6846 search results - page 435 / 1370 » Querying a summary of database |
191
Voted
ICDM
2005
IEEE
16 years 14 days ago
2005
IEEE
Accurate topical classification of user queries allows for increased effectiveness and efficiency in general-purpose web search systems. Such classification becomes critical if th...
178
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EDBT
2009
ACM
15 years 11 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...
181
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SEBD
2007
15 years 8 months ago
2007
We consider the problem of query containment over an object data model derived from F-logic. F-logic has generated considerable interest commercially, in the academia, and within ...
168
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GPCE
2008
Springer
15 years 8 months ago
2008
Springer
High-level query constructs help greatly improve the clarity of programs and the productivity of programmers, and are being introduced to increasingly more languages. However, the...
161
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DEXA
1999
Springer
15 years 11 months ago
1999
Springer
: In an extensible database system, evaluation of a query plan is done in cooperation between a collection of operator implementation functions and a component of the DBMS that we ...