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ICDE
1994
IEEE
108views Database» more  ICDE 1994»
12 years 5 days ago
Performing Group-By before Join
Weipeng P. Yan, Per-Åke Larson
ICDE
2004
IEEE
120views Database» more  ICDE 2004»
12 years 9 months ago
Minimization and Group-By Detection for Nested XQueries
We describe and evaluate a query minimization technique that applies to XQueries, which are nested, perform arbitrary joins, and freely mix bag and set semantics. These features c...
Alin Deutsch, Yannis Papakonstantinou, Yu Xu
VLDB
1994
ACM
114views Database» more  VLDB 1994»
12 years 4 days ago
Including Group-By in Query Optimization
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
Surajit Chaudhuri, Kyuseok Shim
ICDE
2009
IEEE
194views Database» more  ICDE 2009»
12 years 9 months ago
Top-k Set Similarity Joins
Abstract-- Similarity join is a useful primitive operation underlying many applications, such as near duplicate Web page detection, data integration, and pattern recognition. Tradi...
Chuan Xiao, Wei Wang 0011, Xuemin Lin, Haichuan Sh...
TPCTC
2010
Springer
147views Hardware» more  TPCTC 2010»
11 years 2 months ago
Assessing and Optimizing Microarchitectural Performance of Event Processing Systems
Abstract. Event Processing (EP) systems are being progressively used in business critical applications in domains such as algorithmic trading, supply chain management, production m...
Marcelo R. N. Mendes, Pedro Bizarro, Paulo Marques
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