | Sharp Kabushiki Kaisha | Content delivery system, content server, and content delivery method |
US7319470B2 (en) | 2001-05-18 | 2008-01-15 | Sharp Kabushiki Kaisha | Content delivery system, content server, and content delivery method |
FR2849308A1 (fr) * | 2002-12-18 | 2004-06-25 | France Telecom | Procede et systeme d'extraction de resume en coeur de reseau |
CN100351832C (zh) * | 2003-03-28 | 2007-11-28 | 联想(北京)有限公司 | 一种移动浏览设备与数据自适应的方法 |
WO2005022411A1 (en) * | 2003-09-01 | 2005-03-10 | Koninklijke Philips Electronics N.V. | Interface for transcoding system |
Also Published As
Publication number | Publication date |
---|---|
KR20030079919A (ko) | 2003-10-10 |
JP2002116983A (ja) | 2002-04-19 |
WO2002029590A8 (en) | 2002-07-11 |
EP1323051A1 (en) | 2003-07-02 |
CN1473297A (zh) | 2004-02-04 |
CN1254751C (zh) | 2006-05-03 |
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