2063 search results - page 97 / 413 » Containment of Aggregate Queries |
138
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ADC
2004
Springer
15 years 9 months ago
2004
Springer
Aggregating spatial objects is a necessary step in generating spatial data cubes to support roll-up/drill-down operations. Current approaches face performance bottleneck issues wh...
118
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DATAMINE
2002
15 years 4 months ago
2002
Cubegrades are generalization of association rules which represent how a set of measures (aggregates) is affected by modifying a cube through specialization (rolldown), generaliza...
133
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DKE
2006
15 years 4 months ago
2006
Existing encoding schemes and index structures proposed for XML query processing primarily target the containment relationship, specifically the parent
141
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IS
2007
15 years 4 months ago
2007
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are pa...
111
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VLDB
2005
ACM
15 years 9 months ago
2005
ACM
In this demonstration, we describe a system for storing and querying faceted hierarchies. We have developed a general faceted domain model and a query language for hierarchically ...