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In March 2022 the NPCMJ has now been updated with over 23,000 new sentences. The total size now is approximately 90,000 sentences (90,000 trees).

In March 2021 the NPCMJ has now been updated with over 26,000 new sentences. The total size now is approximately 67,000 sentences (67,000 trees).

The NPCMJ has now been updated with over 10,000 new sentences.

The NPCMJ has now been updated with over 10,000 new sentences, corrections in annotation, and an improved interface, including a clearer search syntax and a faster search function.

NPCMJ Interface has been updated with new functions and data has been updated with corrections.

We are pleased to announce that the National Institute for Japanese Language and Linguistics (NINJAL) will host an International Symposium, “Exploiting Parsed Corpora: Applications in Research, Pedagogy, and Processing” Dec 9-10, 2017 in Tachikawa, Tokyo. Topics to be covered include the development and enrichment of parsed corpora, linguistic research using parsed corpora, and the application of parsed corpora to language pedagogy. Invited speakers are leaders in the field, including Susan Pintzuk, Anthony Kroch, Beatrice Santorini, Sean Wallis, Nianwen Xue, and Liesbeth Augustinus. A poster session is also planned. Those interested in presenting a poster, please send a one-page abstract to corpora_applications@ninjal.ac.jp by 1 October 2017. Notification of acceptance will be

We have signed an MOU with NTT Communication Science Laboratories in March 2017.

We have signed an MOU with University of Colorado in January 2017.

We have signed an MOU with Brandeis University in December 2016.

We have signed an MOU with the Department of Language and Linguistic Science, University of York in July 2016.