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153
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PODS
2003
ACM
157views Database» more  PODS 2003»
16 years 5 months ago
Algorithms for data migration with cloning
Our work is motivated by the problem of managing data on storage devices, typically a set of disks. Such high demand storage servers are used as web servers, or multimedia servers...
Samir Khuller, Yoo Ah Kim, Yung-Chun (Justin) Wan
WASA
2009
Springer
126views Algorithms» more  WASA 2009»
15 years 11 months ago
Data Collection with Multiple Sinks in Wireless Sensor Networks
In this paper, we consider Multiple-Sink Data Collection Problem in wireless sensor networks, where a large amount of data from sensor nodes need to be transmitted to one of multip...
Sixia Chen, Matthew Coolbeth, Hieu Dinh, Yoo-Ah Ki...
142
Voted
ICDT
2001
ACM
153views Database» more  ICDT 2001»
15 years 9 months ago
Estimating Range Queries Using Aggregate Data with Integrity Constraints: A Probabilistic Approach
In fast OLAP applications it is often advantageous to provide approximate answers to range queries in order to achieve very high performances. A possible solution is to inquire sum...
Francesco Buccafurri, Filippo Furfaro, Domenico Sa...
147
Voted
SCCC
2003
IEEE
15 years 10 months ago
Improved Deletions in Dynamic Spatial Approximation Trees
The Dynamic Spatial Approximation Tree (dsa–tree) is a recently proposed data structure for searching in metric spaces. It has been shown that it compares favorably against alte...
Gonzalo Navarro, Nora Reyes
EDBT
2006
ACM
154views Database» more  EDBT 2006»
15 years 8 months ago
Approximation Techniques to Enable Dimensionality Reduction for Voronoi-Based Nearest Neighbor Search
Utilizing spatial index structures on secondary memory for nearest neighbor search in high-dimensional data spaces has been the subject of much research. With the potential to host...
Christoph Brochhaus, Marc Wichterich, Thomas Seidl