995 search results - page 178 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
148
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TKDE
2010
15 years 4 days ago
2010
—Authority flow and proximity search have been used extensively in measuring the association between entities in data graphs, ranging from the Web to relational and XML database...
155
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SRDS
1998
IEEE
15 years 6 months ago
1998
IEEE
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 site...
134
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DEXA
2000
Springer
15 years 6 months ago
2000
Springer
Abstract. Bitmap indices are popular multi-dimensional data structures for accessing read-mostly data such as data warehouse (DW) applications, decision support systems (DSS) and o...
138
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WWW
2008
ACM
16 years 2 months ago
2008
ACM
The World Wide Web Consortium's RDF standard primarily consists of (subject,property,object) triples that specify the value that a given subject has for a given property. How...
158
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VLDB
2008
ACM
16 years 2 months ago
2008
ACM
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...