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SIGMOD
1996
ACM
109views Database» more  SIGMOD 1996»
14 years 2 days ago
Improved Histograms for Selectivity Estimation of Range Predicates
Many commercial database systems maintain histograms to summarize the contents of relations and permit efficient estimation of query result sizes and access plan costs. Although s...
Viswanath Poosala, Yannis E. Ioannidis, Peter J. H...
ICEBE
2005
IEEE
96views Business» more  ICEBE 2005»
14 years 1 months ago
Adding Physical Optimization to Cost Models in Information Mediators
Optimization of execution plans in information mediators is a critical task, specially when sources are remote and semistructured, as in the case of transactional web sites. Lack ...
Justo Hidalgo, Alberto Pan, José Losada, Ma...
ISMAR
2009
IEEE
14 years 2 months ago
Using AR to support cross-organisational collaboration in dynamic tasks
This paper presents a study where Augmented Reality (AR) technology has been used as a tool for supporting collaboration between the rescue services, the police and military perso...
Susanna Nilsson, Björn J. E. Johansson, Arne ...
CVPR
2008
IEEE
14 years 10 months ago
Action recognition using ballistic dynamics
We present a Bayesian framework for action recognition through ballistic dynamics. Psycho-kinesiological studies indicate that ballistic movements form the natural units for human...
Shiv Naga Prasad Vitaladevuni, Vili Kellokumpu, La...
IAT
2010
IEEE
13 years 6 months ago
Selecting Operator Queries Using Expected Myopic Gain
When its human operator cannot continuously supervise (much less teleoperate) an agent, the agent should be able to recognize its limitations and ask for help when it risks making...
Robert Cohn, Michael Maxim, Edmund H. Durfee, Sati...