362 search results - page 64 / 73 » An access control model for simplifying constraint expressio... |
IPSN
2010
Springer
13 years 9 months ago
2010
Springer
The IEEE 802.15.4 standard for wireless sensor networks can support energy efficient, reliable, and timely packet transmission by tuning the medium access control parameters macMi...
GLOBECOM
2007
IEEE
14 years 1 months ago
2007
IEEE
—We consider the situation where N nodes share a common access point. With each node i there is an associated buffer and channel state that change in time. Node i dynamically cho...
WIOPT
2006
IEEE
14 years 1 months ago
2006
IEEE
— This paper presents the first analytical model for ad hoc networks equipped with multiple-input multiple-output (MIMO) radios using space-time coding (STC) that considers the ...
ICDE
2007
IEEE
14 years 1 months ago
2007
IEEE
Separation of duties (SoD) is a key security requirement for many business and information systems. Role Based Access Controls (RBAC) is a relatively new paradigm for protecting i...
DAGSTUHL
2007
13 years 9 months ago
2007
rocesses involve modeling – simplifying or abstracting some aspects of the problem domain in order to plan and evaluate design decisions. The use of representations to reason abo...