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IS
2006
13 years 7 months ago
Processing approximate aggregate queries in wireless sensor networks
In-network data aggregation has been recently proposed as an effective means to reduce the number of messages exchanged in wireless sensor networks. Nodes of the network form an a...
Antonios Deligiannakis, Yannis Kotidis, Nick Rouss...
DBPL
2005
Springer
130views Database» more  DBPL 2005»
14 years 1 months ago
Complexity and Approximation of Fixing Numerical Attributes in Databases Under Integrity Constraints
Consistent query answering is the problem of computing the answers from a database that are consistent with respect to certain integrity constraints that the database as a whole ma...
Leopoldo E. Bertossi, Loreto Bravo, Enrico Francon...
SCN
2010
Springer
143views Communications» more  SCN 2010»
13 years 5 months ago
History-Free Aggregate Message Authentication Codes
Aggregate message authentication codes, as introduced by Katz and Lindell (CT-RSA 2008), combine several MACs into a single value, which has roughly the same size as an ordinary MA...
Oliver Eikemeier, Marc Fischlin, Jens-Fabian G&oum...
WEBI
2001
Springer
13 years 12 months ago
Knowledge-Based Validation, Aggregation, and Visualization of Meta-data: Analyzing a Web-Based Information System
As meta-data become of ever more importance to the Web, we will need to start managing such meta-data. We argue that there is a strong need for meta-data validation and aggregation...
Heiner Stuckenschmidt, Frank van Harmelen
SSD
2007
Springer
171views Database» more  SSD 2007»
14 years 1 months ago
Transformation of Continuous Aggregation Join Queries over Data Streams
We address continuously processing an aggregation join query over data streams. Queries of this type involve both join and aggregation operations, with windows specified on join ...
Tri Minh Tran, Byung Suk Lee