496 search results - page 39 / 100 » Machine models and lower bounds for query processing |
GIS
2007
ACM
14 years 8 months ago
2007
ACM
In this paper, we present an original network graph embedding to speed-up distance-range and k-nearest neighbor queries in (weighted) graphs. Our approach implements the paradigm ...
SPAA
1990
ACM
13 years 11 months ago
1990
ACM
d Abstract) Richard J. Anderson Paul Beame Walter L. Ruzzo Department of Computer Science and Engineering University of Washingtoni We introduce a task scheduling model which is u...
PODC
2009
ACM
14 years 8 months ago
2009
ACM
We analyze the performance of protocols for load balancing in distributed systems based on no-regret algorithms from online learning theory. These protocols treat load balancing a...
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
Main memory is a critical resource when processing non-blocking queries with state intensive operators that require real-time responses. While partitioned parallel processing can ...
EDBT
2006
ACM
14 years 7 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...