Demonstration, Museum and Web 2011, April 7-9, 2011, Philadelphia, PA, USA

1. Museum and Web 2011, April 7-9, 2011, Philadelphia, PA, USA LODAC MuseumConnecting Museums with LOD National Institute of Informatics With LODAC project team H. Takeda, I. Ohmukai, F. Kato, T. Kamura, T. Takahashi, H. Ueda

2. LODAC Project Open Social Semantic Web Platform for Academic Resources Providing platforms for Linked Open Data Practicing data accumulation and publishing Interested Areas Museum information Geographical information, especially geographical names Local information …

3. Museum data as LOD The state-of-the-art of museum information in Japan Distributed Self maintained Isolated Opaque Self designed Messy Aggregating and associating museum information LODAC-Museum

4. Linked Open Data Publish data as re-useable Not PDF or excel Use RDF (Resource Description Framework) Web of Data Linked Data Principle by Tim Berners-Lee Use URIs as names for things Use HTTP URIs so that people can look up those names. When someone looks up a URI, provide useful information, using the standards (RDF*, SPARQL) Include links to other URIs. so that they can discover more things.

5. LOD Cloud(Linking Open Data)

6. http://lod.ac/

7. LODAC Museum – Main work Gathering of data Thesaurus, museum collections, etc Standardization of data Representing data from different sources in a unique form Integration of data Identifying data Associating the same data Publishing and share of data

8. Data sources Thesaurus and authority sources 日本美術シソーラスDB絵画編(Thesaurus of Japanese Art) 国指定文化財データベース(DB for National Designated Cultural Property) 文化遺産オンライン(Cultural Heritage Online) Museum Collection (14 museums) 国立美術館所蔵作品総合目録検索システム(国立国際美術館，京都国立近代美術館，東京国立近代美術館) (4 Nat’l Museums) 国立西洋美術館 (Nat’l M. Western Art) 京都国立博物館 (Kyoto Nat’l Museum) 奈良国立博物館 (Nara Nat’l Museum) 福島県立美術館 (Fukushima Pref. M. of Art) Other sources DBPedia Japan GIS data 栃木県立美術館 秋田県立近代美術館 岩手県立美術館 徳島県立近代美術館 山梨県立美術館 東京都現代美術館 香川県立東山魁夷せとうち美術館

9. Metadata design Basic Structure Work – Creator – Museum Interoperability is more considered than correctness in the domain DC> DCTerm> FOAF> iCal >SKOS>NDLSH> RDA> CIDOC CRM Keep it flat as long as possible Metadata elements Work: 46 Person: 23 Org. 13 Bib. 12

10. Integration Policy How to integrate data from different sources sharing of responsibility Each source is responsible for its data Identifying IDs for data and managing data with the IDs LODAC is only responsible for integration Assigning original IDs and associating other IDs to them Data from Source B Integrated data Data from Source A crm:P55_has_current_location dc:creator Work dc:references dc:references crm:P55_has_current_location crm:P55_has_current_location Museum dc:creator dc:references dc:references dc:creator Creator dc:references dc:references 10

11. Integration of Person Data Matching of Creators Base: List of Artists from Thesaurus of Japanese Art Target: Creators of collection in museums + Dbpedia Method: String match of names Results: Links from artist nodes to work nodes are added Links LODAC data Link to Work DBpedia Basic Informationfor Creators

13. A Creator’s page Name of creator LODAC ID and associated Ref-Resource IDs

14. Ref-Resource ID (Dbpedia)

15. Ref-Resource ID (Japanese Art Thesaurus) born year school related area

16. Data associated to LODAC ID Links to works

17. 徳島県立美術館 Tokushima Pref. Museum

18. 東京近代美術館 National Museum of Modern Art, Tokyo

19. 国指定文化財データベース DB for National Designated Cultural Property

20. Tokushima Pref. Museum Thesaurus for Japanese Art DB for National Designated Cultural Property National Museum of Modern Art, Tokyo Fukui Pref. Museum

21. Data size and Integration Results Museum collections

22. What can LOD give Museum Data? Connectivity!! Open Connectivity makes new values for museum data Connect to data in other areas Connect to UGC (User Generated Contents)