Parsing Model for Answer Extraction in Chinese Question Answering System

摘要

This paper presents a novel approach to answer extraction in Chinese Question Answering (QA) system. An extended lexicalized context-free grammar parser is used for question and answer understanding, the exact answer is extracted with the clue of named entity (NE) and question classification (QC). It shows that the performance of QA will be greatly improved with more comprehensive language understanding technologies.