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» A genetic approach for random testing of database systems
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VLDB
2004
ACM
104views Database» more  VLDB 2004»
14 years 4 months ago
Remembrance of Streams Past: Overload-Sensitive Management of Archived Streams
This paper studies Data Stream Management Systems that combine real-time data streams with historical data, and hence access incoming streams and archived data simultaneously. A s...
Sirish Chandrasekaran, Michael J. Franklin
MSS
2005
IEEE
97views Hardware» more  MSS 2005»
14 years 4 months ago
Richer File System Metadata Using Links and Attributes
Traditional file systems provide a weak and inadequate structure for meaningful representations of file interrelationships and other context-providing metadata. Existing designs...
Alexander Ames, Carlos Maltzahn, Nikhil Bobb, Etha...
KDD
2008
ACM
174views Data Mining» more  KDD 2008»
14 years 11 months ago
Automatic identification of quasi-experimental designs for discovering causal knowledge
Researchers in the social and behavioral sciences routinely rely on quasi-experimental designs to discover knowledge from large databases. Quasi-experimental designs (QEDs) exploi...
David D. Jensen, Andrew S. Fast, Brian J. Taylor, ...
SIGMOD
1998
ACM
96views Database» more  SIGMOD 1998»
14 years 2 months ago
Wavelet-Based Histograms for Selectivity Estimation
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
Yossi Matias, Jeffrey Scott Vitter, Min Wang
EDBT
2009
ACM
131views Database» more  EDBT 2009»
14 years 1 months ago
Sample synopses for approximate answering of group-by queries
With the amount of data in current data warehouse databases growing steadily, random sampling is continuously gaining in importance. In particular, interactive analyses of large d...
Philipp Rösch, Wolfgang Lehner