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CALCO
2005
Springer
114views Mathematics» more  CALCO 2005»
14 years 3 months ago
Towards a Coalgebraic Semantics of the Ambient Calculus
Recently, various process calculi have been introduced which are suited for the modelling of mobile computation and in particular the mobility of program code; a prominent example ...
Daniel Hausmann, Till Mossakowski, Lutz Schrö...
ICALP
2005
Springer
14 years 3 months ago
Hadamard Tensors and Lower Bounds on Multiparty Communication Complexity
We develop a new method for estimating the discrepancy of tensors associated with multiparty communication problems in the “Number on the Forehead” model of Chandra, Furst and...
Jeff Ford, Anna Gál
ICALP
2005
Springer
14 years 3 months ago
Quantum Complexity of Testing Group Commutativity
We consider the problem of testing the commutativity of a black-box group specified by its k generators. The complexity (in terms of k) of this problem was first considered by Pa...
Frédéric Magniez, Ashwin Nayak
ICALP
2005
Springer
14 years 3 months ago
Hierarchical Group Signatures
We introduce the notion of hierarchical group signatures. This is a proper generalization of group signatures, which allows multiple group managers organized in a tree with the si...
Mårten Trolin, Douglas Wikström
ICTAC
2005
Springer
14 years 3 months ago
Representation and Reasoning on RBAC: A Description Logic Approach
Abstract. Role-based access control (RBAC) is recognized as an excellent model for access control in large-scale networked applications. Formalization of RBAC in a logical approach...
Chen Zhao, NuerMaimaiti Heilili, Shengping Liu, Zu...