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» The Case for Grounding Databases
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PODS
2010
ACM
232views Database» more  PODS 2010»
15 years 11 months ago
Optimal sampling from distributed streams
A fundamental problem in data management is to draw a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With large, streamin...
Graham Cormode, S. Muthukrishnan, Ke Yi, Qin Zhang
EDBT
2010
ACM
185views Database» more  EDBT 2010»
16 years 1 months ago
Optimizing joins in a map-reduce environment
Implementations of map-reduce are being used to perform many operations on very large data. We examine strategies for joining several relations in the map-reduce environment. Our ...
Foto N. Afrati, Jeffrey D. Ullman
MMM
2005
Springer
115views Multimedia» more  MMM 2005»
16 years 3 days ago
Interoperability and Multimedia Archives
In distributed computing systems, it is unwise to move data to the point of program code, but instead process data at the point of storage. This concept is even more appropriate t...
Dalen Kambur, Damir Becarevic, Mark Roantree
ER
2004
Springer
106views Database» more  ER 2004»
15 years 12 months ago
Use of Tabular Analysis Method to Construct UML Sequence Diagrams
A sequence diagram in UML is used to model interactions among objects that participate in a use case. Developing a sequence diagram is complex; our experience shows that novice dev...
Margaret Hilsbos, Il-Yeol Song
ICAIL
1999
ACM
15 years 10 months ago
Generating exception structures for legal information serving
More and more legal information is available in electronic form, but traditional retrieval mechanisms are insufficient to answer questions and legal problems of most users. In the...
Radboud Winkels, D. J. B. Bosscher, A. W. F. Boer,...