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SIGIR
2008
ACM
14 years 9 months ago
2008
ACM
Efficient similarity search in high-dimensional spaces is important to content-based retrieval systems. Recent studies have shown that sketches can effectively approximate L1 dist...
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CIKM
2011
Springer
13 years 9 months ago
2011
Springer
A continuous top-k query retrieves the k most preferred objects in a data stream according to a given preference function. These queries are important for a broad spectrum of appl...
SIGIR
2008
ACM
14 years 9 months ago
2008
ACM
Negative relevance feedback is a special case of relevance feedback where we do not have any positive example; this often happens when the topic is difficult and the search result...
JCDL
2004
ACM
15 years 3 months ago
2004
ACM
Today people typically read and annotate printed documents even if they are obtained from electronic sources like digital libraries. If there is a reason for them to share these p...
CORR
2002
Springer
14 years 9 months ago
2002
Springer
Recommender systems attempt to reduce information overload and retain customers by selecting a subset of items from a universal set based on user preferences. While research in rec...