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» Databases with uncertainty and lineage
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PODS
2002
ACM
98views Database» more  PODS 2002»
16 years 20 days ago
On Propagation of Deletions and Annotations Through Views
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...
Peter Buneman, Sanjeev Khanna, Wang Chiew Tan
117
Voted
SAC
2008
ACM
15 years 3 hour ago
Spatial vagueness and imprecision in databases
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...
Alejandro Pauly, Markus Schneider
115
Voted
CORR
2011
Springer
175views Education» more  CORR 2011»
14 years 4 months ago
Heuristic Algorithm for Interpretation of Non-Atomic Categorical Attributes in Similarity-based Fuzzy Databases - Scalability Ev
- 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...
M. Shahriar Hossain, Rafal A. Angryk
101
Voted
GIS
2000
ACM
15 years 4 months ago
Metric operations on fuzzy spatial objects in databases
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...
Markus Schneider
ICDE
2007
IEEE
173views Database» more  ICDE 2007»
16 years 1 months ago
Top-k Query Processing in Uncertain Databases
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between score and uncertainty makes traditio...
Mohamed A. Soliman, Ihab F. Ilyas, Kevin Chen-Chua...