861 search results - page 51 / 173 » Relational Completeness of Query Languages for Annotated Dat... |
231
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ICDE
2003
IEEE
16 years 3 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...
200
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ICDT
2009
ACM
16 years 2 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
16 years 2 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...
152
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ICDT
2012
ACM
13 years 4 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 ...
141
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SIGMOD
2011
ACM
14 years 4 months 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...