Semantic Webは情報検索をどう変えるか？

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2 ICOT EDR?. Quixote (DOOD) Telescript (mobile Agent) (Web) Web XML Web SemWeb

3 3 Semantic Web RDF RDF, Semantic Web : RSS, ODP, TAP, KM Semantic Web :, Trust, Agent, Semantic Web Mining

4 4 Semantic Web Web T.Berners-Lee Web (1998-) : W3C ), DARPA DAML (2000-) : EU-IST, : : WWW2002, W3C track

5 5 Web ( ) Web 3.2 (98.4) 8 (99.7) 10 (00.1) 21 (00.7) 40? (01 ) XML, 50% HTML DAML XML (by Mury Burke, SWMU2, %

6 6 Web OWL, DAML+OIL(W3C ) RDF Schema (RDF Vocabulary Description Language) (W3C ) RDF model & syntax ( W3C ) (WWW2002, W3C track RDF = Resource Description Framework

7 7 DublinCore MIReG, e-gmf, AGSL, CDF RSS0.9 RSS1.0 SGML XML RDF RDFS DAML OWL DAML+OIL DARPA DAML-S OIL EU-IST On-To-Knowledge TopicMap XTM

8 RDF (Resource Description Framework) 8 XML, N3 cf. XML W3C DTD OASIS RDF (URI ) cf. HTML Meta, PICS cf. ODP, RSS, PICS

9 9 RDF (model) (,, ) : URI(Uniform Resource Identifier) cf. TopicMap (bag, seq) intap.or.jp/s-web/intro.html Dublin Core creator (dc:creator) [email protected] age 55

10 10 RDF (syntax) XML URL / <rdf:rdf> <rdf:description about= > <dc:creator> </dc:creator> </rdf:description> </rdf:rdf> <dc:creator> <rdf:description about= > <v:name> </v:name> <v: >shimizu@intap</v: > </rdf:description> </dc:creator> or <dc:creator rdf:resource= v:name= v: =shimizu@intap/>

11 11 RDF N3 <#pat> <#child> <#al>. (Al Pat ) <#pat> has <#child> <#al>. <#al> is <#child> of <#pat>. <#pat> <#child> <#al>, <#chaz>, <#mo>; <#age> 24 ; <#eyecolor> blue. <> < dc: < <> dc:creator. creator

12 12 RDF (RDFS) RDF Vocabulary Description Language (range, domain) creator Work rdfs:range rdfs:subpropertyof rdfs:subclassof author rdfs:range Document rdfs:domain Person RDFS rdfs:type rdfs:type rdfs:type RDF author

13 13 OWL OIL: EU, IST On-To-Knowledge (-2001) DAML (DARPA Agent Markup Language) DAML-ONT DAML+OIL OWL (Ontology Web Language) W3C DAML+OIL (OWL-Full) OWL-DL (Description Logic), OWL-Light (category, catalogue)

14 14 OWL RDFS ( ) : exhaustive enumeration, intersection, union, complement equivalentclass, disjointwith equivalentproperty, inverseof : TransitiveProperty : SymmetricProperty cardinality: mincardinality, maxcardinality (Individual) sameindividualas, diferentfrom, Alldifferent

15 15 SemanticWeb TopicMap Topic Map (XTM=XML Topic Map) 1991 SGML, 2000 ISO, TopicMaps.org OASIS : EAI(Enterprise Application Integration) e-commerce, KM Semantic Web XTM : RDF+RDFS+OWL : SGML, XML URI subject indicator/subject address cf. L. M. Garshol, "Topic maps, RDF, DAML, OIL -- A Comparison",

16 Semantic Web 16 INTAP Web [Web ] SFC), : W3C NEC,,, NTT,,, Web [AI ] AI ) : Ontology. AI NII) : AI ), : XML XML Semantic Web WG [XML ] ) :, XML )

17 17 Semantic Web vs. Search Engin Optimizer Web AI The Semantic Web W3C KM Web XML Topic Map EAI e-learning, DAM, DRM

18 18 Semantic Web Adobe XMP extensible Metadata Platform : PDF RDF RSS : (Web ) 2003/2/16 Google Pyra Labs (blogger.com ) W3C/Stanford TAP RSS Open Directory Project / Dublin Core, e-learning

19 19 Semantic Web 80 (?) 40 (?) Web : ( ) HTML HTML ( ), ( ) ( )

20 20 : : ( librarian ) Web etc. etc. Semantic Web

21 21 : AND : Google ( )

22 22 ( ) = = = = = 30 =bag of words

23 23 2 Date= DOW=Wed Close= Wed Close= Sat,Sun Open= Mon,Wed Close= 1st Wed, 3rd Wed Open, Close OpenDate= ( ) 1,3 2002/11/1 =bag of words

24 24 POINT= ( , 35.44) Address= Address_Kyoto= Address= 3 Address= 8 ( ) : : =bag of words

25 Dublin Core ( ) 25 ( ) 15 : (Dublin Core Metadata Element Set DCMES) Title, Creator, Subject, Description, Publisher, Contributor, Date, Type, Format, Identifier, Source, Language, Relation, Coverage, Rights DCMI (Dublin Core Metadata Initiative)

26 26 / DCMES ( ) e-gms (e-government Metadata Standard) EU MIReG (Managing Information Resources for e-government) OIO-metadata (Offentlig Information Online) IPSMS ( ) AGLS (Australian Government Locator Service) NZGLS (New Zealand GLS) ( ) GILS (Government Information Locator Service) cf.

