479 search results - page 13 / 96 » Efficient Processing of XML Tree Pattern Queries |
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
We present and analyze an algorithm for equivalent rewriting of XQuery queries using XQuery views, which is complete for a large class of XQueries featuring nested FLWR blocks, XM...
DEXAW
2007
IEEE
14 years 1 months 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...
WWW
2005
ACM
14 years 2 months ago
2005
ACM
In this paper, we propose an approach to materialize XML data warehouses based on the frequent query patterns discovered from historical queries issued by users. The schemas of in...
ICDM
2006
IEEE
14 years 3 months ago
2006
IEEE
Existing studies for mining frequent XML query patterns mainly introduce a straightforward candidate generate-and-test strategy and compute frequencies of candidate query patterns...
IDEAS
2007
IEEE
14 years 3 months ago
2007
IEEE
There is an increasing need for an XML query engine that not only searches for exact matches to a query but also returns “query-like” structures. We have designed and develope...