287 search results - page 30 / 58 » Optimization Techniques for Queries with Expensive Methods |
ICDM
2008
IEEE
15 years 7 months ago
2008
IEEE
Selecting promising queries is the key to effective active learning. In this paper, we investigate selection techniques for the task of learning an equivalence relation where the ...
105
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IS
2007
15 years 11 days ago
2007
: A number of indexing techniques have been proposed in recent times for optimizing the queries on XML and other semistructured data models. Most of the semistructured models use t...
102
Voted
LPAR
2005
Springer
15 years 6 months ago
2005
Springer
Integrity checking is an essential means for the preservation of the intended semantics of a deductive database. Incrementality is the only feasible approach to checking and can be...
101
click to vote
SSD
2005
Springer
15 years 6 months ago
2005
Springer
Abstract. Query optimization is an important functionality of modern database systems and often based on estimating the selectivity of queries before actually executing them. Well-...
115
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ADC
2008
Springer
15 years 6 months ago
2008
Springer
With respect to current methods for query evaluation over XML data streams, adoption of certain types of buffering techniques is unavoidable. Under lots of circumstances, the buff...