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NEXTI at NTCIR-12 IMine-2 Task

Hidetsugu Nanba, Tetsuya Sakai, Noriko Kando, Atsushi Keyaki, Koji Eguchi, Kenji Hatano, Toshiyuki Shimizu, Yu Hirate, Atsushi Fujii
2016 NTCIR Conference on Evaluation of Information Access Technologies  
Our group NEXTI participated in the Query Understanding subtask for Japanese. We extracted subtopic candidates from retrieved web documents.  ...  We believe that the relations between words in a document should be taken into account in some way, and that the IMine-2 task is a good starting point to address this challenge.  ...  To collect these patterns, we used NTCIR-11 IMine data [Liu 2014 ]. First, we retrieved 500 web documents for each topic using Google.  ... 
dblp:conf/ntcir/NanbaSKKEHSHF16 fatcat:5jbptcspovb75fjnaagjogsipa