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NTT's Question Answering System for NTCIR-6 QAC-4

Ryuichiro Higashinaka, Hideki Isozaki
2007 NTCIR Conference on Evaluation of Information Access Technologies  
The experimental results show that our system is effective for 'why ' and 'definition' questions.  ...  For 'why' questions, hand-crafted rules were used in previous work for answer candidate extraction [5] . However, such rules greatly depend on developers' intuition and are costly to make.  ...  Summary We presented the overview of NTT's Question Answering System for QAC-4.  ... 
dblp:conf/ntcir/HigashinakaI07 fatcat:7zin5u2epfdonkbnevwgo2jwfi