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AFRIGRAPH
2001
ACM
13 years 11 months ago
Exploiting coherence of shadow rays
We present independent method to reduce the number of shadow ray tests. It can be used with standard acceleration ray tracing algorithms. Our method is conservative and produces t...
Andrzej Lukaszewski
IJCV
2008
155views more  IJCV 2008»
13 years 8 months ago
Fast Transformation-Invariant Component Analysis
For software and more illustrations: http://www.psi.utoronto.ca/anitha/fastTCA.htm Dimensionality reduction techniques such as principal component analysis and factor analysis are...
Anitha Kannan, Nebojsa Jojic, Brendan J. Frey
JASIS
2010
262views more  JASIS 2010»
13 years 6 months ago
New event detection and topic tracking in Turkish
Topic detection and tracking (TDT) applications aim to organize the temporally ordered stories of a news stream according to the events. Two major problems in TDT are new event de...
Fazli Can, Seyit Kocberber, Ozgur Baglioglu, Suley...
ACSAC
2010
IEEE
13 years 6 months ago
Comprehensive shellcode detection using runtime heuristics
A promising method for the detection of previously unknown code injection attacks is the identification of the shellcode that is part of the attack vector using payload execution....
Michalis Polychronakis, Kostas G. Anagnostakis, Ev...
DMDW
2000
161views Management» more  DMDW 2000»
13 years 9 months ago
View materialization for nested GPSJ queries
View materialization is a central issue in logical design of data warehouses since it is one of the most powerful techniques to improve the response to the workload. Most approach...
Matteo Golfarelli, Stefano Rizzi