777 search results - page 74 / 156 » Optimization of Relational Preference Queries |
BDA
1993
13 years 11 months ago
1993
We show how structured data stored in files can benefit from standard database technology and in particular be queried and updated using database languages. We introduce the notio...
GECCO
2006
Springer
14 years 1 months ago
2006
Springer
This paper investigates reinforcement learning (RL) in XCS. First, it formally shows that XCS implements a method of generalized RL based on linear approximators, in which the usu...
PVLDB
2008
13 years 9 months ago
2008
Estimates of predicate selectivities by database query optimizers often differ significantly from those actually encountered during query execution, leading to poor plan choices a...
DASFAA
2004
IEEE
14 years 1 months ago
2004
IEEE
Abstract. The efficient management of interval sequences represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tr...
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ICDE
2008
IEEE
15 years 9 months ago
2008
IEEE
Recently, there has been much interest in processing skyline queries for various applications that include decision making, personalized services, and search pruning. Skyline queri...