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  • 1. When Culture Encounters Internet Conference, December 14th-15th, 2010, TaipeiConnecting Museums with Linked Data 以鏈結資料連結博物館 Hideaki Takeda  武田英明 takeda@nii.ac.jp National Institute of Informatics 国立情報学研究所 With LODAC project team I. Ohmukai, F. Kato, T. Kamura, T. Takahashi, H. Ueda Hideaki Takeda / National Institute of Informatics
  • 2. Outlinel Information Cyclel Linked Data and Museum Datal LODAC Museum Hideaki Takeda / National Institute of Informatics
  • 3. Information Cyclel Information can be created only based on existing information n No information can be created out of nothing n Collect – Use & Createl Value of information is how much it is used n No value for information without use n Use & Create – Publishl Accumulation of information is the wealth of society n Distribution of information is the health of society n Publish – Share -- Collect & Create Hideaki Takeda / National Institute of Informatics
  • 4. Information Cyclel Before Gutenberg n Media u Hand-writing books u Oral communication n Information Cycle is u Slow u Small amount u Few Peoplel After Gutenberg, the age of Mass media arrived … & Create Hideaki Takeda / National Institute of Informatics
  • 5. Two social layers on information cycle with Mass Media Writer, Artist, Scholar Mass media Government & Create Hideaki Takeda / National Institute of Informatics
  • 6. Two social layers on information cycle with Mass media Writer, Artist, Scholar Mass media Government Collect Ordinary People Use & Create Hideaki Takeda / National Institute of Informatics
  • 7. Two social layers on information cycle with Mass Media Writer, Artist, Scholar Mass media Government Ordinary People & Create Hideaki Takeda / National Institute of Informatics
  • 8. Information Cycle with Web Web InternetOpen Door to Information Cycle for Ordinary PeopleSearch Engine Web Server Web Browser & HTML Editor Create Hideaki Takeda / National Institute of Informatics
  • 9. Information CycleWebl Web accelerate Information Cycle in n Speed n Quantity n People & Create Hideaki Takeda / National Institute of Informatics
  • 10. Information Cycle with Web Web InternetSearch Engine Web Server Web Browser & HTML Editor Create Hideaki Takeda / National Institute of Informatics
  • 11. Metadata is the platform of Information Cycle Metadata & & Hideaki Takeda / National Institute of Informatics
  • 12. Linked Data will be the platform of Information C ycle on the content layer Metadata Linked Data & & Hideaki Takeda / National Institute of Informatics
  • 13. LOD Cloud(Linking Open Data) Hideaki Takeda / National Institute of Informatics
  • 14. Linked Data – Four Rulesl Linked Data is “Web of Data” n (Traditional) Web is “Web of Documents”l What is Linked Data? n RDF triples n Can refer others n Can be referred by others,l Four Rules for Linked Data n Use URIs as names for things n Use HTTP URIs so that people can look up those names. n When someone looks up a URI, provide useful information, using the standards (RDF*, SPARQL) n Include links to other URIs. so that they can discover more things Linked Data, TBL, http://www.w3.org/DesignIssues/LinkedData.html Hideaki Takeda / National Institute of Informatics
  • 15. Importance of data in public sector as Linked Datal In principle, it should be sharedl It is the basic knowledge of our societyl Data in public sector n Library n Museum n Archive n Government Hideaki Takeda / National Institute of Informatics
  • 16. Challenges for Linked Data in Japanl Lack of culture of sharingl Immature community for linked datal Lack of central data Setl Difficulty of multi-lingual data Anyway let’s start! Hideaki Takeda / National Institute of Informatics
  • 17. LODAC Projectl Open Social Semantic Web Platform for Academic Resources n Providing platforms for Linked Data n Practicing data accumulation and publishingl Interested Areas n Museum information n Geographical information, especially geographical names n Local information n … Hideaki Takeda / National Institute of Informatics
  • 18. Museum data as LODl The state-of-the-art of museum information in Japan n Distributed u Self maintained u Isolated n Opaque u Self designed u Messyl Aggregating and associating museum information n LODAC-Museum (tentative) Hideaki Takeda / National Institute of Informatics
  • 19. Over 1.4 billion collectionsOver 1,000 organizations Hideaki Takeda / National Institute of Informatics
  • 20. http://lod.ac/ (open on December 11) Hideaki Takeda / National Institute of Informatics
  • 21. LODAC Museum – Main workl Gathering of data n Thesaurus, museum collections, etcl Standardization of data n Representing data from different sources in a unique forml Integration of data n Identifying data n Associating the same datal Publishing and share of data Hideaki Takeda / National Institute of Informatics
  • 22. Data sourcesl Thesaurus and authority sources l Other sources n 日本美術シソーラス DB 絵画編 n DBPedia Japan (Thesaurus of Japanese Art) n GIS data n 国指定文化財データベース (DB for National Designated Cultural Property) n 文化遺産オンライン (Cultural Heritage Online)l Museum Collection (14 museums) n 国立美術館所蔵作品総合目録検 n 栃木県立美術館 索システム ( 国立国際美術館, n 秋田県立近代美術館 京都国立近代美術館,東京国立 近代美術館 ) (4 Nat’l Museums) n 岩手県立美術館 n 国立西洋美術館 (Nat’l M. Western Art) n 徳島県立近代美術館 n 京都国立博物館 (Kyoto Nat’l Museum) n 山梨県立美術館 n 奈良国立博物館 (Nara Nat’l Museum) n 東京都現代美術館 n Hideaki of Art) 香川県立東山魁夷せとうち 福島県立美術館 (Fukushima Pref. M.Takedan National Institute of Informatics /
