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» Conditioning Probabilistic Databases
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ICPR
2004
IEEE
16 years 10 days ago
An Iris Image Synthesis Method Based on PCA and Super-Resolution
It is very important for the performance evaluation of iris recognition algorithms to construct very large iris databases. However, limited by the real conditions, there are no ve...
Jiali Cui, JunZhou Huang, Tieniu Tan, Yunhong Wang...
PODS
2008
ACM
123views Database» more  PODS 2008»
15 years 11 months ago
Evaluating rank joins with optimal cost
In the rank join problem, we are given a set of relations and a scoring function, and the goal is to return the join results with the top K scores. It is often the case in practic...
Karl Schnaitter, Neoklis Polyzotis
ICDT
2007
ACM
107views Database» more  ICDT 2007»
15 years 5 months ago
Some Algorithmic Improvements for the Containment Problem of Conjunctive Queries with Negation
Query containment is a fundamental problem of databases. Given two queries q1 and q2, it asks whether the set of answers to q1 is included in the set of answers to q2 for any datab...
Michel Leclère, Marie-Laure Mugnier
PODS
2000
ACM
112views Database» more  PODS 2000»
15 years 3 months ago
Auditing Boolean Attributes
We study the problem of auditing databases which support statistical sum queries to protect the security of sensitive information; we focus on the special case in which the sensit...
Jon M. Kleinberg, Christos H. Papadimitriou, Prabh...
NDSS
1999
IEEE
15 years 3 months ago
PGRIP: PNNI Global Routing Infrastructure Protection
We describe a system for achieving PNNI (Private Network-Network Interface) Global Routing Infrastructure Protection (PGRIP). We give details of PGRIP's system-level design a...
Sabrina De Capitani di Vimercati, Patrick Lincoln,...