964 search results - page 110 / 193 » Efficiently Ordering Query Plans for Data Integration |
234
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ICDE
2007
IEEE
16 years 5 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...
143
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WWW
2003
ACM
16 years 5 months ago
2003
ACM
The success of the Semantic Web crucially depends on the easy creation, integration and use of semantic data. For this purpose, we consider an integration scenario that defies cor...
158
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KIVS
2009
Springer
15 years 11 months ago
2009
Springer
We present an integrated approach for supporting in-network sensor data processing in dynamic and heterogeneous sensor networks. The concept relies on data stream processing techni...
157
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KDD
2004
ACM
16 years 5 months ago
2004
ACM
We present a case study about the application of the inductive database approach to the analysis of Web logs. We consider rich XML Web logs ? called conceptual logs ? that are gen...
157
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DEXA
2009
Springer
15 years 11 months ago
2009
Springer
Dimension hierarchies represent a substantial part of the data warehouse model. Indeed they allow decision makers to examine data at different levels of detail with On-Line Analyt...