627 search results - page 42 / 126 » Efficient Top-k Query Evaluation on Probabilistic Data |
211
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PODS
2007
ACM
16 years 6 months ago
2007
ACM
IP packet streams consist of multiple interleaving IP flows. Statistical summaries of these streams, collected for different measurement periods, are used for characterization of ...
174
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DASFAA
2007
IEEE
15 years 10 months ago
2007
IEEE
Abstract. In this paper, we present a novel ordered XPATH evaluation in treeunaware RDBMS. The novelties of our approach lies in the followings. (a) We propose a novel XML storage ...
269
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VLDB
2004
ACM
16 years 6 months ago
2004
ACM
Indatawarehousingapplications,numerousOLAP queries involve the processing of holistic aggregators such as computing the "top n," median, quantiles, etc. In this paper, we...
168
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DAWAK
2008
Springer
15 years 8 months ago
2008
Springer
The DWS (Data Warehouse Striping) technique is a data partitioning approach especially designed for distributed data warehousing environments. In DWS the fact tables are distribute...
185
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DPD
2002
15 years 6 months ago
2002
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different sites...