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118
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INFSOF
2007
148views more  INFSOF 2007»
15 years 20 days ago
Mutating database queries
A set of mutation operators for SQL queries that retrieve information from a database is developed and tested against a set of queries drawn from the NIST SQL Conformance Test Sui...
Javier Tuya, María José Suáre...
JGTOOLS
2008
78views more  JGTOOLS 2008»
15 years 22 days ago
Calculating Center of Mass in an Unbounded 2D Environment
We study the behavior of simple, 2-D, self-organizing primitives that interact and move in an unbounded environment to create aggregated shapes. Each primitive is represented by a ...
Linge Bai, David E. Breen
96
Voted
EDM
2008
288views Data Mining» more  EDM 2008»
15 years 2 months ago
Data Mining Algorithms to Classify Students
In this paper we compare different data mining methods and techniques for classifying students based on their Moodle usage data and the final marks obtained in their respective cou...
Cristóbal Romero, Sebastián Ventura,...
IFIP12
2008
15 years 2 months ago
A Study with Class Imbalance and Random Sampling for a Decision Tree Learning System
Sampling methods are a direct approach to tackle the problem of class imbalance. These methods sample a data set in order to alter the class distributions. Usually these methods ar...
Ronaldo C. Prati, Gustavo E. A. P. A. Batista, Mar...
116
Voted
MKWI
2008
147views Business» more  MKWI 2008»
15 years 2 months ago
Process-oriented Test Automation of Configurable Business Solutions
: Along with rapidly changing market requirements for service-oriented business software new challenges for quality management, quality assurance, and testing arise. Customers must...
Benjamin Blau, Hong Tuan Kiet Vo