72 search results - page 3 / 15 » On the complexity of query answering over incomplete XML doc... |
ICDE
2003
IEEE
14 years 6 months ago
2003
IEEE
XML path queries form the basis of complex filtering of XML data. Most current XML path query processing techniques can be divided in two groups. Navigation-based algorithms compu...
WISE
2000
Springer
13 years 9 months ago
2000
Springer
The mediator/wrapper approach is used to integrate data from different databases and other data sources by introducing a middleware virtual database that provides high level abstr...
CCS
2001
ACM
13 years 10 months ago
2001
ACM
XML is increasingly becoming the format of choice for information exchange on the Internet. As this trend grows, one can expect that documents (or collections thereof) may get qui...
CIKM
2007
Springer
13 years 11 months ago
2007
Springer
In this paper, we study the problem of effective keyword search over XML documents. We begin by introducing the notion of Valuable Lowest Common Ancestor (VLCA) to accurately and ...
SIGMOD
2011
ACM
12 years 8 months ago
2011
ACM
We demonstrate a system for querying probabilistic XML documents with simple XPath queries. A user chooses between a variety of query answering techniques, both exact and approxim...