About
FactForge.net is a knowledge graph of Linked Open Data (LOD) and news articles about people, organizations and locations. It includes more than 1 billion facts from popular datasets such as DBpedia, Geonames, Wordnet, the Panama Papers, etc., as well as ontologies such as the Financial Industry Business Ontology (FIBO). It also includes a live stream of news articles and metadata linking news to entities and concepts: about 2000 articles/day tagged by Ontotext’s Publishing platform. FactForge offers a public service for free access to data represented as RDF graph. It features some sample queries that demonstrate its unique capabilities for media monitoring of related entities and analysis of industry trends and company control patterns.
Access, Exploration and Querying
FactForge represents a large-scale public demonstrator of many of GraphDB‘s advanced features: reasoning, geospatial indexing, RDFRank, full-text search connectors and owl:sameAs optimization.
It benefits from the GraphDB Workbench with its URI auto-suggest available for resource exploration and in the SPARQL editor; it is activated by with Ctrl-Space or Cmd-Space. Its Class hierarchy diagram is indispensable when exploring a repository with over 1400 classes while the Class relationships diagram makes it easier to understand the major patterns of relationships.
Applications can access FactForge via SPARQL Protocol at http://factforge.net/repositories/ff-news. This is also the service address to be used for federated SPARQL queries. SPARQL Protocol (popular as “SPARQL end-point”) allows applications to remotely query and update an RDF repository over HTTP. It represents a REST style application programming interface (API).
Datasets and Ontologies
FactForge loads several LOD datasets in a single GraphDB repository. Cleanup and other corrections are applied to some of these datasets and ontologies. The datasets and ontologies included are:
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