861 search results - page 51 / 173 » Relational Completeness of Query Languages for Annotated Dat... |
183
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ICDE
2003
IEEE
15 years 11 months ago
2003
IEEE
XKeyword provides efficient keyword proximity queries on large XML graph databases. A query is simply a list of keywords and does not require any schema or query language knowledg...
151
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ICDT
2009
ACM
15 years 10 months ago
2009
ACM
This article deals with consistent query answering to conjunctive queries under primary key constraints. The repairs of an inconsistent database db are obtained by selecting a max...
EDBT
2006
ACM
15 years 10 months ago
2006
ACM
We study the expressiveness and performance of full-text search languages. Our main motivation is to provide a formal basis for comparing such languages and to develop a model for...
116
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ICDT
2012
ACM
13 years 5 days 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 ...
109
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SIGMOD
2011
ACM
14 years 17 days ago
2011
ACM
An important means of allowing non-expert end-users to pose ad hoc queries — whether over single databases or data integration systems — is through keyword search. Given a set...