8220 search results - page 40 / 1644 » Querying XML Data |
WEBDB
2005
Springer
14 years 2 months ago
2005
Springer
We present a system for efficient indexed querying of XML documents, enhanced with sibling operations. R-tree index proposed in [5] has a very high cost for the following-sibling...
APWEB
2005
Springer
14 years 2 months ago
2005
Springer
When XML documents are modeled as graphs, many challenging research issues arise. In particular, query processing for graphstructured XML data brings new challenges because traditi...
XSYM
2004
Springer
14 years 2 months ago
2004
Springer
XML indices are essential for efficiently processing XML queries which typically have predicates on both structures and values. Since the number of all possible structural and val...
ICDE
2003
IEEE
14 years 10 months ago
2003
IEEE
In order to publish a nested XML document from flat relational data, multiple SQL queries are often needed. The efficiency of publishing relies on how fast these queries can be ev...
SDMW
2007
Springer
14 years 3 months ago
2007
Springer
Abstract. We investigate the experimental effectiveness of query rewriting over XML security views. Our model consists of access control policies specified over DTDs with XPath e...