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PEPM
2010
ACM
14 years 4 months ago
Optimizing relational algebra operations using generic equivalence discriminators and lazy products
We show how to efficiently evaluate generic map-filter-product queries, generalizations of select-project-join (SPJ) queries in relational algebra, based on a combination of two...
Fritz Henglein
ICCV
2001
IEEE
14 years 9 months ago
Performance Evaluation of Stereo for Tele-presence
In an immersive tele-presence environment a 3D remote real scene is projected from the viewpoint of the local user. This 3D world is acquired through stereo reconstruction at the ...
Jane Mulligan, Volkan Isler, Konstantinos Daniilid...

Book
19360views
15 years 6 months ago
Numerical Recipes in C
C code implementation of several math algorithms such as Linear Algebraic Equations, Interpolation and Extrapolation, Integration of Functions, Evaluation of Functions, Random Num...
William H. Press, Saul A. Teukolsky, William T. Ve...
ICDT
2010
ACM
180views Database» more  ICDT 2010»
14 years 4 months ago
Foundations of SPARQL Query Optimization
We study fundamental aspects related to the efficient processing of the SPARQL query language for RDF, proposed by the W3C to encode machine-readable information in the Semantic W...
Michael Schmidt, Michael Meier, Georg Lausen
CCS
2007
ACM
14 years 1 months ago
Direct static enforcement of high-level security policies
A high-level security policy states an overall safety requirement for a sensitive task. One example of a high-level security policy is a separation of duty policy, which requires ...
Qihua Wang, Ninghui Li