1782 search results - page 67 / 357 » Processing Queries over Distributed XML Databases |
SIGMOD
2008
ACM
14 years 10 months ago
2008
ACM
Reverse skyline queries over uncertain databases have many important applications such as sensor data monitoring and business planning. Due to the existence of uncertainty in many...
XIMEP
2005
ACM
14 years 3 months ago
2005
ACM
We present in this paper a system for rewriting user-specific XPath queries for higher sharing of common sub-expressions in a streaming environment. We rewrite these queries acco...
ICDE
2003
IEEE
14 years 11 months ago
2003
IEEE
XKeyword provides efficient keyword proximity queries on large XML graph databases. A query is simply a list of keywords and does not require any schema or query language knowledg...
ICDE
2005
IEEE
14 years 11 months ago
2005
IEEE
We consider the problem of efficiently computing the skyline against the most recent N elements in a data stream seen so far. Specifically, we study the n-of-N skyline queries; th...
CIKM
2009
Springer
14 years 4 months ago
2009
Springer
We study the problem of continuous monitoring of top-k queries over multiple non-synchronized streams. Assuming a sliding window model, this general problem has been a well addres...