343 search results - page 8 / 69 » Efficient Query Evaluation over Compressed XML Data |
SIGMOD
2005
ACM
14 years 9 months ago
2005
ACM
Window queries are proving essential to data-stream processing. In this paper, we present an approach for evaluating sliding-window aggregate queries that reduces both space and c...
DASFAA
2008
IEEE
13 years 10 months ago
2008
IEEE
An important issue arising from XML query relaxation is how to efficiently search the top-k best answers from a large number of XML data sources, while minimizing the searching cos...
DEXAW
2007
IEEE
14 years 20 days ago
2007
IEEE
The problem of efficiently evaluating XPath and XQuery queries has become increasingly significant since more and more XML data is stored in its native form. We propose a novel op...
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
Evaluation of twig queries over probabilistic XML is investigated. Projection is allowed and, in particular, a query may be Boolean. It is shown that for a well-known model of pro...
WEBDB
2010
Springer
13 years 6 months ago
2010
Springer
The Semantic Web, which represents a web of knowledge, offers new opportunities to search for knowledge and information. To harvest such search power requires robust and scalable ...