857 search results - page 122 / 172 » Efficient recursive XML query processing using relational da... |
217
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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...
128
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CIKM
2006
Springer
15 years 6 months ago
2006
Springer
Skyline queries compute the set of Pareto-optimal tuples in a relation, i.e., those tuples that are not dominated by any other tuple in the same relation. Although several algorit...
126
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VLDB
2002
ACM
15 years 2 months ago
2002
ACM
We present a novel framework for mapping between any combination of XML and relational schemas, in which a high-level, userspecified mapping is translated into semantically meanin...
140
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SIGMOD
2004
ACM
16 years 3 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
223
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GIS
2007
ACM
16 years 4 months ago
2007
ACM
Continuous spatial queries posted within an environment of moving objects produce as their results a time-varying set of objects. In the most ambitious case both queries and data ...