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CCCG
2008
13 years 10 months ago
Data Structures for Range-Aggregate Extent Queries
We consider a generalization of geometric range searching, with the goal of generating an informative "summary" of the objects contained in a query range via the applica...
Ravi Janardan, Prosenjit Gupta, Yokesh Kumar, Mich...
SIGMOD
1999
ACM
181views Database» more  SIGMOD 1999»
14 years 23 days ago
Approximate Computation of Multidimensional Aggregates of Sparse Data Using Wavelets
Computing multidimensional aggregates in high dimensions is a performance bottleneck for many OLAP applications. Obtaining the exact answer to an aggregation query can be prohibit...
Jeffrey Scott Vitter, Min Wang
PAKDD
2009
ACM
96views Data Mining» more  PAKDD 2009»
14 years 3 months ago
Aggregated Subset Mining
The usual data mining setting uses the full amount of data to derive patterns for different purposes. Taking cues from machine learning techniques, we explore ways to divide the d...
Albrecht Zimmermann, Björn Bringmann
IJSNET
2006
107views more  IJSNET 2006»
13 years 8 months ago
In-network aggregation trade-offs for data collection in wireless sensor networks
This paper explores in-network aggregation as a power-efficient mechanism for collecting data in wireless sensor networks. In particular, we focus on sensor network scenarios wher...
Ignacio Solis, Katia Obraczka
TIME
2006
IEEE
14 years 2 months ago
How Would You Like to Aggregate Your Temporal Data?
Published in: Proceedings of the 13th International Symposium on Temporal Representation and Reasoning (TIME-06), Budapest, Hungary, June 2006. IEEE Computer Society Press. Real-w...
Michael H. Böhlen, Johann Gamper, Christian S...