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VLDB
1997
ACM
97views Database» more  VLDB 1997»
15 years 1 months ago
The Complexity of Transformation-Based Join Enumeration
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...
Arjan Pellenkoft, César A. Galindo-Legaria,...
ECRIME
2007
15 years 1 months ago
Evaluating a trial deployment of password re-use for phishing prevention
We propose a scheme that exploits scale to prevent phishing. We show that while stopping phishers from obtaining passwords is very hard, detecting the fact that a password has bee...
Dinei A. F. Florêncio, Cormac Herley
KDD
2010
ACM
293views Data Mining» more  KDD 2010»
15 years 1 months ago
BioSnowball: automated population of Wikis
Internet users regularly have the need to find biographies and facts of people of interest. Wikipedia has become the first stop for celebrity biographies and facts. However, Wik...
Xiaojiang Liu, Zaiqing Nie, Nenghai Yu, Ji-Rong We...
ICIP
1997
IEEE
15 years 1 months ago
Object Based Video with Progressive Foreground
A novel algorithm is described for coding objects in video compression systems which gives complete control over the bit allocation to the video objects. The method is evaluated b...
Donald M. Monro, Huijuan Li, J. A. Nicholls
SIGGRAPH
1995
ACM
15 years 1 months ago
A realistic camera model for computer graphics
Most recent rendering research has concentrated on two subproblems: modeling the reflection of light from materials, and calculating the direct and indirect illumination from lig...
Craig E. Kolb, Don P. Mitchell, Pat Hanrahan