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» Aggregate Functions in DLV
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SIROCCO
2007
13 years 10 months ago
Data Aggregation in Sensor Networks: Balancing Communication and Delay Costs
In a sensor network the sensors, or nodes, obtain data and have to communicate these data to a central node. Because sensors are battery powered they are highly energy constrained....
Peter Korteweg, Alberto Marchetti-Spaccamela, Leen...
IJCAI
2003
13 years 10 months ago
Visual Programming of Web Data Aggregation Applications
Most of the information needs today can be satisfied by searching and browsing the Web. However, repetitive tasks such as monitoring information on Web sites should be done autom...
Robert Baumgartner, Georg Gottlob, Marcus Herzog
SDM
2009
SIAM
164views Data Mining» more  SDM 2009»
14 years 5 months ago
Time-Decayed Correlated Aggregates over Data Streams.
Data stream analysis frequently relies on identifying correlations and posing conditional queries on the data after it has been seen. Correlated aggregates form an important examp...
Graham Cormode, Srikanta Tirthapura, Bojian Xu
SIGECOM
2010
ACM
152views ECommerce» more  SIGECOM 2010»
14 years 1 months ago
Information aggregation in smooth markets
Recent years have seen extensive investigation of the information aggregation properties of prediction markets. However, relatively little is known about conditions under which a ...
Krishnamurthy Iyer, Ramesh Johari, Ciamac Cyrus Mo...
BNCOD
2003
138views Database» more  BNCOD 2003»
13 years 10 months ago
Aggregate Table-Driven Querying via Navigation Ontologies in Distributed Statistical Databases
In this paper we describe a query paradigm based on ontologies, aggregate table-driven querying and expansion of QBE. It has two novel features: visually specifying aggregate table...
Yaxin Bi, David A. Bell, Joanne Lamb