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PODS
2005
ACM
104views Database» more  PODS 2005»
14 years 7 months ago
Views and queries: determinacy and rewriting
We investigate the question of whether a query can be answered using a set V of views. We first define the problem in information-theoretic terms: we say that V determines if V pr...
Luc Segoufin, Victor Vianu
EDBT
2002
ACM
139views Database» more  EDBT 2002»
14 years 7 months ago
Aggregate Processing of Planar Points
Abstract. Aggregate window queries return summarized information about objects that fall inside a query rectangle (e.g., the number of objects instead of their concrete ids). Tradi...
Yufei Tao, Dimitris Papadias, Jun Zhang
ICDE
2010
IEEE
198views Database» more  ICDE 2010»
14 years 7 months ago
Q-Cop: Avoiding Bad Query Mixes to Minimize Client Timeouts Under Heavy Loads
In three-tiered web applications, some form of admission control is required to ensure that throughput and response times are not significantly harmed during periods of heavy load....
Sean Tozer, Tim Brecht, Ashraf Aboulnaga
ICDE
2009
IEEE
121views Database» more  ICDE 2009»
14 years 2 months ago
Scalability for Virtual Worlds
— Networked virtual environments (net-VEs) are the next wave of digital entertainment, with Massively Multiplayer Online Games (MMOs) a very popular instance. Current MMO archite...
Nitin Gupta 0003, Alan J. Demers, Johannes Gehrke,...
ISVC
2009
Springer
14 years 2 months ago
Reconstruction of Facial Shape from Freehand Multi-viewpoint Snapshots
We propose a method that can reconstruct both a 3D facial shape and camera poses from freehand multi-viewpoint snapshots. This method is based on Active Shape Model (ASM) using a f...
Seiji Suzuki, Hideo Saito, Masaaki Mochimaru