Sciweavers

1672 search results - page 14 / 335
» Optimizing Monitoring Queries over Distributed Data
Sort
View
COMAD
2008
13 years 10 months ago
Concurrency Control in Distributed MRA Index Structure
Answering aggregate queries like sum, count, min, max over regions containing moving objects is often needed for virtual world applications, real-time monitoring systems, etc. Sin...
Neha Singh, S. Sudarshan
DASFAA
2006
IEEE
168views Database» more  DASFAA 2006»
14 years 2 months ago
PMJoin: Optimizing Distributed Multi-way Stream Joins by Stream Partitioning
Abstract. In emerging data stream applications, data sources are typically distributed. Evaluating multi-join queries over streams from different sources may incur large communica...
Yongluan Zhou, Ying Yan, Feng Yu, Aoying Zhou
ICDCS
2009
IEEE
14 years 5 months ago
m-LIGHT: Indexing Multi-Dimensional Data over DHTs
In this paper, we study the problem of indexing multidimensional data in the P2P networks based on distributed hash tables (DHTs). We identify several design issues and propose a ...
Yuzhe Tang, Jianliang Xu, Shuigeng Zhou, Wang-Chie...
DBISP2P
2005
Springer
132views Database» more  DBISP2P 2005»
13 years 10 months ago
Publish/Subscribe with RDF Data over Large Structured Overlay Networks
Abstract. We study the problem of evaluating RDF queries over structured overlay networks. We consider the publish/subscribe scenario where nodes subscribe with long-standing queri...
Erietta Liarou, Stratos Idreos, Manolis Koubarakis
DASFAA
2007
IEEE
202views Database» more  DASFAA 2007»
14 years 3 months ago
Optimizing Moving Queries over Moving Object Data Streams
With the increasing in demand on location-based aware services and RFIDs, efficient processing of continuous queries over moving object streams becomes important. In this paper, w...
Dan Lin, Bin Cui, Dongqing Yang