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GFKL
2005
Springer
95views Data Mining» more  GFKL 2005»
14 years 2 months ago
An Indicator for the Number of Clusters: Using a Linear Map to Simplex Structure
Abstract. The problem of clustering data can be formulated as a graph partitioning problem. In this setting, spectral methods for obtaining optimal solutions have received a lot of...
Marcus Weber, Wasinee Rungsarityotin, Alexander Sc...
ICSE
2008
IEEE-ACM
14 years 9 months ago
Tool support for data validation by end-user programmers
End-user programming tools for creating spreadsheets and webforms offer no data types except "string" for storing many kinds of data, such as person names and street add...
Christopher Scaffidi, Brad A. Myers, Mary Shaw
IKE
2004
13 years 10 months ago
Ontology based Semantic Metadata for Geoscience Data
In Geoscience domain, large amounts of data are accessible, however they vary in formats and are stored at various organizations leading to problems of data discovery, data intero...
Viral Parekh, Jin-Ping Gwo, Timothy W. Finin
ICDE
2010
IEEE
292views Database» more  ICDE 2010»
14 years 8 months ago
Usher: Improving Data Quality With Dynamic Forms
Data quality is a critical problem in modern databases. Data entry forms present the first and arguably best opportunity for detecting and mitigating errors, but there has been li...
Kuang Chen, Harr Chen, Neil Conway, Joseph M. Hell...
ASWC
2009
Springer
14 years 3 months ago
Supporting the Development of Data Wrapping Ontologies
Abstract. We consider the problem of designing data wrapping ontologies whose purpose is to describe relational data sources and to provide a semantically enriched access to the un...
Lina Lubyte, Sergio Tessaris