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» Containment of Aggregate Queries
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ECAL
2007
Springer
14 years 4 months ago
A Computational System for Investigating Chemotaxis-Based Cell Aggregation
Abstract. We have developed a software system that simulates chemotaxis-based cell aggregation in 2D. The model implemented within the system consists of such cell behaviors as che...
Manolya Eyiyurekli, Peter I. Lelkes, David E. Bree...
DKE
2000
75views more  DKE 2000»
13 years 10 months ago
Range queries in dynamic OLAP data cubes
A range query applies an aggregation operation (e.g., SUM) over all selected cells of an OLAP data cube where the selection is speci
Weifa Liang, Hui Wang, Maria E. Orlowska
SDM
2009
SIAM
164views Data Mining» more  SDM 2009»
14 years 7 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
ICDE
2004
IEEE
140views Database» more  ICDE 2004»
14 years 11 months ago
Approximate Aggregation Techniques for Sensor Databases
In the emerging area of sensor-based systems, a significant challenge is to develop scalable, fault-tolerant methods to extract useful information from the data the sensors collec...
Jeffrey Considine, Feifei Li, George Kollios, John...
EDBT
2004
ACM
187views Database» more  EDBT 2004»
14 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...