6746 search results - page 594 / 1350 » Multimodal Database Query |
303
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ICDE
2007
IEEE
16 years 8 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...
301
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ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
Traditional approaches for efficiently processing historical queries, where a history is a multidimensional timeseries, employ a two step filter-and-refine scheme. In the filter s...
354
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ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
Efficiently processing continuous k-nearest neighbor queries on data streams is important in many application domains, e. g. for network intrusion detection or in querysubscriber ...
317
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ICDE
2006
IEEE
16 years 8 months ago
2006
IEEE
Skyline queries are well suited when retrieving data according to multiple criteria. While most previous work has assumed a centralized setting this paper considers skyline queryi...
299
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ICDE
2006
IEEE
16 years 8 months ago
2006
IEEE
Environmental monitoring is a promising application for sensor networks. Many scenarios produce geographically correlated readings, making them visually interesting and good targe...