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SEC
2000
13 years 10 months ago
2000
: Role-based access control associates roles with privileges and users with roles. Changes to these associations are infrequent and explicit. This may not reflect business requirem...
DAGSTUHL
1993
13 years 10 months ago
1993
In this paper we present a type system for graph rewrite systems: uniqueness typing. It employs usage information to deduce whether an object is `unique' at a certain moment,...
CCCG
1994
13 years 10 months ago
1994
We consider bounding the cardinality of an arbitrary triangulation with smallest angle : We show that if the local feature size (i.e. distance between disjoint vertices or edges) ...
ECSCW
1993
13 years 10 months ago
1993
: We present a spatial model of group interaction in virtual environments. The model aims to provide flexible and natural support for managing conversations among large groups gath...
DAGSTUHL
1994
13 years 10 months ago
1994
Abstract. Rampart is a toolkit of protocols to facilitate the development of high-integrity services, i.e., distributed services that retain their availability and correctness desp...