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ADBIS
2009
Springer
140views Database» more  ADBIS 2009»
15 years 11 months ago
Optimizing Maintenance of Constraint-Based Database Caches
Abstract. Caching data reduces user-perceived latency and often enhances availability in case of server crashes or network failures. DB caching aims at local processing of declarat...
Joachim Klein 0002, Susanne Braun
ICDE
2007
IEEE
117views Database» more  ICDE 2007»
16 years 6 months ago
Unnesting Scalar SQL Queries in the Presence of Disjunction
Optimizing nested queries is an intricate problem. It becomes even harder if in a nested query the linking predicate or the correlation predicate occurs disjunctively. We present ...
Matthias Brantner, Norman May, Guido Moerkotte
SIGMOD
2008
ACM
198views Database» more  SIGMOD 2008»
16 years 5 months ago
Efficient storage scheme and query processing for supply chain management using RFID
As the size of an RFID tag becomes smaller and the price of the tag gets lower, RFID technology has been applied to a wide range of areas. Recently, RFID has been adopted in the b...
Chun-Hee Lee, Chin-Wan Chung
VLDB
1999
ACM
89views Database» more  VLDB 1999»
15 years 9 months ago
Physical Data Independence, Constraints, and Optimization with Universal Plans
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
Alin Deutsch, Lucian Popa, Val Tannen
ICCBR
2003
Springer
15 years 10 months ago
SOFT-CBR: A Self-Optimizing Fuzzy Tool for Case-Based Reasoning
A generic Case-Based Reasoning tool has been designed, implemented, and successfully used in two distinct applications. SOFT-CBR can be applied to a wide range of decision problems...
Kareem S. Aggour, Marc Pavese, Piero P. Bonissone,...