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» A geometric approach to aggregation
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COR
2006
93views more  COR 2006»
13 years 7 months ago
Data envelopment analysis for weight derivation and aggregation in the analytic hierarchy process
Data envelopment analysis (DEA) is proposed in this paper to generate local weights of alternatives from pair-wise comparison judgment matrices used in the analytic hierarchy proc...
Ramakrishnan Ramanathan
EDBT
2010
ACM
184views Database» more  EDBT 2010»
14 years 2 months ago
Aggregation of asynchronous electric power consumption time series knowing the integral
More and more data mining algorithms are applied to a large number of long time series issued by many distributed sensors. The consequence of the huge volume of data is that data ...
Raja Chiky, Laurent Decreusefond, Georges Hé...
DASFAA
2006
IEEE
134views Database» more  DASFAA 2006»
14 years 1 months ago
Authentication of Outsourced Databases Using Signature Aggregation and Chaining
Database outsourcing is an important emerging trend which involves data owners delegating their data management needs to an external service provider. Since a service provider is a...
Maithili Narasimha, Gene Tsudik
PODS
1999
ACM
151views Database» more  PODS 1999»
13 years 12 months ago
Exact and Approximate Aggregation in Constraint Query
We investigate the problem of how to extend constraint query languages with aggregate operators. We deal with standard relational aggregation, and also with aggregates speci c to ...
Michael Benedikt, Leonid Libkin
SENSYS
2006
ACM
14 years 1 months ago
Scalable data aggregation for dynamic events in sensor networks
Computing and maintaining network structures for efficient data aggregation incurs high overhead for dynamic events where the set of nodes sensing an event changes with time. Mor...
Kai-Wei Fan, Sha Liu, Prasun Sinha