2217 search results - page 395 / 444 » Rank-aware Query Optimization |
130
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BTW
2009
Springer
15 years 7 months ago
2009
Springer
: Cost-based optimizers in relational databases make use of data statistics to estimate intermediate result cardinalities. Those cardinalities are needed to estimate access plan co...
145
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CLOR
2006
15 years 6 months ago
2006
We present a "parts and structure" model for object category recognition that can be learnt efficiently and in a weakly-supervised manner: the model is learnt from examp...
120
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EDBT
2010
ACM
15 years 4 months ago
2010
ACM
One of the most challenging tasks for the database administrator is to physically design the database to attain optimal performance for a given workload. Physical design is hard b...
142
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HIS
2008
15 years 3 months ago
2008
The requirements imposed on information retrieval systems are increasing steadily. The vast number of documents in today's large databases and especially on World Wide Web ca...
116
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SYRCODIS
2008
15 years 3 months ago
2008
Element constructor is one of most expensive operations of the XQuery language as it requires deep copy of the nodes which make up the content of the constructed element. In this ...