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ECIR
2009
Springer
14 years 4 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...
MM
2010
ACM
13 years 7 months ago
2010
ACM
The problem of joint modeling the text and image components of multimedia documents is studied. The text component is represented as a sample from a hidden topic model, learned wi...
INFOSCALE
2007
ACM
13 years 9 months ago
2007
ACM
We present a query-driven algorithm for the distributed indexing of large document collections within structured P2P networks. To cope with bandwidth consumption that has been ide...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
In a new model for answer retrieval, document collections are distilled offline into large repositories of facts. Each fact constitutes a potential direct answer to questions seek...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
We investigate the problem of determining the polarity of sentiments when one or more occurrences of a negation term such as “not” appear in a sentence. The concept of the sco...