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In corpus linguistics, a collocation is a series of words or terms that co-occur more often than would be expected by chance. In phraseology , a collocation is a type of compositional phraseme , meaning that it can be understood from the words that make it up.
Collocation extraction is the task of using a computer to extract collocations automatically from a corpus. The traditional method of performing collocation extraction is to find a formula based on the statistical quantities of those words to calculate a score associated to every word pairs.
A word sketch triple is a triple consisting of headword, grammatical relation, collocation (e.g. man, modifier, young).Considering an underlying text corpus, a word sketch quintuple is a quintuple consisting of headword, grammatical relation, collocation, position of headword in the corpus, position of collocation in the corpus (e.g. man, modifier, young, 104, 103).
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.
Compounds are units of meaning formed with two or more words. The words are usually written separately, but some may be hyphenated or be written as one word. Often the meaning of the compound can be guessed by knowing the meaning of the individual words. It is not always simple to detach collocations and compounds. car park; post office; narrow ...
The Corpus of Contemporary American English (COCA) is composed of one billion words as of November 2021. [1] [2] [4] The corpus is constantly growing: In 2009 it contained more than 385 million words; [5] in 2010 the corpus grew in size to 400 million words; [6] by March 2019, [7] the corpus had grown to 560 million words.
1st edition: Includes 75,000 collocations, 80,000 examples, 7,000 synonyms and antonyms, academic words list, academic collocations list (2,500 most frequent collocations based on analysis of the Pearson International Corpus of Academic English). 1-year subscription includes additional collocations and synonyms, interactive exercises. [11]
In computational linguistics, PMI has been used for finding collocations and associations between words. For instance, countings of occurrences and co-occurrences of words in a text corpus can be used to approximate the probabilities p ( x ) {\displaystyle p(x)} and p ( x , y ) {\displaystyle p(x,y)} respectively.