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159
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IPM
2008
15 years 4 months ago
2008
Users enter queries that are short as well as long. The aim of this work is to evaluate techniques that can enable information retrieval (IR) systems to automatically adapt to per...
166
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CIKM
2010
Springer
15 years 3 months ago
2010
Springer
In Latent Semantic Indexing (LSI), a collection of documents is often pre-processed to form a sparse term-document matrix, followed by a computation of a low-rank approximation to...
242
Voted
ICDE
2009
IEEE
16 years 6 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-...
124
Voted
SIGIR
2004
ACM
15 years 10 months ago
2004
ACM
This paper investigates the level of metadata accuracy required for image filters to be valuable to users. Access to large digital image and video collections is hampered by ambig...
156
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CAIP
2007
Springer
15 years 8 months ago
2007
Springer
This paper presents a novel texture descriptor based on the wavelet transform. First, we will consider vertical and horizontal coefficients at the same position as the components o...