61 search results - page 5 / 13 » Approximate Confidence Computation in Probabilistic Database... |
GIS
2007
ACM
14 years 10 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...
DASFAA
2010
IEEE
14 years 1 months ago
2010
IEEE
Abstract. Visibility query is fundamental to many analysis and decisionmaking tasks in virtual environments. Visibility computation is time complex and the complexity escalates in ...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
This paper describes query processing in the DBO database system. Like other database systems designed for ad-hoc, analytic processing, DBO is able to compute the exact answer to ...
SIGMOD
1998
ACM
14 years 1 months ago
1998
ACM
We present new algorithms for computing approximate quantiles of large datasets in a single pass. The approximation guarantees are explicit, and apply without regard to the value ...
ICDT
2010
ACM
14 years 6 months ago
2010
ACM
The work reported here lays the foundations of data exchange in the presence of probabilistic data. This requires rethinking the very basic concepts of traditional data exchange, ...