ICTNET at Web Track 2009 Diversity Track
نویسندگان
چکیده
We (ICTNET team) participated in Web Track of TREC2009, and in this paper, we summarize our work on Diversity task of Web Track, which is new in this year. The goal of the diversity task is to return a ranked list of pages that together provide complete coverage for a query, while avoiding excessive redundancy in the result list. For this task, we cluster the results of ad hoc task, and rerank the results depend on subtopics docs covers. Besides, we introduce two methods which tried to find the implicit subtopic by using the docs returned from commerce search engine.
منابع مشابه
ICTNET at Web Track 2010 Diversity Task
In this paper, our team – “ICTNET”, participated in the diversity task of Web Track of TREC 2010. The full Category A dataset was used. The same settings as the ad-hoc task were adopted for retrieval. Different clustering methods which were then applied on different fields are elaborated. Query expansion techniques are presented next.
متن کاملICTNET at Web Track 2012 Diversity Task
In this paper, we report our experiments at Diversity task, Web Track 2012. In this year, we attempt to use query expansion and topic model such as LDA [5] to get subtopics. And an model based on xQuAD [10] was used to re-rank the ad-hoc search results.
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