394 search results - page 34 / 79 » An extensive math query language |
104
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DBSEC
2000
15 years 5 months ago
2000
We propose two extensions to the SQL grant/revoke security model. In SQL, grants are unconditional, so the grantor must simply trust the recipient's discretion. We allow a gr...
218
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SIGMOD
2009
ACM
16 years 4 months ago
2009
ACM
Existing works in XML keyword search have addressed the problem of finding matching results of a query. However, user input queries always contain irrelevant or mismatched terms, ...
109
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ENTCS
2006
15 years 4 months ago
2006
Context and sequence variables allow matching to explore term-trees both in depth and in breadth. It makes context sequence matching a suitable computational mechanism for a rule-...
152
Voted
ESWS
2009
Springer
15 years 10 months ago
2009
Springer
We consider the problem of a user querying semistructured data such as RDF without knowing its structure. In these circumstances, it is helpful if the querying system can perform a...
139
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IDEAS
2002
IEEE
15 years 9 months ago
2002
IEEE
A system has been developed permitting database queries over data extracted from a CAD system where the query result is returned back to the CAD for visualization and analysis. Th...