1860 search results - page 57 / 372 » A Model of Queries for Object-Oriented Databases |
100
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BTW
2005
Springer
15 years 6 months ago
2005
Springer
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
170
Voted
ICDE
1998
IEEE
16 years 1 months ago
1998
IEEE
Algebraic transformation and optimization techniques have been the method of choice in relational query execution, but applying them in OODBMS is difficult due to the complexity o...
119
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ICDE
2006
IEEE
15 years 6 months ago
2006
IEEE
The window query model is widely used in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In this dissertation, ...
196
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ICDE
1998
IEEE
16 years 1 months ago
1998
IEEE
Semistructured data may be irregular and incomplete and does not necessarily conform to a fixed schema. As with structured data, it is often desirable to maintain a history of cha...
71
Voted
ISMIR
2003
Springer
15 years 5 months ago
2003
Springer
We have investigated the performance of a hidden Markov model QBH retrieval system on a large musical database. The database is synthetic, generated from statistics gleaned from o...