Syntactic Verifier as a Filter to Compound Unit Recognizer
نویسندگان
چکیده
This paper describes the combination compound unit (CU) recognizer with syntactic verifier using partial parsing mechanism. The recognizer finds all the CUs, combined concept including collocations, idioms, and compound nouns, in input sentence. CU information reduces the search space of syntactic analysis and a portion of Part-Of-Speech (POS) ambiguities. Syntactic verification is to obtain precise CU recognition results by means of pruning wrongly recognized units that are caused by improper variable hypotheses. The experimental results show the precision of CU recognition is increased to 99.69% with 31 CFG rules on cyclic trie structure for 1,268 WSJ articles in the Penn Treebank. They also show CU recognition increases the understandability of translation for Web documents.
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