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» A localic theory of lower and upper integrals
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PODS
2009
ACM
113views Database» more  PODS 2009»
14 years 6 months ago
Relative information completeness
The paper investigates the question of whether a partially closed database has complete information to answer a query. In practice an enterprise often maintains master data Dm, a ...
Wenfei Fan, Floris Geerts
CORR
2010
Springer
139views Education» more  CORR 2010»
13 years 1 months ago
Data Cleaning and Query Answering with Matching Dependencies and Matching Functions
Matching dependencies were recently introduced as declarative rules for data cleaning and entity resolution. Enforcing a matching dependency on a database instance identifies the ...
Leopoldo E. Bertossi, Solmaz Kolahi, Laks V. S. La...
ISF
2010
109views more  ISF 2010»
13 years 4 months ago
Collaborative systems development in disaster relief: The impact of multi-level governance
Disaster management information systems for international humanitarian relief are developed in contexts involving local, national and inter-governmental organizations together with...
Edgar A. Maldonado, Carleen F. Maitland, Andrea Ho...
ASIAMS
2007
IEEE
14 years 19 days ago
Rough-Fuzzy Granulation, Rough Entropy and Image Segmentation
This talk has two parts explaining the significance of Rough sets in granular computing in terms of rough set rules and in uncertainty handling in terms of lower and upper approxi...
Sankar K. Pal