276 search results - page 8 / 56 » Defining and computing accessibility radius |
XMLSEC
2003
ACM
14 years 28 days ago
2003
ACM
Authorization systems today are increasingly complex. They span domains of administration, rely on many different authentication sources, and manage permissions that can be as com...
PODS
2004
ACM
14 years 7 months ago
2004
ACM
We study the problem of answering queries over sources with limited access patterns. Given a first-order query Q, the problem is to decide whether there is an equivalent query whi...
MONET
2006
13 years 7 months ago
2006
The Open Spectrum approach to spectrum access can achieve near-optimal utilization by allowing devices to sense and utilize available spectrum opportunistically. However, a naive d...
STTT
2008
13 years 7 months ago
2008
Abstract. Managing access control policies in modern computer systems can be challenging and error-prone. Combining multiple disparate access policies can introduce unintended cons...
ICRA
1999
IEEE
13 years 12 months ago
1999
IEEE
In this paper we propose a new model for gripping parts with an industrial parallel-jaw gripper. In contrast to many previous models, we use two grip points and define candidate g...