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DKE
2008
124views more  DKE 2008»
15 years 6 months ago
A MaxMin approach for hiding frequent itemsets
In this paper, we are proposing a new algorithmic approach for sanitizing raw data from sensitive knowledge in the context of mining of association rules. The new approach (a) rel...
George V. Moustakides, Vassilios S. Verykios
EDM
2009
105views Data Mining» more  EDM 2009»
15 years 4 months ago
Subspace Clustering of Skill Mastery: Identifying Skills that Separate Students
Abstract. In educational research, a fundamental goal is identifying which skills students have mastered, which skills they have not, and which skills they are in the process of ma...
Rebecca Nugent, Elizabeth Ayers, Nema Dean
JAISE
2010
88views Algorithms» more  JAISE 2010»
15 years 1 months ago
Improving user verification by implementing an agent-based security system
Abstract. This paper presents an agent-based, high-level security system for user verification. The system verifies a user's identity by processing data from several low-lever...
Erik Dovgan, Bostjan Kaluza, Tea Tusar, Matjaz Gam...
CHI
2008
ACM
16 years 7 months ago
Supporting the analytical reasoning process in information visualization
This paper presents a new information visualization framework that supports the analytical reasoning process. It consists of three views - a data view, a knowledge view and a navi...
Yedendra Babu Shrinivasan, Jarke J. van Wijk
CHI
2006
ACM
16 years 7 months ago
Verbosity: a game for collecting common-sense facts
We address the problem of collecting a database of "common-sense facts" using a computer game. Informally, a common-sense fact is a true statement about the world that i...
Luis von Ahn, Mihir Kedia, Manuel Blum