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EDBT
2008
ACM
137views Database» more  EDBT 2008»
14 years 10 months ago
Optimizing away joins on data streams
Abstract. Monitoring aggregates on IP traffic data streams is a compelling application for data stream management systems. Often, such streaming aggregation queries involve joining...
Lukasz Golab, Theodore Johnson, Nick Koudas, Dives...
EDBT
2006
ACM
139views Database» more  EDBT 2006»
14 years 10 months ago
An Extensible, Distributed Simulation Environment for Peer Data Management Systems
Abstract. Peer Data Management Systems (PDMS) have recently attracted attention by the database community. One of the main challenges of this paradigm is the development and evalua...
Katja Hose, Andreas Job, Marcel Karnstedt, Kai-Uwe...
PODS
2004
ACM
120views Database» more  PODS 2004»
14 years 10 months ago
Locally Consistent Transformations and Query Answering in Data Exchange
Data exchange is the problem of taking data structured under a source schema and creating an instance of a target schema. Given a source instance, there may be many solutions ? ta...
Marcelo Arenas, Pablo Barceló, Ronald Fagin...
EDBT
2009
ACM
118views Database» more  EDBT 2009»
14 years 2 months ago
Flower-CDN: a hybrid P2P overlay for efficient query processing in CDN
Many websites with a large user base, e.g., websites of nonprofit organizations, do not have the financial means to install large web-servers or use specialized content distributi...
Manal El Dick, Esther Pacitti, Bettina Kemme
SIGMOD
2007
ACM
225views Database» more  SIGMOD 2007»
14 years 10 months ago
From complete to incomplete information and back
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
Lyublena Antova, Christoph Koch, Dan Olteanu