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» Efficient Query Processing in Large Traffic Networks
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SIGMOD
2007
ACM
136views Database» more  SIGMOD 2007»
14 years 8 months ago
Progressive optimization in a shared-nothing parallel database
Commercial enterprise data warehouses are typically implemented on parallel databases due to the inherent scalability and performance limitation of a serial architecture. Queries ...
Wook-Shin Han, Jack Ng, Volker Markl, Holger Kache...
PODS
2004
ACM
148views Database» more  PODS 2004»
14 years 8 months ago
Deterministic Wavelet Thresholding for Maximum-Error Metrics
Several studies have demonstrated the effectiveness of the wavelet decomposition as a tool for reducing large amounts of data down to compact wavelet synopses that can be used to ...
Minos N. Garofalakis, Amit Kumar
AMT
2010
Springer
302views Multimedia» more  AMT 2010»
13 years 10 months ago
Social Relation Based Search Refinement: Let Your Friends Help You!
One of the major problems for search at Web scale is that the search results on the large scale data might be huge and the users have to browse to find the most relevant ones. Plus...
Xu Ren, Yi Zeng, Yulin Qin, Ning Zhong, Zhisheng H...
CIKM
2006
Springer
14 years 12 days ago
Distributed spatio-temporal similarity search
In this paper we introduce the distributed spatio-temporal similarity search problem: given a query trajectory Q, we want to find the trajectories that follow a motion similar to ...
Demetrios Zeinalipour-Yazti, Song Lin, Dimitrios G...
WSCG
2001
97views more  WSCG 2001»
13 years 10 months ago
Parallel Ray Tracing with 5D Adaptive Subdivision
We present strategies for parallelising ray tracing based on 5D adaptive subdivision. Our goals are to obtain good speed-up and to efficiently balance the load between the process...
G. Simiakakis, Theoharis Theoharis, A. M. Day