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Text corpora (singular: text corpus) are large and structured sets of texts, which have been systematically collected.Text corpora are used by both AI developers to train large language models and corpus linguists and within other branches of linguistics for statistical analysis, hypothesis testing, finding patterns of language use, investigating language change and variation, and teaching ...
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.
When the language of the corpus is not a working language of the researchers who use it, interlinear glossing is used to make the annotation bilingual. Some corpora have further structured levels of analysis applied. In particular, smaller corpora may be fully parsed. Such corpora are usually called Treebanks or Parsed Corpora. The difficulty ...
The Survey of English Usage Corpus was used in the development of one of the most important Corpus-based Grammars, which was written by Quirk et al. and published in 1985 as A Comprehensive Grammar of the English Language. [9] The Brown Corpus has also spawned a number of similarly structured corpora: the LOB Corpus (1960s British English ...
Over time, many further corpora were produced (such as the British National Corpus and the LOB Corpus) and work had begun also on corpora of larger sizes and covering other languages than English. This development was linked with the emergence of corpus creation tools that help achieve larger size, wider coverage, cleaner data etc.
Pages for logged out editors learn more. Contributions; Talk; COCA: Corpus of Contemporary American English
Each corpus contains one million words in 500 texts of 2000 words, [7] following the sampling methodology used for the Brown Corpus.Unlike Brown or the Lancaster-Oslo-Bergen (LOB) Corpus (or indeed mega-corpora such as the British National Corpus), however, the majority of texts are derived from spoken data.
The Bank of English totals 650 million running words. [1] Copies of the corpus are held both at HarperCollins Publishers and the University of Birmingham. The version at Birmingham can be accessed for academic research. The Bank of English forms part of the Collins Word Web together with the French, German and Spanish corpora.