27 27 DC(Dublin Core), RSS, MPEG7 MIReG, e-gms, AGLS, e-gov E-learning LOM(Learning Object Metadata), SCORM, LIP XMLNews, NewsML, TV Anytime, ARIB,. MusicBrainz, G-XML, JMP, PICS P3P cidf (Content ID Forum),.. RDF RDF

28 : 28 VS HTML ontology ) ( ) : (, AI )

29 29 Semantic Web 1. RSS (RDF Site Summary) 2. ODP (Open Directory Project) 3. TAP (Stanford ) 4. KM

30 ( 1) RSS(RDF Site Summary / Rich Site Summary) ( ) URI,, (syndication ) Weblog RSS : ( ), one source, multi use, ( ) 30 RSS

31 31 ( 2) Open Directory Project ODP: 8000 Yahoo Web Netscape, Google ( ) ODP RDF URL URL (dc:title, dc:description) Web RDF princeton Wordnet RDF RDF cf. A. Eberheart, Survey of RDF data on the Web,

32 32 ( 3) TAP (Stanford ) Semantic Web Stanford KSL + IBM (Guha) + W3C TAP-KB : Music, Movie, Author, Sports,. ODP Cyc: = TAP-KB: Cyc, UpperOntology Yo-Yo-Ma TAPache: RDF GetData TAP Semantic Search (Activity Based Search): (Google)

33 33 TAP KB (Semantic Search) Miller Eric Miller

34 34 TAP ABS (Activity Based Search) Yo-Yo-Ma : TAP-KB ( )

35 35 TAP-KB W3C Query XHTML ( ) RDB HTML RDF (XSLT) RDB schema RDF (dbview) TAP-KB (RDF) Semantic Search - - (WG,, )

36 36 ( 4) KM Swill Life EU-IST, On-To-Knowledge OIL DB Haystack (MIT) RDF Know Who ( ) etc., Semantic Web WorkWare++, 2003

37 37 (,,, ) (= ) (= ) (= ) RDF*/XML

38 38 ( * ) Know Who (, ) ( /News/Web ) -XML - (text mining) (, )

39 39 Know Who= + :: XML XML

40 40 Semantic Web : : (DAM) (DRM) EAI (Enterprise Application Integration) KM, : P2P Web (B2B) Semantic Web Services, Semantic Web enables Web Services (SWWS) e-learning LOM Web RDF

41 41 1. Semantic Web 2. (Semantic) Web Semantic Web

42 42 [Topic] SW cf. Web UDDI Dublin Core Metadata Harvesting (OAI) Web DAML Crawler HTTP (Web Side Story, ) = Push (smart pull) : RSS Weblog RDFWeb ( Web ring

43 [Topic] Web HTML META? META Internet: Tim Berners-Lee Trust RDF? Web PKI Google PageRank, PGP mail (Key Free Trust, 43

44 [Topic] SW Telescript(by J. White, General Magic place,1995) cf., Telescript ASCII, 1996 ( :-) ( ) 44 Agent

45 45 ( ) Semantic Web +Web Services (Proof) Trust cf. Telescript

46 46 [Topic] Semantic Web etc. etc. (POS, ) Text (mail,, ) rule,, etc. Ontology? Web Web Semantic Web Semantic Web

47 Web / 47 Web Web, Web, 2002 Web ( URL) Web mining /

48 48 ( )toto ( ) Web 1 ( 1 )

49 Web NEC. NEC nec.co.jp nec.co.jp URL

50 50 ( ) PANAHOME RKB RKB RKB RKB ( ) RKB (TBS ) RKB (1278KHZ) Web Semantic Web

51 51 Semantic Web RDF, RSS (OWL) Semantic Web ( ) RDF DB Query ODB / Web

52 SemWeb 52 3/7 NEDO 3/10,11 J. Hendler 3/12 SWAFT (SEMANTIC WEB FOUNDATIONS AND APPLICATION TECHNOLOGIES), 3/25-27 ( ) : Web Web *3,

53 53 URL W3C DAML Dublin Core Metadata Initiative INTAP Web : ( ) Web Web Kanzaki

PowerPoint プレゼンテーション

PowerPoint プレゼンテーション /2 SemanticWeb SemanticWeb Web Web 2004.1 ( ), Evangelist, XML Consortium Technology Leader, SemanticWeb WG RSsS, ( ): Web ( ) SemanticWeb ( ): 0 Overview 4/4 Semantic Web [ ],, by DAML-S S (Semantic