2827 search results - page 519 / 566 » Robustness of PSPACE-complete sets |
STOC
2001
ACM
14 years 9 months ago
2001
ACM
The dynamic behavior of a network in which information is changing continuously over time requires robust and efficient mechanisms for keeping nodes updated about new information. ...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
The rich dependency structure found in the columns of real-world relational databases can be exploited to great advantage, but can also cause query optimizers--which usually assum...
EDBT
2002
ACM
14 years 9 months ago
2002
ACM
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
PERCOM
2006
ACM
14 years 8 months ago
2006
ACM
We propose several localized sensor area coverage protocols, for arbitrary ratio of sensing and transmission radii. Sensors are assumed to be time synchronized, and active sensors...
MOBIHOC
2005
ACM
14 years 8 months ago
2005
ACM
Location information is very useful in the design of sensor network infrastructures. In this paper, we study the anchor-free 2D localization problem by using local angle measureme...