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 ...
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,...
BMS organizes information in abstract name spaces and lets users refer to thedatathroughtheirvalues,whileaspatialDBMSorganizesinformationinconcrete 2D geometric spaces and lets use...
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 ...
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...