Concrete Models and Empirical Evaluations for the Categorical Compositional Distributional Model of Meaning Edward Grefenstette author Mehrnoosh Sadrzadeh author 2015-03 text journal article Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal grefenstette-sadrzadeh-2015-concrete 10.1162/COLI_a_00209 https://aclanthology.org/J15-1004/ 2015-03 41 1 71 118