2071 search results - page 353 / 415 » An Empirical Evaluation of LFG-DOP |
172
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SIGMOD
2009
ACM
15 years 11 months ago
2009
ACM
The query models of the recent generation of very large scale distributed (VLSD) shared-nothing data storage systems, including our own PNUTS and others (e.g. BigTable, Dynamo, Ca...
108
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SIGMOD
2004
ACM
15 years 11 months ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
WWW
2010
ACM
15 years 6 months ago
2010
ACM
With the increasing popularity of location-based services, such as tour guide and location-based social network, we now have accumulated many location data on the Web. In this pap...
WSDM
2010
ACM
15 years 5 months ago
2010
ACM
Web search engines are traditionally evaluated in terms of the relevance of web pages to individual queries. However, relevance of web pages does not tell the complete picture, si...
PAISI
2009
Springer
15 years 5 months ago
2009
Springer
Discovering a representative set of theme patterns from a large amount of text for interpreting their meaning has always been concerned by researches of both data mining and inform...