  • 23. Metadata design l Basic Structure n Work – Creator – Museum l Interoperability is more considered than correctness in the domain n DC> DCTerm> FOAF> iCal >SKOS>NDLSH> RDA> CIDOC CRM PREFIXlodac:Work Keep it flat as long as possible URI n Property( 一部項目省略 )資料分類 lodac:genre crm http://purl.org/NET/cidoc-crm/core#文化財 lodac:culturalAssets制作者 dc:creator / dc11:creator dc http://purl.org/dc/terms/国籍 crm:P7_took_place_at dc11 http://purl.org/dc/elements/1.1/作品名 dc:title / skos:prefLabel作品名読み dc:title @ja-hrkt / skos:altLabel foaf http://xmlns.com/foaf/0.1/作品名英語 dc:title @en / skos:altLabel skos http://www.w3.org/2004/02/skos/core#銘文 crm:P62I_is_depicted_by Metadata印章 crm:P65_shows_visual_item rdfs http://www.w3.org/2000/01/rdf-員数 crm:P57_has_number_of_parts schema# elementsコレクション dc:isPartOf ical http://www.w3.org/2002/12/cal/ical# Work:   46制作年 dc:created Person:   23推定始年 lodac:estimatedStartYear rda2 http://RDVocab.info/ElementsGr2材質 dc:medium / crm:P45_consists_of Org.   13 lodac http://lod.ac/ns/lodac# Bib.   12 Hideaki Takeda / National Institute of Informatics
  • 24. Integration Policyl How to integrate data from different sources n sharing of responsibility u Each source is responsible for its data l Identifying IDs for data and managing data with the IDs u LODAC is only responsible for integration l Assigning original IDs and associating other IDs to them Data from Source A Integrated data Data from Source B crm:P55_has_current_location dc:creator Work dc:references dc:references crm:P55_has_current_location Museum crm:P55_has_current_location dc:references dc:references dc:creatordc:creator Creator dc:references dc:references Hideaki Takeda / National Institute of Informatics
  • 25. Integration of Person Datal Matching of Creators n Base: List of Artists from Thesaurus of Japanese Art n Target: Creators of collection in museums + Dbpedia n Method: String match of names n Results: Links from artist nodes to work nodes are added LODAC data Links Link to Work DBpedia Basic Information for Creators Hideaki Takeda / National Institute of Informatics
  • 26. Hideaki Takeda / National Institute of Informatics
  • 27. Hideaki Takeda / National Institute of Informatics
  • 28. Hideaki Takeda / National Institute of Informatics
  • 29. Hideaki Takeda / National Institute of Informatics
  • 30. Hideaki Takeda / National Institute of Informatics
  • 31. 徳島県立美術館  Tokushima Pref. MuseumHideaki Takeda / National Institute of Informatics
  • 32. 東京近代美術館  National Museum of Modern Art, Tokyo Hideaki Takeda / National Institute of Informatics
  • 33. 国指定文化財データベース  DB for National Designated CulturalProperty Hideaki Takeda / National Institute of Informatics
  • 34. Tokushima Pref. Museum Thesaurus for Japanese Art DB for National Designated Cultural Property National Museum of Fukui Pref. Museum Modern Art, Tokyo Hideaki Takeda / National Institute of Informatics
  • 35. Data size and Integration Results Source Type No. Type for Sources No. Results Integration国立美術館 ( 西美を除く 3 館 ) Work 25180 Museum Thesaurus for J. art 648 77国立西洋美術館 Work 4373 Cultural Heritage Online 915京都国立博物館 Work 5819 Designated Thesaurus for J. art (work) 3800 74奈良国立博物館 Work 431 Cultural福島県立美術館 Work 20 Property Designated Cultural Property 10115 DB栃木県立美術館 Work 32 work Thesaurus for J. art (work) 1332 15020秋田県立近代美術館 Work 22 Museum collections (work) 61861岩手県立美術館 Work 1558徳島県立近代美術館 Work 18482 Person Thesaurus for J. art (artist) 1332 615 Museum collections (work) 61861山梨県立美術館 Work 262東京都現代美術館 Work 5416香川県立東山魁夷せとうち美術館 Work 266 Museum collectionsThesaurus for J. art Work 3800Thesaurus for J. art Person 1332Thesaurus for J. art Group 289Thesaurus for J. art Museum 648Cultural Heritage Online Museum 915Designated Cultural Property DB Work 10115 合計 103096 Hideaki Takeda / National Institute of Informatics
  • 36. What can LOD give Museum Data? Connectivity!!l Open Connectivity makes new values for museum data n Connect to data in other areas n Connect to UGC (User Generated Contents) Hideaki Takeda / National Institute of Informatics
  • 37. Local Information with Museum datal Museum LOD + Local LOD / Sightseeing LOD / Geo LODl e.g., n Tour visiting museums with a focus n Joint event with local festivals n Tour for food related historical events n … Hideaki Takeda / National Institute of Informatics
  • 38. User Generated Contents for Museum Informationl Contributions by non-expertsl e.g., n Personal comments for Buddha statues 1. Statue of Sarasvati 2. Ryohoji Temple n Records of visiting museums 弁財天像 n Media-mix events 3. Theme Song for Ryohoji 4. Event Hideaki Takeda / National Institute of Informatics
  • 39. Publish museum data as LODl Let’s make museum data open and shareablel Change “cultural heritage” to “cultural resources”l (art/culture) * information = Promotion of the Nationl Beyond collaboration of Museum Library Archives(MLA) n MLA3(Museum Library Archives, Arts and Academia)l More users, more various types of usage Hideaki Takeda / National Institute of Informatics
  • 40. Make arts and culture more dynamic and more energet ic Pop Culture Hideaki Takeda / National Institute of Informatics