276 search results - page 25 / 56 » Databases with uncertainty and lineage |
PODS
2002
ACM
14 years 11 months ago
2002
ACM
We study two classes of view update problems in relational databases. We are given a source database S, a monotone query Q, and the view Q(S) generated by the query. The first pro...
SAC
2008
ACM
13 years 10 months ago
2008
ACM
The impossibility of current spatial database systems and GIS to handle spatial vagueness and imprecision has been recognized as an important problem in the spatial database domai...
CORR
2011
Springer
13 years 2 months ago
2011
Springer
- In this work we are analyzing scalability of the heuristic algorithm we used in the past [1-4] to discover knowledge from multi-valued symbolic attributes in fuzzy databases. The...
GIS
2000
ACM
14 years 2 months ago
2000
ACM
Uncertainty management for geometric data is currently an important problem for (extensible) databases in general and for spatial databases, image databases, and GIS in particular...
ICDE
2007
IEEE
15 years 8 days ago
2007
IEEE
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between score and uncertainty makes traditio...