817 search results - page 90 / 164 » Generating Efficient Plans for Queries Using Views |
123
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DKE
2006
15 years 3 months ago
2006
The last few years, there has been an extensive body of literature in data warehousing applications that primarily focuses on basket-type (transactional) data, common in retail in...
128
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TC
1998
15 years 4 months ago
1998
Data integrity policies often require that quality and integrity metadata be generated and communicated to potential users. However, in data warehouses, federations, and other mul...
137
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VLDB
2002
ACM
15 years 2 months ago
2002
ACM
We present a framework for publishing relational data in XML with respect to a fixed DTD. In data exchange on the Web, XML views of relational data are typically required to confo...
131
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DBPL
1995
Springer
15 years 6 months ago
1995
Springer
We study the problem of maintaining recursively-de ned views, such as the transitive closure of a relation, in traditional relational languages that do not have recursion mechanis...
220
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ICDE
2007
IEEE
16 years 4 months ago
2007
IEEE
Elevation maps are a widely used spatial data representation in geographical information systems (GIS). Paths on elevation maps can be characterized by profiles, which describe re...