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» Constraint Databases: A Survey
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WEBDB
2009
Springer
115views Database» more  WEBDB 2009»
15 years 4 months ago
A Machine Learning Approach to Foreign Key Discovery
We study the problem of automatically discovering semantic associations between schema elements, namely foreign keys. This problem is important in all applications where data sets...
Alexandra Rostin, Oliver Albrecht, Jana Bauckmann,...
ADC
2003
Springer
139views Database» more  ADC 2003»
15 years 3 months ago
Deriving Relation Keys from XML Keys
Much work on XML data was around storage and querying and did not consider constraints of XML, especially keys. Since constraints have been proposed in many papers for XML, much r...
Qing Wang, Hongwei Wu, Jianchang Xiao, Aoying Zhou...
ER
1999
Springer
104views Database» more  ER 1999»
15 years 2 months ago
A Taxonomy of Recursive Relationships and Their Structural Validity in ER Modeling
Abstract. In this paper, we present the complete classification of recursive relationships and the criteria that contribute to the structural validity of modeling recursive relatio...
James Dullea, Il-Yeol Song
ACISICIS
2007
IEEE
15 years 4 months ago
2D Barcode and Augmented Reality Supported English Learning System
This study aims to construct a 2D barcode and handheld augmented reality supported learning system called HELLO (Handheld English Language Learning Organization), to improve stude...
Tsung-Yu Liu, Tan-Hsu Tan, Yu-Ling Chu
ICALT
2007
IEEE
15 years 4 months ago
Handheld Computer Supported Context-aware learning with 2D Barcodes
This paper reports a study that aims to construct a 2D barcode supported learning system, called HELLO (Handheld English Language Learning Organization), to improve students’ En...
Yu-Ling Chu, Tsung-Yu Liu