10392 search results - page 1745 / 2079 » Introduction to Computer Science |
149
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ECIR
2009
Springer
16 years 3 months ago
2009
Springer
Abstract. In this paper, we examine a number of newly applied methods for combining pre-retrieval query performance predictors in order to obtain a better prediction of the queryâ€...
158
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ECIR
2009
Springer
16 years 3 months ago
2009
Springer
The aim of query-based sampling is to obtain a sufficient, representative sample of an underlying (text) collection. Current measures for assessing sample quality are too coarse gr...
177
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ECIR
2009
Springer
16 years 3 months ago
2009
Springer
In this paper, we study how to automatically exploit visual concepts in a text-based image retrieval task. First, we use Forest of Fuzzy Decision Trees (FFDTs) to automatically ann...
197
Voted
ECIR
2009
Springer
16 years 3 months ago
2009
Springer
Abstract. Learning ranking functions is crucial for solving many problems, ranging from document retrieval to building recommendation systems based on an individual user’s prefer...
130
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ECIR
2009
Springer
16 years 3 months ago
2009
Springer
We describe two user studies that investigate organization strategies of autocompletion in a known-item search task: searching for terms taken from a thesaurus. In Study 1, we expl...