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» Managing Expressions as Data in Relational Database Systems
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CIKM
2009
Springer
15 years 4 months ago
Diverging patterns: discovering significant frequency change dissimilarities in large databases
In this paper, we present a framework for mining diverging patterns, a new type of contrast patterns whose frequency changes significantly differently in two data sets, e.g., it c...
Aijun An, Qian Wan, Jiashu Zhao, Xiangji Huang
MDM
2005
Springer
117views Communications» more  MDM 2005»
16 years 5 days ago
Tuning query performance in mobile sensor databases
In this paper we propose a query-driven approach for tuning the time/energy trade-off in sensor networks with mobile sensors. The tuning factors include re-positioning of mobile s...
Vladimir Zadorozhny, Divyasheel Sharma, Prashant K...
SIGMOD
2003
ACM
162views Database» more  SIGMOD 2003»
16 years 6 months ago
DBGlobe: a service-oriented P2P system for global computing
The challenge of peer-to-peer computing goes beyond simple file sharing. In the DBGlobe project, we view the multitude of peers carrying data and services as a superdatabase. Our ...
Evaggelia Pitoura, Serge Abiteboul, Dieter Pfoser,...
SIGOPSE
2004
ACM
16 years 3 days ago
Lessons and challenges in automating data dependability
Abstract: Designing and managing dependable systems is a difficult endeavor. In this paper, we describe challenges in this vast problem space, including provisioning and allocatin...
Kimberly Keeton, Dirk Beyer 0002, Jeffrey S. Chase...
ICDT
2010
ACM
180views Database» more  ICDT 2010»
15 years 10 months ago
Composing local-as-view mappings: closure and applications
Schema mapping composition is a fundamental operation in schema management and data exchange. The mapping composition problem has been extensively studied for a number of mapping ...
Patricia C. Arocena, Ariel Fuxman, Renée J....