5638 search results - page 24 / 1128 » On presence |
PODS
2005
ACM
14 years 9 months ago
2005
ACM
We study the satisfiability problem associated with XPath in the presence of DTDs. This is the problem of determining, given a query p in an XPath fragment and a DTD D, whether or...
EDBT
2006
ACM
14 years 9 months ago
2006
ACM
The problem of rewriting queries using views has received significant attention because of its applications in a wide variety of datamanagement problems. For select-project-join SQ...
SCALESPACE
2009
Springer
14 years 4 months ago
2009
Springer
Abstract. We wish to recover an image corrupted by blur and Gaussian or impulse noise, in a variational framework. We use two data-fidelity terms depending on the noise, and sever...
CISS
2008
IEEE
14 years 4 months ago
2008
IEEE
— In this paper, we study the problem of distributed detection in the presence of unknown carrier frequency offset (CFO) and initial phase, the issue we encounter in the emerging...
COMSWARE
2008
IEEE
14 years 4 months ago
2008
IEEE
—Presence technology is going to be an integral part of the next generation of communication technology. It can eliminate telephone tag between two parties (caller and callee), w...