2674 search results - page 230 / 535 » Data Models and Query Languages for Spatial Databases |
163
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
A rich set of concepts and techniques has been developed in the context of query processing for the efficient and robust execution of queries. So far, this work has mostly focused...
214
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DBPL
2003
Springer
15 years 11 months ago
2003
Springer
Abstract. In the context of XML data management systems, the estimation of query cardinality is becoming more and more important: the information provided by a query result estimat...
178
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DOLAP
1998
ACM
15 years 10 months ago
1998
ACM
Star schema has been a typical model for both online transaction processing in traditional databases and online analytical processing in large data warehouses. In the star schema,...
270
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ICDE
2006
IEEE
16 years 7 months ago
2006
IEEE
XML schema design has two opposing goals: elimination of update anomalies requires that the schema be as normalized as possible; yet higher query performance and simpler query exp...
183
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GEOINFO
2003
15 years 7 months ago
2003
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existing...