期刊名称：Conference on European Chapter of the Association for Computational Linguistics (EACL)
出版年度：2011
卷号：2011
出版社：ACL Anthology
摘要：We introduce synchronous tree adjoining
grammars (TAG) into tree-to-string translation,
which converts a source tree to a target
string. Without reconstructing TAG derivations
explicitly, our rule extraction algorithm
directly learns tree-to-string rules from
aligned Treebank-style trees. As tree-to-string
translation casts decoding as a tree parsing
problem rather than parsing, the decoder still
runs fast when adjoining is included. Less
than 2 times slower, the adjoining tree-tostring
system improves translation quality by
+0.7 BLEU over the baseline system only allowing
for tree substitution on NIST Chinese-
English test sets.
