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[Understandable but with some grammatical missteps] Indexing languages are a subset of natural languages. These languages, used to describe documents, are part of the information science techniques. The goal is to represent information in such a way as to improve the retrieval of relevant documents.
There are several types of indexing languages. The oldest are library classifications and subject headings. In recent times, Information Technology developments and changes in information needs have generated new indexing languages.
Indexing languages are concerned with two factors:
Types of Indexing languages
The Thesaurus as a reference modelA Thesurus is a prototypical indexing language. A thesaurus is structured as a semantic network limited to a domain. This network is composed of nodes, and each node represents a concept. This is an agreed language, with shared definitions in the domain. It is controlled in the sense that only terms in the thesaurus can be used to describe a resource. This principle guarantees uniqueness in the concept-term relationship. As a tool to control terminology it has the following term types:
References
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Jorge Morato (5/11/2009)
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