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» Approximation Techniques for Spatial Data
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SI3D
2006
ACM
15 years 10 months ago
View-dependent precomputed light transport using nonlinear Gaussian function approximations
We propose a real-time method for rendering rigid objects with complex view-dependent effects under distant all-frequency lighting. Existing precomputed light transport approaches...
Paul Green, Jan Kautz, Wojciech Matusik, Fré...
FOCS
2005
IEEE
15 years 10 months ago
How to Pay, Come What May: Approximation Algorithms for Demand-Robust Covering Problems
Robust optimization has traditionally focused on uncertainty in data and costs in optimization problems to formulate models whose solutions will be optimal in the worstcase among ...
Kedar Dhamdhere, Vineet Goyal, R. Ravi, Mohit Sing...
VLDB
2006
ACM
190views Database» more  VLDB 2006»
16 years 4 months ago
Online summarization of dynamic time series data
Managing large-scale time series databases has attracted significant attention in the database community recently. Related fundamental problems such as dimensionality reduction, tr...
Ümit Y. Ogras, Hakan Ferhatosmanoglu
PVLDB
2010
151views more  PVLDB 2010»
15 years 3 months ago
A Generic Framework for Handling Uncertain Data with Local Correlations
Data uncertainty is ubiquitous in many real-world applications such as sensor/RFID data analysis. In this paper, we investigate uncertain data that exhibit local correlations, tha...
Xiang Lian, Lei Chen 0002
150
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CIKM
2006
Springer
15 years 6 months ago
Processing relaxed skylines in PDMS using distributed data summaries
Peer Data Management Systems (PDMS) are a natural extension of heterogeneous database systems. One of the main tasks in such systems is efficient query processing. Insisting on co...
Katja Hose, Christian Lemke, Kai-Uwe Sattler