It is a tool which studies how meaning of English words differs according to provided context. This is achieved by analysis of phraseological patterns and collocations. You can found a few uncommon phrases, for example figurative usages, as well. Thanks to CPA an unique collection of samples of creative language use is building up. The data source for analysis is the British National Corpus.
The main output of CPA is Pattern Dictionary of English Verbs (PDEV), which should become a fundamental resource for use in computational linguistics, language teaching, and cognitive science. CPA editor is a part of the PDEV platform.
The CPA’s entry manager retrieves entries details and displays them in a table, which is capable of sorting to columns and filtering. Each entry includes information about the default text in the corpus, frequency in the annotated concordance, and more.
Development of the tool was done by Natural Language Processing Centre at the Faculty of Informatics, Masaryk University, Brno.
The tool is available for public here.