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ECIR
2004
Springer
15 years 1 months ago
Improving Retrieval Effectiveness by Reranking Documents Based on Controlled Vocabulary
Abstract. There is a common availability of classification terms in online text collections and digital libraries, such as manually assigned keywords or key-phrases from a controll...
Jaap Kamps
SIGIR
2002
ACM
14 years 11 months ago
Language model for IR using collection information
In this paper, we explored how to use meta-data information in information retrieval task. We presented a new language model that is able to take advantage of the category informa...
Rong Jin, Luo Si, Alexander G. Hauptmann, James P....
SIGIR
2009
ACM
15 years 6 months ago
Smoothing clickthrough data for web search ranking
Incorporating features extracted from clickthrough data (called clickthrough features) has been demonstrated to significantly improve the performance of ranking models for Web sea...
Jianfeng Gao, Wei Yuan, Xiao Li, Kefeng Deng, Jian...
WWW
2001
ACM
16 years 14 days ago
Interactive Web Search by Graphical Query Refinement
We propose a new Web search system that helps users clarify their information needs through interaction. The system represents the user's information needs using a query grap...
Junji Tomita, Gen-ichiro Kikui
CLEF
2007
Springer
15 years 6 months ago
Towards Annotation-Based Query and Document Expansion for Image Retrieval
Abstract. In this paper we report results of experiments conducted with strategies for improving text-based image retrieval. The adopted strategies were evaluated in the photograph...
Hugo Jair Escalante, Carlos A. Hernández, A...