2191 search results - page 89 / 439 » Query Processing in the ROL system |
134
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EDBT
2009
ACM
15 years 9 months ago
2009
ACM
The concept of time-constrained SQL queries was introduced to address the problem of long-running SQL queries. A key approach adopted for supporting time-constrained SQL queries i...
162
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IPPS
2005
IEEE
15 years 10 months ago
2005
IEEE
Continuous query systems are an intuitive way for users to access streaming data in large-scale scientific applications containing many hundreds of streams. A challenge in these ...
123
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SEBD
2007
15 years 5 months ago
2007
Research on data integration has provided languages and systems able to guarantee an integrated intensional representation of a given set of data sources. A significant limitation...
147
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ISCI
2007
15 years 4 months ago
2007
In an object-relational database management system, a query optimizer requires users to provide cost models of userdefined functions. The traditional approach is analytical, that...
126
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CIKM
2011
Springer
14 years 4 months ago
2011
Springer
Typically, users interact with database systems by formulating queries. However, many times users do not have a clear understanding of their information needs or the exact content...