NAIST at the HOO 2012 Shared Task
Keisuke Sakaguchi, Yuta Hayashibe, Shuhei Kondo, Lis Kanashiro, Tomoya Mizumoto, Mamoru Komachi, Yūji Matsumoto · 2012
and determiner errors with spelling correction as a pre-processing step. The result shows that spelling correction improves the Detection, Correction, and Recognition F-scores for preposition errors. With regard to preposition error correction, F-scores were not improved when using the training set with correction of all but preposition errors. As for determiner error correction, there was an improvement when the constituent parser was trained with a concatenation of treebank and modified treebank where all the articles appearing as the first word of an NP were removed. Our system ranked third in preposition and fourth in determiner error corrections. 1