Exploiting Syntactic and Semantic Information for Textual Similarity Estimation

Table 4

The performance of different tree kernels.

Dataset	STK	SSTK	PTK
MSRpar	62.1	62.5	64.3
MSRvid	76.8	76.4	80.6
SMTeuroparl	47.0	47.5	51.7
OnWN	67.1	66.3	68.8
SMTnews	50.9	50.1	53.2

Bold values denote the optimal results among the horizontal experimental results.