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» Constraint Databases: A Survey
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SIGMOD
2002
ACM
129views Database» more  SIGMOD 2002»
15 years 10 months ago
Best-effort cache synchronization with source cooperation
In environments where exact synchronization between source data objects and cached copies is not achievable due to bandwidth or other resource constraints, stale (out-of-date) cop...
Chris Olston, Jennifer Widom
PODS
2005
ACM
129views Database» more  PODS 2005»
15 years 10 months ago
Regular rewriting of active XML and unambiguity
We consider here the exchange of Active XML (AXML) data, i.e., XML documents where some of the data is given explicitly while other parts are given only intensionally as calls to ...
Serge Abiteboul, Tova Milo, Omar Benjelloun
EDBT
2004
ACM
187views Database» more  EDBT 2004»
15 years 10 months ago
Hierarchical In-Network Data Aggregation with Quality Guarantees
Earlier work has demonstrated the effectiveness of in-network data aggregation in order to minimize the amount of messages exchanged during continuous queries in large sensor netwo...
Antonios Deligiannakis, Yannis Kotidis, Nick Rouss...
EDBT
2006
ACM
120views Database» more  EDBT 2006»
15 years 10 months ago
Query Planning in the Presence of Overlapping Sources
Navigational queries on Web-accessible life science sources pose unique query optimization challenges. The objects in these sources are interconnected to objects in other sources, ...
Jens Bleiholder, Samir Khuller, Felix Naumann, Lou...
EDBT
2008
ACM
137views Database» more  EDBT 2008»
15 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...