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» XML with incomplete information
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ICDT
2012
ACM
293views Database» more  ICDT 2012»
11 years 10 months ago
On the complexity of query answering over incomplete XML documents
Previous studies of incomplete XML documents have identified three main sources of incompleteness – in structural information, data values, and labeling – and addressed data ...
Amélie Gheerbrant, Leonid Libkin, Tony Tan
PODS
2010
ACM
242views Database» more  PODS 2010»
14 years 16 days ago
Certain answers for XML queries
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
Claire David, Leonid Libkin, Filip Murlak
XIMEP
2005
ACM
90views Database» more  XIMEP 2005»
14 years 1 months ago
XPath 2.0: It Can Sort!
As XML finds its place in information technology, query languages for XML attract much attention. Among them XPath is the most known. This article reveals a surprising fact that ...
Pavel Hlousek
IWPC
2003
IEEE
14 years 22 days ago
An XML-Based Lightweight C++ Fact Extractor
A lightweight fact extractor is presented that utilizes XML tools, such as XPath and XSLT, to extract static information from C++ source code programs. The source code is first co...
Michael L. Collard, Huzefa H. Kagdi, Jonathan I. M...
VLDB
1999
ACM
87views Database» more  VLDB 1999»
13 years 11 months ago
Query Optimization for XML
XML is an emerging standard for data representation and exchange on the World-Wide Web. Due to the nature of information on the Web and the inherent flexibility of XML, we expect...
Jason McHugh, Jennifer Widom