14386 search results - page 2556 / 2878 » The Chinese Generals Problem |
275
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GIS
2007
ACM
16 years 7 months ago
2007
ACM
We consider the problem of extracting a river network and a watershed hierarchy from a terrain given as a set of irregularly spaced points. We describe TerraStream, a "pipeli...
269
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GIS
2007
ACM
16 years 7 months ago
2007
ACM
Accurate and efficient integration of geospatial data is an important problem with applications in areas such as emergency response and urban planning. Some of the key challenges ...
267
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GIS
2008
ACM
16 years 7 months ago
2008
ACM
Information and specifically Web pages may be organized, indexed, searched, and navigated using various metadata aspects, such as keywords, categories (themes), and also space. Wh...
277
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GIS
2005
ACM
16 years 7 months ago
2005
ACM
Numerous raster maps are available on the Internet, but the geographic coordinates of the maps are often unknown. In order to determine the precise location of a raster map, we ex...
275
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GIS
2005
ACM
16 years 7 months ago
2005
ACM
Databases of moving objects are important for air traffic control, ground traffic, and battlefield configurations. We introduce the (historical and spatial) range close-pair query...