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A semantic network is one way to formally represent human knowledge as a web of interconnected concepts and relations. Typically, the network is made up of labeled nodes, with directed, labeled links between the nodes. The labels can be ordinary words, concepts, or codes that make up the semantic aspect of the network. The term semantic network dates back to early work on artificial intelligence and automated translation in the 1960s, but the same idea was used much earlier by philosophers, psychologists, and linguists for classification, logic reasoning, and grammar. Today, semantic networks are but one of many methods underlying the development of geospatial ontologies, that is, formalized specifications of geographic knowledge.

Since a semantic network describes and stores meaning by linking words together using specified ...

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