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» Nested Ordered Sets and their Use for Data Modelling
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BMCBI
2006
110views more  BMCBI 2006»
15 years 12 days ago
Bias in error estimation when using cross-validation for model selection
Background: Cross-validation (CV) is an effective method for estimating the prediction error of a classifier. Some recent articles have proposed methods for optimizing classifiers...
Sudhir Varma, Richard Simon
ECSQARU
2003
Springer
15 years 5 months ago
Applications of Latent Class Analysis in Social Science Research
An overview is provided of recent developments in the use of latent class (LC) models in social science research. Special attention is paid to the application of LC analysis as a f...
Jeroen K. Vermunt
KDD
2006
ACM
167views Data Mining» more  KDD 2006»
16 years 23 days ago
Clustering pair-wise dissimilarity data into partially ordered sets
Ontologies represent data relationships as hierarchies of possibly overlapping classes. Ontologies are closely related to clustering hierarchies, and in this article we explore th...
Jinze Liu, Qi Zhang, Wei Wang 0010, Leonard McMill...
AMAI
2006
Springer
15 years 13 days ago
Functional and multivalued dependencies in nested databases generated by record and list constructor
tor. In order to capture different data models at a time, an abstract algebraic approach based on nested attributes is taken. The presence of the list constructor calls for a new i...
Sven Hartmann, Sebastian Link, Klaus-Dieter Schewe
SIGMOD
2008
ACM
103views Database» more  SIGMOD 2008»
16 years 15 days ago
XArch: archiving scientific and reference data
Database archiving is important for the retrieval of old versions of a database and for temporal queries over the history of data. We demonstrate XArch, a management system for ma...
Heiko Müller, Ioannis Koltsidas, Peter Bunema...