ACL Anthology Reference Corpus

The ACL Anthology Reference Corpus (ACL ARC) is a text corpus consisting of conference and journal papers in natural language processing and computational linguistics. The corpus was prepared from papers of the ACL Anthology, up to February 2007, containing 10,921 articles.

The abbreviation ACL refers to The Association for Computational Linguistics, international scientific and professional society for people working on computational linguistics or natural language processing (NLP). The association was founded in 1962, see more information at

Part-of-speech tagset

The corpus was tagged with the TreeTagger tool using the Penn TreeBank tagset.

Tools work with the ACL Anthology Reference Corpus

A complete set of Sketch Engine tools is available to work with this English corpus to generate:

  • word sketch – English collocations categorized by grammatical relations
  • thesaurus – synonyms and similar words for every word
  • word lists – lists of English nouns, verbs, adjectives etc. organized by frequency
  • n-grams – frequency list of multi-word units
  • concordance – examples in context
  • trends– diachronic analysis automatically identifies neologisms and changes in use


Bird, S., Dale, R., Dorr, B. J., Gibson, B. R., Joseph, M. T., Kan, M. Y., … & Tan, Y. F. (2008, May). The ACL Anthology Reference Corpus: A Reference Dataset for Bibliographic Research in Computational Linguistics. In LREC.

Search the ACL Anthology Reference Corpus

Sketch Engine offers a range of tools to work with this English corpus.


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