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AIED
2009
Springer
15 years 6 months ago
Using Learning Decomposition to Analyze Instructional Effectiveness in the ASSISTment System
A basic question of instruction is how effective it is in promoting student learning. This paper presents a study determining the relative efficacy of different instructional conte...
Mingyu Feng, Neil T. Heffernan, Joseph E. Beck
LCN
2007
IEEE
15 years 6 months ago
Voice quality measurement in a typical router-based network
In this paper, we introduce novel mechanisms for measuring and evaluating the performance of a network and its devices, configured especially for Voice over IP (VoIP). We study the...
A. Azarfar, A. H. Jahangir
ISBI
2007
IEEE
15 years 6 months ago
An Effective and Efficient Technique for Searching for Similar Brain Activation Patterns
In this paper, we introduce a new approach for content-based similarity search for brain images. Based on the keyblock representation, our framework employs the Principal Componen...
Jingjing Zhang, Vasileios Megalooikonomou
BNCOD
2008
88views Database» more  BNCOD 2008»
15 years 1 months ago
An Empirical Study of Utility Measures for k-Anonymisation
Abstract. k-Anonymisation is a technique for masking microdata in order to prevent individual identification. Besides preserving privacy, data anonymised by such a method must also...
Grigorios Loukides, Jianhua Shao
IMR
2004
Springer
15 years 5 months ago
Two Techniques to Improve Mesh Quality and Preserve Surface Characteristics
In this paper we present two novel techniques to improve the quality of triangle surface meshes while preserving surface characteristics as much as possible. In contrast to previo...
Irina B. Semenova, Vladimir V. Savchenko, Ichiro H...