2145 search results - page 136 / 429 » Pattern-Based Query Answering |
PODS
2006
ACM
15 years 11 months ago
2006
ACM
The query equivalence problem has been studied extensively for set-semantics and, more recently, for bag-set semantics. However, SQL queries often combine set and bag-set semantic...
EDBT
2002
ACM
15 years 11 months ago
2002
ACM
Abstract. We present a simple query language for XML, which supports hierarchical, Boolean-connected query patterns. The interpretation of a query is founded on cost-based query tr...
ICEIS
2009
IEEE
15 years 6 months ago
2009
IEEE
Today XML is an essential technology for knowledge management within enterprises and dissemination of data over the Web. Therefore the efficient evaluation of XML queries has been ...
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ICDCS
2008
IEEE
15 years 6 months ago
2008
IEEE
This paper considers a multi-query optimization issue for distributed similarity query processing, which attempts to exploit the dependencies in the derivation of a query evaluati...
SC
2003
ACM
15 years 4 months ago
2003
ACM
A Grid Information Service (GIS) stores information about the resources of a distributed computing environment and answers questions about it. We are developing RGIS, a GIS system...