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DBpedia
DBpedia.org is a community effort to extract structured information from Wikipedia and to make this information available on the Web. DBpedia allows you to ask sophisticated... -
Product Types Ontology
The Product Types Ontology provides GoodRelations-compatible OWL DL class definitions for ca. 300,000 types of product or services that have an entry in the English Wikipedia -
Linked Open Data of Ecology
Linked Open Data of Ecology (LODE) is a prototype to integrate the data of ecology by linked data approach. So far the subjects include most of wildfire, taxonomy, biodiversity...