270 search results - page 42 / 54 » Idea: Efficient Evaluation of Access Control Constraints |
TMC
2008
13 years 7 months ago
2008
In this paper, we propose a new Medium Access Control (MAC) protocol for full exploitation of directional antennas in wireless networks. The protocol introduces a circular directio...
NOCS
2007
IEEE
14 years 1 months ago
2007
IEEE
The paper introduces Network-on-Chip (NoC) design methodology and low cost mechanisms for supporting efficient cache access and cache coherency in future high-performance Chip Mul...
IDEAS
2007
IEEE
14 years 1 months ago
2007
IEEE
Historically, bitmap indexing has provided an important database capability to accelerate queries. However, only a few database systems have implemented these indexes because of t...
EMSOFT
2010
Springer
13 years 5 months ago
2010
Springer
In the design of hard real-time systems, the feasibility of the task set is one of the primary concerns. However, in embedded systems with scarce resources, optimizing resource us...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
This paper investigates a class of transform queries proposed by XQuery Update [6]. A transform query is defined in terms of XML update syntax. When posed on an XML tree T, it ret...