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134
Voted
CCS
2007
ACM
15 years 9 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
127
Voted
PVLDB
2010
15 years 1 months ago
2010
Large-scale data analysis has become increasingly important for many enterprises. Recently, a new distributed computing paradigm, called MapReduce, and its open source implementat...
121
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SAC
2003
ACM
15 years 8 months ago
2003
ACM
Software coordination models and languages describe how agents, resources and processes work together to implement a software system. One of their limitations is that they are use...
123
Voted
WWW
2009
ACM
16 years 4 months ago
2009
ACM
Web search engines often federate many user queries to relevant structured databases. For example, a product related query might be federated to a product database containing thei...
136
Voted
SAC
2008
ACM
15 years 2 months ago
2008
ACM
This paper introduces an approach to develop componentbased adaptive distributed applications. Our approach separates the communication and the functional aspects of a distributed...