Sciweavers

3319 search results - page 413 / 664
» Type Theoretical Databases
Sort
View
VLDB
2007
ACM
114views Database» more  VLDB 2007»
16 years 4 months ago
Optimization and evaluation of shortest path queries
We investigate the problem of how to evaluate efficiently a collection of shortest path queries on massive graphs that are too big to fit in the main memory. To evaluate a shortes...
Edward P. F. Chan, Heechul Lim
SIGMOD
2007
ACM
164views Database» more  SIGMOD 2007»
16 years 4 months ago
Fast data stream algorithms using associative memories
The primary goal of data stream research is to develop space and time efficient solutions for answering continuous online summarization queries. Research efforts over the last dec...
Nagender Bandi, Ahmed Metwally, Divyakant Agrawal,...
SIGMOD
2006
ACM
141views Database» more  SIGMOD 2006»
16 years 4 months ago
Contour map matching for event detection in sensor networks
Many sensor network applications, such as object tracking and disaster monitoring, require effective techniques for event detection. In this paper, we propose a novel event detect...
Wenwei Xue, Qiong Luo, Lei Chen 0002, Yunhao Liu
SIGMOD
2005
ACM
177views Database» more  SIGMOD 2005»
16 years 4 months ago
An approach for pipelining nested collections in scientific workflows
We describe an approach for pipelining nested data collections in scientific workflows. Our approach logically delimits arbitrarily nested collections of data tokens using special...
Timothy M. McPhillips, Shawn Bowers
SIGMOD
2005
ACM
187views Database» more  SIGMOD 2005»
16 years 4 months ago
A Generic Framework for Monitoring Continuous Spatial Queries over Moving Objects
This paper proposes a generic framework for monitoring continuous spatial queries over moving objects. The framework distinguishes itself from existing work by being the first to ...
Haibo Hu, Jianliang Xu, Dik Lun Lee