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131
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EDBT
2008
ACM
16 years 4 months ago
2008
ACM
Enterprises may have multiple database systems spread across the organization for redundancy or for serving different applications. In such systems, query workloads can be distrib...
166
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WSDM
2010
ACM
16 years 1 months ago
2010
ACM
Knowledge-sharing communities like Wikipedia and automated extraction methods like those of DBpedia enable the construction of large machine-processible knowledge bases with relat...
137
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MIR
2010
ACM
15 years 11 months ago
2010
ACM
Over the last few years, social network systems have greatly increased users’ involvement in online content creation and annotation. Since such systems usually need to deal with...
134
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GECCO
2009
Springer
15 years 11 months ago
2009
Springer
In this paper we propose to use a distance metric based on user-preferences to efficiently find solutions for manyobjective problems. We use a particle swarm optimization (PSO) a...
137
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SIGIR
2009
ACM
15 years 11 months ago
2009
ACM
Pseudo-relevance feedback (PRF) via query-expansion has been proven to be effective in many information retrieval (IR) tasks. In most existing work, the top-ranked documents from...