16082 search results - page 2925 / 3217 » Fireworks Algorithm for Optimization |
196
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KDD
2004
ACM
16 years 7 months ago
2004
ACM
Abstract. Most existing search engines employ static ranking algorithms that do not adapt to the specific needs of users. Recently, some researchers have studied the use of clickth...
173
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STOC
2007
ACM
16 years 7 months ago
2007
ACM
We prove and extend a conjecture of Kempe, Kleinberg, and Tardos (KKT) on the spread of influence in social networks. A social network can be represented by a directed graph where...
212
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STOC
2005
ACM
16 years 7 months ago
2005
ACM
We study an extension of the "standard" learning models to settings where observing the value of an attribute has an associated cost (which might be different for differ...
273
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VLDB
2004
ACM
16 years 7 months ago
2004
ACM
Ranking queries produce results that are ordered on some computed score. Typically, these queries involve joins, where users are usually interested only in the top-k join results....
265
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VLDB
2007
ACM
16 years 7 months ago
2007
ACM
Although the presence of a schema enables many optimizations for operations on XML documents, recent studies have shown that many XML documents in practice either do not refer to ...