Upper ontology
In information science, an upper ontology (also known as a top-level ontology or foundation ontology) is an ontology (in the sense used in information science) which describes very general concepts th...
Cyc
Cyc is an artificial intelligence project that attempts to assemble a comprehensive ontology and knowledge base of everyday common sense knowledge, with the goal of enabling AI applications to perform...
UMBEL
UMBEL, short for Upper Mapping and Binding Exchange Layer, is an extracted subset of OpenCyc, providing the Cyc data in an RDF ontology based on SKOS and OWL 2.UMBEL has two main functions:UMBEL is a ...
UMBEL - Wikipedia
Basic Formal Ontology
The Basic Formal Ontology (BFO) is a formal ontological framework developed by Barry Smith and his associates that consists in a series of sub-ontologies at different levels of granularity. The ontolo...
General formal ontology
The general formal ontology (GFO) is an upper ontology integrating processes and objects. GFO has been developed by Heinrich Herre, Barbara Heller and collaborators (research group Onto-Med) in Leipz...
General formal ontology - Wikipedia
WordNet
WordNet is a lexical database for the English language. It groups English words into sets of synonyms called synsets, provides short definitions and usage examples, and records a number of relations a...
Suggested Upper Merged Ontology
The Suggested Upper Merged Ontology or SUMO is an upper ontology intended as a foundation ontology for a variety of computer information processing systems. It was originally developed by the Teknowle...
Object-centered high-level reference ontology
The Object-Centered High-level REference ontology (OCHRE) is an upper ontology (top-level ontology, or foundation ontology), a formal ontological framework whose purpose is to describe very general co...