TREC-10 Experiments at CAS-ICT: Filtering, Web and QA
نویسندگان
چکیده
CAS-ICT took part in the TREC conference for the first time this year. We have participated in three tracks of TREC-10. For adaptive filtering track, we paid more attention to feature selection and profile adaptation. For web track, we tried to integrate different ranking methods to improve system performance. For QA track, we focused on question type identification, named entity tagging and answer matching. This paper describes our methods in detail.
منابع مشابه
TREC 11 Experiments at CAS-ICT: Filtering and Web
CAS-ICT took part in the TREC conference for the second time this year and we undertook two tracks of TREC-11. For filtering track, we have submitted results of all three subtasks. In adaptive filtering, we paid more attention to undetermined documents processing, profile building and adaptation. In batch filtering and routing, a centroid-based classifier is used with preprocessed samples. For ...
متن کاملTREC 2004 Web Track Experiments at CAS-ICT
This report presents CAS-ICT’s experiments on the Mixed query task of the TREC2004 Web track. Our work focused on combining different Web page evidences together to improve the overall retrieval performance. Four kinds of evidences, including body content(C), anchor texts (AT), basic structural information (S0) and extended structural information (S1) were considered for retrieval. Six combinat...
متن کاملSCAI TREC-8 Experiments
This working note reports our experiences with TREC-8 on four tracks: Ad Hoc, Filtering, Web, and QA. The Ad Hoc retrieval engine, SCAIR, has been used for the Web and QA experiments, and the ltering experiments were based on it's own engine. As a second entry to TREC, we focused this year on exploring possibilities of applying machine learning techniques to TREC tasks. The Ad Hoc track employe...
متن کاملExperiments in TREC 2007 Blog Opinion Task at CAS-ICT
This paper describes our participation in TREC 2007 Blog Track Tasks: Opinion retrieval and Polarity classification. As for Opinion retrieval task, a two-step approach is used to retrieve opinion relevant blog unit (that is blog post and its comments) given a query after filtering Spam blog and extracting blog unit. With Polarity Classification, Drag-push [1] based classifier is employed to get...
متن کاملICT Experiments in TREC 11 QA Main Task
This is the second time we participate in the TREC-QA track. We put emphasis on candidate passage ranking and answer matching. As to named entity tagging, we applied the latest version of GATE and did some succeeding work aiming at our goal. This paper presents our methods in detail.
متن کامل