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WWW
2011
ACM
14 years 4 months ago
2011
ACM
We investigate the problem of learning to rank for document retrieval from the perspective of learning with multiple objective functions. We present solutions to two open problems...
WWW
2009
ACM
15 years 10 months ago
2009
ACM
General image retrieval is often carried out by a text-based search engine, such as Google Image Search. In this case, natural language queries are used as input to the search eng...
SIGIR
2004
ACM
15 years 3 months ago
2004
ACM
This paper presents a new dependence language modeling approach to information retrieval. The approach extends the basic language modeling approach based on unigram by relaxing th...
CIKM
2007
Springer
15 years 1 months ago
2007
Springer
How to improve search accuracy for difficult topics is an underaddressed, yet important research question. In this paper, we consider a scenario when the search results are so poo...
SIGIR
2008
ACM
14 years 9 months ago
2008
ACM
Research articles typically introduce new results or findings and relate them to knowledge entities of immediate relevance. However, a large body of context knowledge related to t...