Wikipedia

Wikipedia is a free, online encyclopedia created and maintained collaboratively by volunteers worldwide, offering millions of articles across countless topics in nearly every language.
DBpedia is a project that extracts structured data from Wikipedia and makes it available on the web in a machine-readable format. It transforms Wikipedia’s information into linked data (using RDF and SPARQL), so computers can understand and query it.
An agent is available as an example that integrates with dbPedia. It uses the dbPedia ontology to extract information about terms and their relationships and presents as a graph.
The following is an example search for a specific term (JP Morgan in this case), with various expansions of relations as recorded in the dbPedia ontology:
This was provided as an example of how you would integrate with a knowledge management system.
There is an overload of information and terms provided in the ontology, duplication, and no attempt was made to filter and reduce the details provided. The nodlin forms presented for the node show considerable detail.