1418 search results - page 150 / 284 » A Theory of Stream Queries |
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
Main memory is a critical resource when processing longrunning queries over data streams with state intensive operators. In this work, we investigate state spill strategies that h...
SAC
2010
ACM
14 years 4 months ago
2010
ACM
In this paper, we explore the problem of processing a novel type of location based queries, named the location based top-k query, which involves both of spatial and non-spatial sp...
WSDM
2009
ACM
14 years 4 months ago
2009
ACM
We are experiencing an unprecedented increase of content contributed by users in forums such as blogs, social networking sites and microblogging services. Such abundance of conten...
MOBICOM
2010
ACM
13 years 9 months ago
2010
ACM
Consider mobile targets moving in a plane and their movements being monitored by a network such as a field of sensors. We develop distributed algorithms for in-network tracking an...
IDEAS
2005
IEEE
14 years 2 months ago
2005
IEEE
Adaptive operator scheduling algorithms for continuous query processing are usually designed to serve a single performance objective, such as minimizing memory usage or maximizing...