The Computational Linguistics journal is the primary archival forum for research on computational linguistics and natural language processing. The journal, sponsored by the Association for Computational Linguistics, has been published for the ACL by MIT Press since 1988, and has been Open Access since the beginning of 2009. All issues published by MIT Press are freely available to all at the official MIT Press website for the journal. Issues prior to 1988, as well as the issues published by MIT Press, are also available via the ACL Anthology.