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University of Central Florida

Electronic Theses and Dissertations

Information systems

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A Human-Centric Approach To Data Fusion In Post-Disaster Managment: The Development Of A Fuzzy Set Theory Based Model, Mubarak Banisakher Jan 2014

A Human-Centric Approach To Data Fusion In Post-Disaster Managment: The Development Of A Fuzzy Set Theory Based Model, Mubarak Banisakher

Electronic Theses and Dissertations

It is critical to provide an efficient and accurate information system in the post-disaster phase for individuals' in order to access and obtain the necessary resources in a timely manner; but current map based post-disaster management systems provide all emergency resource lists without filtering them which usually leads to high levels of energy consumed in calculation. Also an effective post-disaster management system (PDMS) will result in distribution of all emergency resources such as, hospital, storage and transportation much more reasonably and be more beneficial to the individuals in the post disaster period. In this Dissertation, firstly, semi-supervised learning (SSL) based …


Cognitive Learning From Computer-Based Information Systems By Incorporating Knowledge Construction Interventions, Wajdi Wazzan Jan 2007

Cognitive Learning From Computer-Based Information Systems By Incorporating Knowledge Construction Interventions, Wajdi Wazzan

Electronic Theses and Dissertations

The aim of the present study was to develop and empirically evaluate different categories of instructional activities, which stimulate the generation and construction of knowledge on the part of an individual student. These generative activities are primed by prompts or scaffolds, which can easily be inserted into specific curriculum addressing any domain of knowledge. To assess the manner in which the knowledge construction interventions influence the learning outcomes from computerized information systems, we have developed an online computer-based information system that describes the functions and mechanisms associated with the bus system of the US army Abrams M1A2 tank. Seven versions …


Antecedents Of Information Systems Backsourcing, Natalia Veltri Jan 2005

Antecedents Of Information Systems Backsourcing, Natalia Veltri

Electronic Theses and Dissertations

This dissertation examines backsourcing of corporate IS activities, and why IS outsourcing clients decide to backsource. Information Systems (IS) backsourcing is a business practice in which a company takes back in-house assets, activities, and skills that are part of its IS operations and were previously outsourced to one or more outside information service suppliers. Focusing on economic, strategic and relationship motives, a number of theoretical backsourcing factors is derived from transaction cost theory, agency theory, core competency perspective, IOR theory and marketing channels literature. To identify factors salient in IS backsourcing and to examine the process of backsourcing this dissertation …