- illumin8 by Elsevier a research tool that provides innovation and R&D professionals with actionable insights from scientific, patent, and news content.
Open Data Sources
- DBpedia the community effort to extract structured information from Wikipedia and to make this information available on the Web.
- FrameNet is building a lexical database of English that is both human- and machine-readable, based on annotating examples of how words are used in actual texts. FrameNet is based on a theory of meaning called Frame Semantics, deriving from the work of Charles J. Fillmore and colleagues.
- UK Discovery 10 openly licensed datasets are part of the Discovery Developer Competition
- CKAN, the Data Hub the Comprehensive Knowledge Archive Network, a registry of open knowledge packages and projects (and a few closed ones).
- World Bank data more than 3,000 indicators for countries with some data series dating back 50 years.
- Music Brainz an open music encyclopedia that collects, and makes available to the public, music metadata.
Representing dynamic events, historic events, anything where information in the ontology must be temporally contextualized.
- Historical Ontologies Nancy Ide and David Woolner In Ahmad, K, Brewster, C., and Stevenson, M. (eds.), Words and Intelligence II: Essays in Honor of Yorick Wilks, Springer, 137-152.
- SNAP and SPAN: towards Dynamic Spatial Ontology Pierre Grenon and Barry Smith, Spatial Cognition and Computation, 4: 1 (March 2004), 69–103
- rdfabout.com Joshua Tauberer's collection of useful introductory information about RDF and the Semantic Web. Excellent intro material, as well as some good data sets. Some good deep links:
- W3C RDF Primer basic knowledge required to effectively use RDF: XML syntax, how to define RDF vocabularies, overview of some deployed RDF applications.
- Turtle - Terse RDF Triple Language a textual syntax that allows RDF graphs to be completely written in a compact and natural text form, with abbreviations for common usage patterns and datatypes.
- Primer: Getting into RDF & Semantic Web using N3 how to get started using a simplified teaching language -- Notation 3 or N3.
- Notation 3 or N3 specification for N3 a language which is a compact and readable alternative to RDF's XML syntax, but also is extended to allow greater expressiveness.
- SHOE - Simple HTML Ontology Extensions Papers by Jeff Heflin, James Hendler, and Sean Luke
- SemanticWeb.com Answers Active Q/A forum about the Semantic Web.
- Sindice, the Semantic Web Index a platform to build applications on top of a huge indexed set of Semantic Web data.
- LargeTriplesStore list on W3C wiki a list of (very) large triple stores along with links.
- GATE General Architecture for Text Engineering