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SIGMOD
2011
ACM
205views Database» more  SIGMOD 2011»
14 years 7 months ago
Interaction between record matching and data repairing
Central to a data cleaning system are record matching and data repairing. Matching aims to identify tuples that refer to the same real-world object, and repairing is to make a dat...
Wenfei Fan, Jianzhong Li, Shuai Ma, Nan Tang, Weny...
PODS
2012
ACM
253views Database» more  PODS 2012»
13 years 6 months ago
Local transformations and conjunctive-query equivalence
Over the past several decades, the study of conjunctive queries has occupied a central place in the theory and practice of database systems. In recent years, conjunctive queries h...
Ronald Fagin, Phokion G. Kolaitis
ICDT
2012
ACM
242views Database» more  ICDT 2012»
13 years 6 months ago
Win-move is coordination-free (sometimes)
In a recent paper by Hellerstein [15], a tight relationship was conjectured between the number of strata of a Datalog¬ program and the number of “coordination stages” require...
Daniel Zinn, Todd J. Green, Bertram Ludäscher
ICPR
2002
IEEE
16 years 5 months ago
Incorporating Conditional Independence Assumption with Support Vector Machines to Enhance Handwritten Character Segmentation Per
Learning Bayesian Belief Networks (BBN) from corpora and incorporating the extracted inferring knowledge with a Support Vector Machines (SVM) classifier has been applied to charac...
Manolis Maragoudakis, Ergina Kavallieratou, Nikos ...
GIS
2008
ACM
16 years 5 months ago
An operation-independent approach to extend 2D spatial operations to 3D and moving objects
It has been pointed out repeatedly that spatial operations must be extended to include support for 3D and moving objects. The attempt to code by hand each spatial operation for ea...
Farid Karimipour, Andrew U. Frank, Mahmoud Reza De...