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SIGIR
2010
ACM
13 years 6 months ago
2010
ACM
We introduce in this paper the family of information-based models for ad hoc information retrieval. These models draw their inspiration from a long-standing hypothesis in IR, name...
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
We consider the problem of efficiently computing weighted proximity best-joins over multiple lists, with applications in information retrieval and extraction. We are given a multi-...
SIGIR
2012
ACM
11 years 10 months ago
2012
ACM
Positional ranking functions, widely used in web search engines, improve result quality by exploiting the positions of the query terms within documents. However, it is well known ...
EWCBR
2008
Springer
13 years 10 months ago
2008
Springer
Abstract. Effective encoding of information is one of the keys to qualitative problem solving. Our aim is to explore Knowledge representation techniques that capture meaningful wor...
SIGIR
2006
ACM
14 years 2 months ago
2006
ACM
We introduce a novel approach to combining rankings from multiple retrieval systems. We use a logistic regression model or an SVM to learn a ranking from pairwise document prefere...