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Libraries and Linked Data: Looking to the Future (3)
This document provides an overview of tools for linking data, vocabularies, and application programming. It discusses common types of entities to describe like people, places, concepts and events. It also lists vocabularies and ontologies for identifying these entities as well as tools for developing vocabularies and metadata. Finally, it outlines several programming tools and frameworks for working with semantic data, building applications, and querying datasets, including Apache Jena, Pellet, Snoggle and Virtuoso.
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Libraries and Linked Data: Looking to the Future (3)
- 1. Vocabularies, linking, andapplication programming TOOLS FOR LLD
- 2. Things relationship thing thing
- 3. types of things 1.things we are describing/cataloging – either as subjects or objects 2. relationships (were: data elements) 3. controlled vocabularies
- 4. Library things Work Object Person Expression Place Family Manifestation Concept Corp Item Event
- 5. Library things Work Object Person Expression Place Family Manifestation Concept Corp Item Event
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- 12. Identifying People • FriendOf A Friend http://www.foaf-project.org/ – “foaf-a-matic” http://ldodds.com/foaf/foaf-a-matic/ • Wikipedia – any person’s page URL • Worldcat Identities • New York Times http://data.nytimes.com • MusicBrainz http://musicbrainz.org • BBC • Virtual International Authority File (http://viaf.org)
- 13. Identifying Places • Geonameshttp://geonames/org/ • Wikipedia • AGROVOC (FAO subject thesaurus) – http://aims.fao.org/standards/agrovoc/about • LCSH http://id.loc.gov/ • BBC • New York Times
- 14. Identifying Topics • WikiSpecies •BBC Wildlife Ontology • National Agriculture Library Thesaurus • AGROVOC (FAO) • Various library subject thesauri (LC, Bnf, DNB, BNE, Japan) • Many, many more
- 15. Finding bibliographic data thedatahub.org/group/bibliographic
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- 17. programmers and applicationdevelopers DEVELOPMENT
- 18. Lists of tools W3CSemantic Web tools – http://www.w3.org/2001/sw/wiki/Tools categories: APIs, converters, reasoners, programming environments, browser tools, social media, triple stores, validators, development environments
- 19. Lists of tools Sweettools, by Mike Bergman http://www.mkbergman.com/sweet-tools categories: agents, annotators, APIs, ontology creators, browser tools, application frameworks, converters…
- 21. Metadata development Protégé http://protégé.stanford.edu (free)
- 22. Thesaurus development http://poolparty.biz educational licensing
- 23. Programming Apache Jena http://jena.apache.org “Java framework for building Semantic Web applications.” • Tutorial! • Getting started help! • Documentation!
- 24. Programming Pellet http://clarkparsia.com/pellet/ “OWL2 Reasoner for Java” •Users group listserv. •Examples in download. •Commercial support available.
- 25. Programming Snoggle “a graphical, SWRL-based ontology mapper to assist in the task of OWL ontology alignment”
- 26. Programming Virtuoso SPARQL query editor http://virtuoso.openlinksw.com SPARQL by Example http://www.cambridgesemantics.com/2008/09/sparql-by- example tutorial!
- 27. Thank you! … ANDTHAT’S JUST A TASTE
- 28. http://kcoyle.net/presentations/l inks.html kcoyle@kcoyle.net
Editor's Notes
- #3 All things should have URI if possible. Note that in the parlance of the semantic web, even the relationships, formally, are things. This may be true, but I find that it is easier to think of things and relationships separately because we do think of them differently, even though they will both take the form of URIs.
- #5 We have an idea of what the library “things” are.
- #6 But we don’t want to create library things – we want to idenitify universal things that will link to and intereact with the same things when they occur in other metadata. The things in library data are, for the most part, not unique to libraries. People, places, events, topics, and even books and journals and pieces of music… there are many communities that are interested in these things, and a surprising number who are including them in metadata.One area of our modern concept of library resources that is still puzzling to the members of our community who are working on linked data is what to do about the division of resources into the FRBR concepts of Work, Expression, Manifestation and Item. The pre-FRBR bibliographic data in which these are pretty much blended into a single thing is closer to the rest of the world’s idea of resources to be defined by metadata. So there is a bit of a dilemma here, and I’m going to skip over this particular issue because it is more than a bit of a morass, and we could get stuck there for a while. Just know that there are good minds working on how we’ll connect FRBR-ized bibliographic data to non-FRBRized data both within libraries and on the web.
- #23 other products as well. online demos.
- #28 IMLS grant – modules to teach developers and programmers how to use the tools.