7607 search results - page 216 / 1522 » Querying data provenance |
168
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ECOOP
2008
Springer
15 years 8 months ago
2008
Springer
Abstract We present a datatype package that enables the shallow embedding technique to object-oriented specification and programming languages. This datatype package incrementally ...
163
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AAAI
2008
15 years 9 months ago
2008
In this paper, we propose a novel approach to expand queries by exploring both location information and topic information of the queries. Users at different locations tend to have...
166
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SIGMOD
2008
ACM
15 years 6 months ago
2008
ACM
Tree pattern queries (TPQs) provide a natural and easy formalism to query tree-structured XML data, and the efficient processing of such queries has attracted a lot of attention. ...
191
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SEMWEB
2010
Springer
15 years 4 months ago
2010
Springer
We develop query relaxation techniques for regular path queries and combine them with query approximation in order to support flexible querying of RDF data when the user lacks know...
157
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ACMSE
2005
ACM
16 years 5 days ago
2005
ACM
A simple extension to the relational model that permits metadata (more generally metaknowledge) to be stored and manipulated as first class data is proposed. The accompanying que...