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WIA-Opinmine System in NTCIR-8 MOAT Evaluation

Lanjun Zhou, Yunqing Xia, Binyang Li, Kam-Fai Wong
2010 NTCIR Conference on Evaluation of Information Access Technologies  
This paper presents WIA-Opinmine system developed by CUHK_Tsinghua Web Information Analysis (WIA) Virtual Research Center for NTCIR-8 MOAT Task. The system is deemed special due to three facts.  ...  The NTCIR8 evaluation results as well as the post-NTCIR8 results show that our system could effectively recognize relevance sentences, opinionated sentences and polarities.  ...  In addition, WIA-Opinmine system for NTCIR-8 is different with the system proposed in the previous NTCIR MOAT task [13, 14] in the following ways: (1) Lexicons used in NTCIR-7 MOAT [14, 15] are refined  ... 
dblp:conf/ntcir/ZhouXLW10 fatcat:meophbxyrjfbdlr5jpaefkngaa

Coarse-Fine Opinion Mining - WIA in NTCIR-7 MOAT Task

Ruifeng Xu, Kam-Fai Wong, Yunqing Xia
2008 NTCIR Conference on Evaluation of Information Access Technologies  
This paper presents an opinion analysis system developed by CUHK_PolyU_Tsinghua Web Information Analysis Group (WIA), namely WIA-Opinmine, for NTCIR-7 MOAT Task.  ...  Evaluations on NTCIR-7 MOAT Traditional Chinese and Simplified Chinese sides show that WIA-Opinmine achieves the best precisions performance in five subtasks and the best F performance in three subtasks  ...  Conclusions In this paper, we present WIA-Opinmine system in NTCIR-7 MOAT task. The system adopts a coast-fine analysis strategy in opinion mining.  ... 
dblp:conf/ntcir/XuWX08 fatcat:5mxvjyxs5zagbje5cevvlgqdiq