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186
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CCS
2009
ACM
16 years 7 months ago
2009
ACM
This paper proposes a D-algebra to compose decisions from multiple access control policies. Compared to other algebrabased approaches aimed at policy composition, D-algebra is the...
259
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SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
Large collections of documents are commonly created around a database, where a typical database schema may contain hundreds of tables and thousands of columns. We developed a syst...
185
Voted
EDBT
2010
ACM
16 years 1 months ago
2010
ACM
Querying non-conventional data is recognized as a major issue in new environments and applications such as those occurring in pervasive computing. A key issue is the ability to qu...
172
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CCS
2007
ACM
16 years 1 months ago
2007
ACM
In order to provide certified security services we must provide indicators that can measure the level of assurance that a complex business process can offer. Unfortunately the fo...
177
Voted
IUI
2005
ACM
16 years 20 days ago
2005
ACM
This paper reports on TaskTracer — a software system being designed to help highly multitasking knowledge workers rapidly locate, discover, and reuse past processes they used to...