1 Linked Data outlook Haifa12 th September 2011. 2  Ex Libris Ltd., 2011 -...

download 1 Linked Data outlook Haifa12 th September 2011. 2  Ex Libris Ltd., 2011 - Internal and Confidential

of 16

  • date post

    01-Apr-2015
  • Category

    Documents

  • view

    212
  • download

    0

Embed Size (px)

Transcript of 1 Linked Data outlook Haifa12 th September 2011. 2  Ex Libris Ltd., 2011 -...

  • Slide 1

1 Linked Data outlook Haifa12 th September 2011 Slide 2 2 Ex Libris Ltd., 2011 - Internal and Confidential Slide 3 3 Slide 4 4 Slide 5 5 Slide 6 6 Linked data and Ex Libris products - IGeLU 2011 Triples Subject - Predicate - Object written by painted by is about author of painter of is subject of http://viaf.org/viaf/64013650 http://data.beeldengeluid.nl/gtaa/62486 http://viaf.org/viaf/112119293/ http://permalink.opc.uva.nl/item/001665446 http://data.beeldengeluid.nl/gtaa/62486 Thing - Relation - Thing Subject - Predicate - Object We create a totaly new kind of language. It is for the whole web planetary level. This will allow new kinds of services. We are in a hot research phase. We create a totaly new kind of language. It is for the whole web planetary level. This will allow new kinds of services. We are in a hot research phase. S ubject - P redicate - O bject Slide 7 7 Principles of linked data Use URIs to identify things. Use HTTP URIs so that these things can be referred to and looked up by people and user agents. Provide useful information when its URI is looked up, using standard formats such as RDF/XML. Include links to other, related URIs in the exposed data to improve discovery of other related information on the Web. Ex Libris Ltd., 2011 - Internal and Confidential These technical principles are very brought. How to implement them depends on the use case. These technical principles are very brought. How to implement them depends on the use case. Slide 8 8 A Research Example: Europeana Europeana.eu is an internet portal that acts as an interface to millions of books, paintings, films, museum objects and archival records Distributed digitized and born digital sources Fully using linked data techniques for metadata Ex Libris Ltd., 2011 - Internal and Confidential A virtual European library, to make Europe's cultural heritage accessible for all Slide 9 9 Ex Libris Ltd., 2011 - Internal and Confidential Slide 10 10 Problems Central Discovery Platform MetaSearch vs. Central Index Central Index Huge number of tripples performance Harvesting from various sources Variety of source formats (mostly none-RDF) Versioning of tripples vs. flat source records Governance of tripples vs. flat source records Ex Libris Ltd., 2011 - Internal and Confidential Slide 11 11 New DM2E Project Started September 2011 Major part is new digitzation techniques... AND Work Package 2: Interoperability Infrastructure (How to harvest various metadata into Europeana) Ex Libris Ltd., 2011 - Internal and Confidential Digitised Manuscripts to Europeana Ex Libris is a partner in WP2. Slide 12 12 Ex Libris contribution to DM2E RDFizer MARCXML RDF UNIMARC-XML RDF RDF2EDM Both are based on existing mapping rules Other partners develop editiors for mapping rules Both tools will be published in El Commons Ex Libris Ltd., 2011 - Internal and Confidential Slide 13 13 Ex Libris and Linked Data Questions to ask Technology / License of data / Business Policy Why should we do it? Interoperability, especially with other domains reshape shared metadata management What should we do? Publishing Utilization of linked data sources Modeling of future services Ex Libris Ltd., 2011 - Internal and Confidential Slide 14 14 Alma and Linked Data Apply RDFizer while publishing E.g. publish to LinkedData.org Keep global authority data incl. URI to source E.g. LCSH / VIAF navigation Enable URI lookup and reference to records in Community Catalog Ex Libris Ltd., 2011 - Internal and Confidential Slide 15 15 Summary Linked Data is in vivid research phase How to do it What to do with it Ex Libris takes part in that research as a partner e.g. DM2E-Project Ex Libris prepares its products e.g. Alma - URI access to Community Catalog Ex Libris Ltd., 2011 - Internal and Confidential Slide 16 16 Ex Libris Ltd., 2011 - Internal and Confidential