2724 search results - page 340 / 545 » Optimizing Queries on Files |
131
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IS
2008
15 years 4 months ago
2008
Consistent query answering is the problem of characterizing and computing the semantically correct answers to queries from a database that may not satisfy certain integrity constr...
146
Voted
DKE
1999
15 years 3 months ago
1999
A Data Warehouse DW is a database that collects and stores data from multiple remote and heterogeneous information sources. When a query is posed, it is evaluated locally, without...
162
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VLDB
2010
ACM
15 years 2 months ago
2010
ACM
According to the database outsourcing model, a data owner delegates database functionality to a thirdparty service provider, which answers queries received from clients. Authentic...
160
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CIKM
2011
Springer
14 years 3 months ago
2011
Springer
A fundamental problem related to RDF query processing is selectivity estimation, which is crucial to query optimization for determining a join order of RDF triple patterns. In thi...
211
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SIGMOD
2005
ACM
16 years 4 months ago
2005
ACM
With XQuery becoming the standard language for querying XML, and the relational SQL platform being recognized as an important platform to store and process XML, the SQL/XML standa...