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» Problem Solving in the DISCO Constraint Database System
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ER
2006
Springer
137views Database» more  ER 2006»
15 years 1 months ago
Preference Functional Dependencies for Managing Choices
Abstract. The notion of user preference in database modeling has recently received much attention in advanced applications, such as personalization of e-services, since it captures...
Wilfred Ng
EDBT
2009
ACM
145views Database» more  EDBT 2009»
15 years 1 months ago
Interactive query refinement
We investigate the problem of refining SQL queries to satisfy cardinality constraints on the query result. This has applications to the many/few answers problems often faced by da...
Chaitanya Mishra, Nick Koudas
ICDE
2008
IEEE
219views Database» more  ICDE 2008»
15 years 11 months ago
Never Walk Alone: Uncertainty for Anonymity in Moving Objects Databases
Preserving individual privacy when publishing data is a problem that is receiving increasing attention. According to the k-anonymity principle, each release of data must be such th...
Osman Abul, Francesco Bonchi, Mirco Nanni
HYBRID
2009
Springer
15 years 4 months ago
Safe and Secure Networked Control Systems under Denial-of-Service Attacks
Abstract. We consider the problem of security constrained optimal control for discrete-time, linear dynamical systems in which control and measurement packets are transmitted over ...
Saurabh Amin, Alvaro A. Cárdenas, Shankar S...
ISCAS
2005
IEEE
179views Hardware» more  ISCAS 2005»
15 years 3 months ago
Robust stabilization of control systems using piecewise linear Lyapunov functions and evolutionary algorithm
— Piecewise linear Lyapunov functions are used to design control gain matrices so that closed systems are robust stable and attractive regions are expanded as large as possible i...
K. Tagawa, Y. Ohta