8724 search results - page 349 / 1745 » Search result diversification |
199
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ER
2008
Springer
15 years 8 months ago
2008
Springer
The existing approaches of keyword search over relational databases always identify the relationships between tuples on the fly, which are rather inefficient as such relational rel...
206
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ICWS
2010
IEEE
15 years 8 months ago
2010
IEEE
Web services are becoming prevalent nowadays. Finding desired Web services is becoming an emergent and challenging research problem. In this paper, we present WSExpress (Web Servi...
188
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NIPS
2007
15 years 8 months ago
2007
Planning in partially observable environments remains a challenging problem, despite significant recent advances in offline approximation techniques. A few online methods have a...
170
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AAAI
2006
15 years 8 months ago
2006
People frequently use the world-wide web to find their most preferred item among a large range of options. We call this task preference-based search. The most common tool for pref...
188
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AAAI
2000
15 years 8 months ago
2000
Reinforcement learning (RL) can be impractical for many high dimensional problems because of the computational cost of doing stochastic search in large state spaces. We propose a ...