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SIGMOD
2008
ACM
193views Database» more  SIGMOD 2008»
16 years 4 months ago
ARCube: supporting ranking aggregate queries in partially materialized data cubes
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
Tianyi Wu, Dong Xin, Jiawei Han
DAIS
2007
15 years 5 months ago
Scalable Processing of Context Information with COSMOS
Abstract. Ubiquitous computing environments are characterised by a high number of heterogenous devices that generate a huge amount of context data. These data are used, for example...
Denis Conan, Romain Rouvoy, Lionel Seinturier
ENVSOFT
2006
117views more  ENVSOFT 2006»
15 years 4 months ago
Land information system: An interoperable framework for high resolution land surface modeling
Knowledge of land surface water, energy, and carbon conditions are of critical importance due to their impact on many real world applications such as agricultural production, wate...
Sujay V. Kumar, Christa D. Peters-Lidard, Yudong T...
ICIP
2005
IEEE
16 years 6 months ago
Non-parametric image super-resolution using multiple images
In this paper, we present a novel learning based framework for performing super-resolution using multiple images. We model the image as an undirected graphical model over image pa...
Mithun Das Gupta, ShyamSundar Rajaram, Nemanja Pet...
CGI
2003
IEEE
15 years 9 months ago
Ray Tracing Height Fields
We present a novel surface reconstruction algorithm which can directly reconstruct surfaces with different levels of smoothness in one framework from height fields using 3D discr...
Huamin Qu, Feng Qiu, Nan Zhang 0011, Arie E. Kaufm...