486 search results - page 47 / 98 » Evaluating Top-k Queries over Web-Accessible Databases |
131
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DEXAW
2004
IEEE
15 years 5 months ago
2004
IEEE
Grid technologies have been developed in response to an increase in demand for computing applications designed to yield the benefits from collaboration, data sharing and sophistic...
138
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DPD
2006
15 years 1 months ago
2006
Advances in network technologies and the emergence of Grid computing have both increased the need and provided the infrastructure for computation and data intensive applications to...
113
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CORR
2011
Springer
14 years 5 months ago
2011
Springer
Abstract. We consider the setting of ontological database access, where an Abox is given in form of a relational database D and where a Boolean conjunctive query q has to be evalua...
123
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PPDP
2010
Springer
14 years 12 months ago
2010
Springer
Database query optimizers rely on data statistics in selecting query execution plans. Similar query optimization techniques are desirable for deductive databases and, to make this...
145
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DEXA
2009
Springer
15 years 8 months ago
2009
Springer
Metric access methods (MAMs) serve as a tool for speeding similarity queries. However, all MAMs developed so far are index-based; they need to build an index on a given database. T...