Sciweavers

2024 search results - page 20 / 405
» A Logic Based Approach for Dynamic Access Control
Sort
View
JIPS
2010
152views more  JIPS 2010»
13 years 2 months ago
Medium Access Control with Dynamic Frame Length in Wireless Sensor Networks
Wireless sensor networks consist of sensor nodes which are expected to be battery-powered and are hard to replace or recharge. Thus, reducing the energy consumption of sensor nodes...
Dae-Suk Yoo, Seung Sik Choi
ICRA
2002
IEEE
168views Robotics» more  ICRA 2002»
14 years 13 days ago
A Dynamical Systems Approach to Behavior-Based Formation Control
Dynamical systems theory is used here as a theoretical language and tool to design a distributed control archictecture that generates navigation in formation, integrated with obst...
Sergio Monteiro, Estela Bicho
DBSEC
2008
188views Database» more  DBSEC 2008»
13 years 9 months ago
On the Formal Analysis of a Spatio-temporal Role-Based Access Control Model
With the growing use of wireless networks and mobile devices, we are moving towards an era where spatial and temporal information will be necessary for access control. The use of s...
Manachai Toahchoodee, Indrakshi Ray
ICFEM
2007
Springer
14 years 1 months ago
Formal Engineering of XACML Access Control Policies in VDM++
We present a formal, tool-supported approach to the design and maintenance of access control policies expressed in the eXtensible Access Control Markup Language (XACML). Our aim is...
Jeremy Bryans, John S. Fitzgerald
COMPSAC
2004
IEEE
13 years 11 months ago
A Novel Key Management Scheme for Dynamic Access Control in a User Hierarchy
Considering the solution of dynamic access problems in a user hierarchy, a novel scheme based on one-way hash function is proposed to manage the cryptographic keys in the paper. T...
Tzer-Shyong Chen, Yu-Fang Chung, Chang-Sin Tian