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» A Rule System for Querying Persistent RDFS Data
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EDBTW
2006
Springer
13 years 11 months ago
Dynamic Plan Migration for Snapshot-Equivalent Continuous Queries in Data Stream Systems
A data stream management system executes a large number of continuous queries in parallel. As stream characteristics and query workload change over time, the plan initially install...
Jürgen Krämer, Yin Yang, Michael Cammert...
SEBD
2004
143views Database» more  SEBD 2004»
13 years 8 months ago
The coDB Robust Peer-to-Peer Database System
In this paper we give an overview of the coDB semantically well-founded P2P DB system. A network of databases, possibly with different schemas, are interconnected by means of GLAV ...
Enrico Franconi, Gabriel M. Kuper, Andrei Lopatenk...
BDA
2007
13 years 9 months ago
Querying and Aggregating Visible and Hidden Data Without Leaks
Imagine that you have been entrusted with private data, such as corporate product information, sensitive government information, or symptom and treatment information about hospita...
Nicolas Anciaux, Mehdi Benzine, Luc Bouganim, Phil...
CORR
2002
Springer
187views Education» more  CORR 2002»
13 years 7 months ago
Answer Sets for Consistent Query Answering in Inconsistent Databases
A relational database is inconsistent if it does not satisfy a given set of integrity constraints. Nevertheless, it is likely that most of the data in it is consistent with the co...
Marcelo Arenas, Leopoldo E. Bertossi, Jan Chomicki
MDM
2001
Springer
13 years 12 months ago
Towards Sensor Database Systems
Sensor networks are being widely deployed for measurement, detection and surveillance applications. In these new applications, users issue long-running queries over a combination o...
Philippe Bonnet, Johannes Gehrke, Praveen Seshadri