semantic web examples from e-culture guus schreiber vu – [email protected]
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Semantic WebSemantic Webexamples from E-Cultureexamples from E-Culture
Guus SchreiberGuus Schreiber
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The Web: resources and links
URL URLWeb link
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The Semantic Web: typed resources and links
URL URLWeb link
ULAN
Henri Matisse
Dublin Core
creator
Painting“Woman with hat
SFMOMA
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Principle 1: semantic annotation
• Description of web objects with “concepts” from a shared vocabulary
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Principle 2: semantic search
• Search for objects which are linked via concepts (semantic link)
• Use the type of semantic link to provide meaningful presentation of the search results
urang-utang
orange
ape
great ape
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Principle 3: multiple vocabularies. or: the myth of a unified vocabulary
• In large virtual collections there are always multiple vocabularies – In multiple languages
• Every vocabulary has its own perspective– You can’t just merge them
• But you can use vocabularies jointly by defining a limited set of links– “Vocabulary alignment”
• It is surprising what you can do with just a few links
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Example“Tokugawa”
AAT style/period Edo (Japanese period) Tokugawa
SVCN period Edo
SVCN is local in-house thesaurus
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E-Culture demonstrator
• Part of large Dutch knowledge-economy project MultimediaN
• Partners: VU, CWI, UvA, DEN,ICN
• People: – Alia Amin, Lora Aroyo, Mark
van Assem, Victor de Boer, Lynda Hardman, Michiel Hildebrand, Laura Hollink, Marco de Niet, Borys Omelayenko, Marie-France van Orsouw, Jos Taekema, Annemiek Teesing, Anna Tordai, Jan Wielemaker, Bob Wielinga
• Artchive.com, ICN: Rijksmuseum Amsterdam, Dutch ethnology musea (Amsterdam, Leiden), National Library (Bibliopolis)
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Culture Web demonstratorhttp://e-culture.multimedian.nl
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16 Nov 200616 Nov 2006
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Perspectives
• Basic Semantic Web technology is ready for deployment
• Web 2.0 facilities:– Involving community experts in annotation– Personalization, myArt
• Social barriers have to be overcome!– “open door” policy– Involvement of general public => issues of “quality”
• Importance of using open standards– Away from custom-made flashy web sites