18 search results - page 1 / 4 » Sampling cube: a framework for statistical olap over samplin... |
SIGMOD
2008
ACM
14 years 4 months ago
2008
ACM
Sampling is a popular method of data collection when it is impossible or too costly to reach the entire population. For example, television show ratings in the United States are g...
GIS
2007
ACM
14 years 5 months ago
2007
ACM
Many Geographic Information System (GIS) applications must handle large geospatial datasets stored in raster representation. Spatial joins over raster data are important queries i...
IGARSS
2009
13 years 2 months ago
2009
The paper presents a general framework for change detection in radar images, for an operational purpose and in the context of environmental monitoring. This framework is based on ...
MICCAI
2010
Springer
13 years 3 months ago
2010
Springer
Abstract. Several sources of uncertainties in shape boundaries in medical images have motivated the use of probabilistic labeling approaches. Although it is well-known that the sam...
SIGMOD
1998
ACM
13 years 8 months ago
1998
ACM
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...