WordNet is a lexical database of semantic relations between words in more than 200 languages. WordNet links words into semantic relations including synonyms, hyponyms, and meronyms. The synonyms are grouped into synsets with short definitions and usage examples. WordNet can thus be seen as a combination and extension of a dictionary and thesaurus.
F.37.3 Key characteristics
A natural language ontology.
F.37.4 Relevant extracts
From: What is WordNet? (https://wordnet.princeton.edu/)
Extract 1 – Type-instance distinction
WordNet distinguishes among Types (common nouns) and Instances (specific persons, countries and geographic entities). Thus, armchair is a type of chair, Barack Obama is an instance of a president. Instances are always leaf (terminal) nodes in their hierarchies.
Continue to Appendix G: Prior ontological commitment literature