116 search results - page 16 / 24 » Measuring the Complexity of Join Enumeration in Query Optimi... |
RSCTC
2000
Springer
15 years 3 months ago
2000
Springer
The main task in decision tree construction algorithms is to find the "best partition" of the set of objects. In this paper, we investigate the problem of optimal binary ...
139
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SIGMOD
2004
ACM
15 years 11 months ago
2004
ACM
Virtually every commercial query optimizer chooses the best plan for a query using a cost model that relies heavily on accurate cardinality estimation. Cardinality estimation erro...
191
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SIGMOD
2007
ACM
15 years 11 months ago
2007
ACM
A lot of research has been conducted by the database community on methods and techniques for efficient XPath processing, with great success. Despite the progress made, significant...
113
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WWW
2008
ACM
16 years 10 days ago
2008
ACM
Efficiently querying RDF [1] data is being an important factor in applying Semantic Web technologies to real-world applications. In this context, many efforts have been made to st...
212
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ICDE
2003
IEEE
16 years 1 months ago
2003
IEEE
The XML Wrapper is a new feature of the federated database capabilities of DB2/UDB v8. It enables users and applications to issue SQL queries against XML data from a variety of so...