2228 search results - page 222 / 446 » On Database Theory and XML |
245
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ICDT
2012
ACM
13 years 9 months ago
2012
ACM
Previous studies of incomplete XML documents have identified three main sources of incompleteness – in structural information, data values, and labeling – and addressed data ...
287
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SIGMOD
2005
ACM
16 years 7 months ago
2005
ACM
We review the notion of hypertree width, a measure of the degree of cyclicity of hypergraphs that is useful for identifying and solving efficiently easy instances of hard problems...
335
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ICDE
2004
IEEE
16 years 8 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
309
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ICDT
2009
ACM
16 years 7 months ago
2009
ACM
Marx and de Rijke have shown that the navigational core of the w3c XML query language XPath is not first-order complete ? that is it cannot express every query definable in firsto...
294
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
We present DaNaLIX, a prototype domain-adaptive natural language interface for querying XML. Our system is an extension of NaLIX, a generic natural language interface for querying...