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» Certain answers for XML queries
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PODS
2010
ACM
242views Database» more  PODS 2010»
10 years 8 months 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
CCS
2001
ACM
10 years 7 months ago
Flexible authentication of XML documents
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...
Premkumar T. Devanbu, Michael Gertz, April Kwong, ...
ICDT
2012
ACM
293views Database» more  ICDT 2012»
8 years 5 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
SIGMOD
2004
ACM
163views Database» more  SIGMOD 2004»
11 years 3 months ago
FleXPath: Flexible Structure and Full-Text Querying for XML
Querying XML data is a well-explored topic with powerful databasestyle query languages such as XPath and XQuery set to become W3C standards. An equally compelling paradigm for que...
Sihem Amer-Yahia, Laks V. S. Lakshmanan, Shashank ...
PODS
2005
ACM
132views Database» more  PODS 2005»
11 years 3 months ago
XML data exchange: consistency and query answering
Marcelo Arenas, Leonid Libkin
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