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ICDE
2005
IEEE
116views Database» more  ICDE 2005»
14 years 11 months ago
RDF Aggregate Queries and Views
Resource Description Framework (RDF) is a rapidly expanding web standard. RDF databases attempt to track the massive amounts of web data and services available. In this paper, we ...
Edward Hung, Yu Deng, V. S. Subrahmanian
MUE
2007
IEEE
71views Multimedia» more  MUE 2007»
14 years 4 months ago
Query Predicate Preprocessing in Wireless Sensor Networks
With the developments of related techniques in telecommunication and computer sciences, wireless sensor networks have been used more and more widely. While sensor nodes in wireles...
Min Meng, Hui Xu, Byeong-Soo Jeong, Sungyoung Lee,...
SOFTWARE
1998
13 years 9 months ago
A New Way to Query GISs on the Web
BMS organizes information in abstract name spaces and lets users refer to thedatathroughtheirvalues,whileaspatialDBMSorganizesinformationinconcrete 2D geometric spaces and lets use...
Serena Coetzee, Judith Bishop
ICDE
2006
IEEE
149views Database» more  ICDE 2006»
14 years 11 months ago
An Efficient XPath Query Processor for XML Streams
Streaming XPath evaluation algorithms must record a potentially exponential number of pattern matches when both predicates and descendant axes are present in queries, and the XML ...
Yi Chen, Susan B. Davidson, Yifeng Zheng
PODS
1998
ACM
116views Database» more  PODS 1998»
14 years 2 months ago
Complexity of Answering Queries Using Materialized Views
We study the complexity of the problem of answering queries using materialized views. This problem has attracted a lot of attention recently because of its relevance in data integ...
Serge Abiteboul, Oliver M. Duschka