Exploring Topic Coherence over Many Models and Many Topics Keith Stevens author Philip Kegelmeyer author David Andrzejewski author David Buttler author 2012-07 text Proceedings of the 2012 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning Jun’ichi Tsujii editor James Henderson editor Marius Paşca editor Association for Computational Linguistics Jeju Island, Korea conference publication stevens-etal-2012-exploring https://aclanthology.org/D12-1087/ 2012-07 952 961