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» Mutating database queries
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121
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ICDE
2006
IEEE
213views Database» more  ICDE 2006»
15 years 8 months ago
Optimization of Complex Nested Queries in Relational Databases
Due to the flexible structures of SQL, no general approach works efficiently for all kinds of queries. Some special kinds of queries can be further optimized for better performa...
Bin Cao
122
Voted
SIGMOD
2002
ACM
172views Database» more  SIGMOD 2002»
16 years 2 months ago
Automating physical database design in a parallel database
Physical database design is important for query performance in a shared-nothing parallel database system, in which data is horizontally partitioned among multiple independent node...
Jun Rao, Chun Zhang, Nimrod Megiddo, Guy M. Lohman
PODS
2004
ACM
131views Database» more  PODS 2004»
16 years 2 months ago
On the Decidability of Containment of Recursive Datalog Queries - Preliminary report
The problem of deciding query containment has important applications in classical query optimization and heterogeneous database systems. Query containment is undecidable for unres...
Piero A. Bonatti
151
Voted
EDBT
2012
ACM
255views Database» more  EDBT 2012»
13 years 4 months ago
Top-k spatial keyword queries on road networks
With the popularization of GPS-enabled devices there is an increasing interest for location-based queries. In this context, one interesting problem is processing top-k spatial key...
João B. Rocha-Junior, Kjetil Nørv&ar...
183
Voted
SIGMOD
2012
ACM
275views Database» more  SIGMOD 2012»
13 years 4 months ago
Computational reproducibility: state-of-the-art, challenges, and database research opportunities
Computational experiments have become an integral part of the scientific method, but reproducing, archiving, and querying them is still a challenge. The first barrier to a wider...
Juliana Freire, Philippe Bonnet, Dennis Shasha