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CCS
2007
ACM
15 years 6 months ago
Efficient policy analysis for administrative role based access control
Administrative RBAC (ARBAC) policies specify how Role-Based Access Control (RBAC) policies may be changed by each administrator. It is often difficult to fully understand the effe...
Scott D. Stoller, Ping Yang, C. R. Ramakrishnan, M...
CPM
2004
Springer
107views Combinatorics» more  CPM 2004»
15 years 5 months ago
Sorting by Reversals in Subquadratic Time
The problem of sorting a signed permutation by reversals is inspired by genome rearrangements in computational molecular biology. Given two genomes represented as two signed permut...
Eric Tannier, Marie-France Sagot
ICALP
2009
Springer
16 years 2 months ago
Universal Succinct Representations of Trees?
Abstract. We consider the succinct representation of ordinal and cardinal trees on the RAM with logarithmic word size. Given a tree T, our representations support the following ope...
Arash Farzan, Rajeev Raman, S. Srinivasa Rao
BMCBI
2008
71views more  BMCBI 2008»
15 years 2 months ago
A tale of two symmetrical tails: Structural and functional characteristics of palindromes in proteins
Background: It has been previously shown that palindromic sequences are frequently observed in proteins. However, our knowledge about their evolutionary origin and their possible ...
Armita Sheari, Mehdi Kargar, Ali Katanforoush, Sha...
PODC
2009
ACM
16 years 2 months ago
Randomized mutual exclusion in O(log N / log log N) RMRs
d Abstract] Danny Hendler Department of Computer-Science Ben-Gurion University hendlerd@cs.bgu.ac.il Philipp Woelfel Department of Computer-Science University of Calgary woelfel@cp...
Danny Hendler, Philipp Woelfel