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» Join operations in temporal databases
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202
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SIGMOD
2009
ACM
250views Database» more  SIGMOD 2009»
15 years 10 months ago
Query processing techniques for solid state drives
Solid state drives perform random reads more than 100x faster than traditional magnetic hard disks, while offering comparable sequential read and write bandwidth. Because of their...
Dimitris Tsirogiannis, Stavros Harizopoulos, Mehul...
88
Voted
EDBT
2004
ACM
147views Database» more  EDBT 2004»
15 years 9 months ago
Projection Pushing Revisited
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...
Benjamin J. McMahan, Guoqiang Pan, Patrick Porter,...
166
Voted
ICDE
2003
IEEE
144views Database» more  ICDE 2003»
15 years 11 months ago
Flux: An Adaptive Partitioning Operator for Continuous Query Systems
The long-running nature of continuous queries poses new scalability challenges for dataflow processing. CQ systems execute pipelined dataflows that may be shared across multiple q...
Mehul A. Shah, Joseph M. Hellerstein, Sirish Chand...
ISCI
2002
130views more  ISCI 2002»
14 years 9 months ago
A study of object declustering strategies in parallel temporal object database systems
In a transaction-time temporal object database management system (TODBMS), updating an object creates a new version of the object, but the old version is still accessible. A TODBM...
Kjetil Nørvåg
PODS
2005
ACM
128views Database» more  PODS 2005»
15 years 9 months ago
Operator placement for in-network stream query processing
In sensor networks, data acquisition frequently takes place at lowcapability devices. The acquired data is then transmitted through a hierarchy of nodes having progressively incre...
Utkarsh Srivastava, Kamesh Munagala, Jennifer Wido...