7352 search results - page 1206 / 1471 » Universal access to information |
187
click to vote
EDBT
2006
ACM
16 years 6 months ago
2006
ACM
Abstract. Many different index structures have been proposed for spatial databases to support efficient query processing. However, most of these index structures suffer from an exp...
217
click to vote
MOBIHOC
2002
ACM
16 years 6 months ago
2002
ACM
This paper presents a new carrier sensing mechanism called DVCS (Directional Virtual Carrier Sensing) for wireless communication using directional antennas. DVCS does not require ...
170
click to vote
SODA
2010
ACM
16 years 4 months ago
2010
ACM
We address the vexing issue of deletions in balanced trees. Rebalancing after a deletion is generally more complicated than rebalancing after an insertion. Textbooks neglect delet...
179
click to vote
ALT
2008
Springer
16 years 3 months ago
2008
Springer
In numerous application areas fast growing data sets develop with ever higher complexity and dynamics. A central challenge is to filter the substantial information and to communic...
197
click to vote
WWW
2010
ACM
16 years 1 months ago
2010
ACM
The Open Government Directive is making US government data available via websites such as Data.gov for public access. In this paper, we present a Semantic Web based approach that ...