Ontology

Ontology - A conceptualisation or specification of a knowledge domain. An ontology is a controlled vocabulary that describes objects and the relations between them in a formal way. It has a grammar for using the vocabulary terms to express something meaningful within a specified domain of interest.

[Category=Data Governance ]

Source: The Data Governance Institute, 17 December 2009 09:53:00, http://www.datagovernance.com/glossary-governance/

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Ontology - Description of the relationships between concepts, objects, and other entities within a given field.

[Category=Localization/Localisation ]

Source: Common Sense Advisory, 21 January 2010 09:46:40, http://www.commonsenseadvisory.com/Resources/Glossary/tabid/878/Default.aspx

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ontology - [social context of GIS] In computer science, a data model that represents a domain by detailing the entities that comprise it and the semantic relationships between them. Ontologies generally include individuals, classes, attributes and relations.

[Category=Geospatial ]

Source: esri, 25 June 2012 09:42:48, http://support.esri.com/en/knowledgebase/GISDictionary/term/abbreviation  

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Ontology – ontology represents knowledge as a set of concepts within a domain and the relationships between those concepts.

[Category=Big Data ]

Source: BigData-Startup, 08 October 2013 08:11:54, http://www.bigdata-startups.com/abc-big-data-glossary-terminology