2674 search results - page 130 / 535 » Data Models and Query Languages for Spatial Databases |
158
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FQAS
2009
Springer
15 years 11 months ago
2009
Springer
We consider the problem of finding and ranking paths in semistructured data without necessarily knowing its full structure. The query language we adopt comprises conjunctions of r...
151
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DBPL
2001
Springer
15 years 9 months ago
2001
Springer
Commercial OLAP systems usually treat OLAP dimensions as static entities. In practice, dimension updates are often necessary in order to adapt the multidimensional database to chan...
251
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GIS
2008
ACM
16 years 6 months ago
2008
ACM
Given a spatial crime data warehouse, that is updated infrequently and a set of operations O as well as constraints of storage and update overheads, the index type selection probl...
140
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SIGMOD
2002
ACM
16 years 5 months ago
2002
ACM
QURSED enables the development of web-based query forms and reports (QFRs) that query and report semistructured XML data, i.e., data that are characterized by nesting, irregularit...
169
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AVI
2008
15 years 6 months ago
2008
Traditional database query formulation is intensional: at the level of schemas, table and column names. Previous work has shown that filters can be created using a query paradigm ...