208 search results - page 17 / 42 » On monotone hull operations |
DOOD
1995
Springer
13 years 11 months ago
1995
Springer
Abstract. A simple model for method-based authorization is defined and an algorithm is presented for testing in compile-time whether a given database schema violates authorization...
HYBRID
2010
Springer
14 years 2 months ago
2010
Springer
We present computational techniques for automatically generating algebraic (polynomial equality) invariants for algebraic hybrid systems. Such systems involve ordinary differentia...
CORR
2000
Springer
13 years 7 months ago
2000
Springer
Abstract. We introduce a nonmonotonic framework for belief revision in which reasoning about the reliability of different pieces of information based on meta-knowledge about the in...
WPES
2003
ACM
14 years 19 days ago
2003
ACM
Hidden Credentials are useful in situations where requests for service, credentials, access policies and resources are extremely sensitive. We show how transactions which depend o...
SODA
2008
ACM
13 years 8 months ago
2008
ACM
We develop a framework for obtaining Fully Polynomial Time Approximation Schemes (FPTASs) for stochastic univariate dynamic programs with either convex or monotone single-period c...