Co-occurrence

In linguistics, co-occurrence or cooccurrence is an above-chance frequency of ordered occurrence of two adjacent terms in a text corpus. Co-occurrence in this linguistic sense can be interpreted as an indicator of semantic proximity or an idiomatic expression. Corpus linguistics and its statistic analyses reveal patterns of co-occurrences within a language and enable to work out typical collocations for its lexical items. A co-occurrence restriction is identified when linguistic elements never occur together. Analysis of these restrictions can lead to discoveries about the structure and development of a language.^[1]

Co-occurrence can be seen an extension of word counting in higher dimensions. Co-occurrence can be quantitatively described using measures like correlation or mutual information.

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Distributional hypothesis

Statistical semantics

Idiom (language structure)

Co-occurrence matrix

Co-occurrence networks

Similarity measure

Dice coefficient

Bordag, Stefan (2008). . pp. 52–63. CiteSeerX 10.1.1.471.5863.

"A Comparison of Co-occurrence and Similarity Measures as Simulations of Context"

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