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» Location-aware Query Processing and Optimization
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DEBU
2010
128views more  DEBU 2010»
14 years 6 months ago
Panda: A System for Provenance and Data
Panda (for Provenance and Data) is a new project whose goal is to develop a general-purpose system that unifies concepts from existing provenance systems and overcomes some limita...
Robert Ikeda, Jennifer Widom
104
Voted
SIGMOD
2012
ACM
202views Database» more  SIGMOD 2012»
12 years 12 months ago
MCJoin: a memory-constrained join for column-store main-memory databases
There exists a need for high performance, read-only mainmemory database systems for OLAP-style application scenarios. Most of the existing works in this area are centered around t...
Steven Keith Begley, Zhen He, Yi-Ping Phoebe Chen
DMDW
2000
93views Management» more  DMDW 2000»
14 years 10 months ago
Storing auxiliary data for efficient maintenance and lineage tracing of complex views
As views in a data warehouse become more complex, the view maintenance process can become very complicated and potentially very inefficient. Storing auxiliary views in the warehou...
Yingwei Cui, Jennifer Widom
IPPS
2009
IEEE
15 years 4 months ago
On the complexity of mapping pipelined filtering services on heterogeneous platforms
In this paper, we explore the problem of mapping filtering services on large-scale heterogeneous platforms. Two important optimization criteria should be considered in such a fra...
Anne Benoit, Fanny Dufossé, Yves Robert
DEBS
2003
ACM
15 years 2 months ago
MJoin: a metadata-aware stream join operator
Join algorithms must be re-designed when processing stream data instead of persistently stored data. Data streams are potentially infinite and the query result is expected to be ...
Luping Ding, Elke A. Rundensteiner, George T. Hein...