Computer Sciences Commons^™

Information Assurance Through Binary Vulnerability Auditing, William B. Kimball, Saverio Perugini

Computer Science Faculty Publications

The goal of this research is to develop improved methods of discovering vulnerabilities in software. A large volume of software, from the most frequently used programs on a desktop computer, such as web browsers, e-mail programs, and word processing applications, to mission-critical services for the space shuttle, is unintentionally vulnerable to attacks and thus insecure. By seeking to improve the identification of vulnerabilities in software, the security community can save the time and money necessary to restore compromised computer systems. In addition, this research is imperative to activities of national security such as counterterrorism. The current approach involves a systematic …

Using Sketches And Knowledge Bases For Geo-Spatial Image Retrieval, Michela Bertolotto, James Carswell, E Mcloughlin, D O'Sullivan, C Wilson

Articles

This paper presents research in the field of knowledge management for geo-spatial imagery including scanned aerial photos and satellite images. We have developed a web-based system that allows users to query a database of images not only using metadata, but also drawing sketches of configurations of objects they are interested in as well as inputting textual descriptions of their intended task. Our system integrates case-based reasoning techniques to form a knowledge base from previously issued queries that can be exploited to improve future query processing and to build organizational memory through experience capture. The effective design and implementation of a …

An Experience On Problem Based Learning In An Engineering Faculty, Cüneyt Güzeli̇ş

Turkish Journal of Electrical Engineering and Computer Sciences

In 2001, Engineering Faculty of Dokuz Eylül University has started to change its undergraduate education in a radical way. As being among the first examples in the world, the Departments of Electrical and Electronics, Geological and Geophysics Engineering in 2002 and Mining Engineering Department in 2003 have adopted the so-called "modular-staged problem based active learning system". The system is based on real engineering problems which values teamwork and the integration of information from different disciplines and it places the student at the center of the learning process. The faculty has learned many things and it needs to learn many other …

An International Dialogue On Electrical Engineering Education, Thales Papazoglou

Turkish Journal of Electrical Engineering and Computer Sciences

. PAPAZOGLOU Chairman -- ELCOMPEET'04 Technological Educational Institute of Crete, GREECE e-mail: [email protected]

Computational Sciences: At The Intersection Of Science And Engineering--Case Study For Academic And Research Programs, Menas Kafatos, Peter Becker, Zafer Boybeyi̇

Turkish Journal of Electrical Engineering and Computer Sciences

No abstract provided.

Modeling And Simulation Concepts In Engineering Education: Virtual Tools, Levent Sevgi̇

Turkish Journal of Electrical Engineering and Computer Sciences

This article reviews fundamental concepts of modeling and simulation in computational sciences, such as a model, analytical- and numerical-based modeling, simulation, validation, verification, etc., in relation to the virtual labs widely-offered as parts of engineering education. Virtual tools that can be used in electromagnetic engineering are also introduced.

Readjusting The Current Trend In Electrical Power Engineering, Johan Smit, Peter Morshuis, Edward Gulski

Turkish Journal of Electrical Engineering and Computer Sciences

In this paper the electrical power education curriculum is analyzed from the viewpoint of the electrical power industry and from the viewpoint of young people that contemplate their future academic study. From the perspective of young people in industrialized countries contemplating their future and the possibilities of an academic study, the current curriculum in (power) engineering lacks attraction. The number of freshmen still shows a decreasing trend. This paper is aimed to be a contribution towards readjusting this trend

Online Learning Resource For Smooth Transition From High School To Engineering Education, Riadh W. Y. Habash, Christine Suurtaam, Mustapha C. E. Yagoub, Karima Kara, Ghanim Ibrahim

Turkish Journal of Electrical Engineering and Computer Sciences

Although high school mathematics curriculum documents in Ontario, Canada have, for the past two decades, made calls for classroom practices involving both modeling and applications, students still experience difficulties in moving into a university engineering program. This paper discusses a new initiative in online learning and the teaching of mathematical modeling and applications in engineering education at the University of Ottawa, Canada. In particular, we explore how modeling and Internet technologies can enhance progress in engineering education.

A Labview-Based Virtual Instrument For Engineering Education: A Numerical Fourier Transform Tool, Levent Sevgi̇, Çağatay Uluişik

Turkish Journal of Electrical Engineering and Computer Sciences

Engineering is based on practice. The minima of this practice should be given during the university education. This has become more and more comprehensive and expensive parallel to high-technology devices developed and presented to societies. Computers, microprocessor-based devices, programmable systems on Chip (PSoC), etc., make engineering education not only very complex but interdisciplinary as well. Building undergraduate labs has become more and more expensive if only physical experimentation and hands-on training are targeted. On the other hand, simple, comparatively much cheaper software may turn a regular personal computer (PC) into a virtual lab. The key question therefore is, to establish …

Complex Analysis Of The Lossy-Transmission Line Theory: A Generalized Smith Chart, E. Gago-Ribas, C. Dehesa-Martinez, M. J. Gonzalez-Morales

Turkish Journal of Electrical Engineering and Computer Sciences

It has been very usual in the specialized literature to skip the detailed study of the lossy transmission line theory by reducing it to the low-loss approximation. Although this is valid in the most common practical cases, the study of the general lossy case becomes very important due to the fact that it makes possible a better and deeper understanding of the physical effects associated to general losses, as well as the low-loss frequency-dependent regime. Besides, the analysis of the general case provides important results that may be extended to the analysis of real waveguiding systems, facilitating the understanding and …

An Adaptive Feedforward Amplifier Application For 5.8 Ghz, Engi̇n Kurt, Osman Palamutçuoğullari

Turkish Journal of Electrical Engineering and Computer Sciences

In this study, a 5.8 GHz power amplifier is linearized by an adaptive feedforward technique. A DSP-based control scheme is applied to reduce the intermodulation distortion of this amplifier. A two-tone test is used to verify the design.

Artificial Neural Design Of Microstrip Antennas, Nurhan Türker, Fi̇li̇z Güneş, Tülay Yildirim

Turkish Journal of Electrical Engineering and Computer Sciences

A general design procedure is suggested for microstrip antennas using artificial neural networks and this is demonstrated using rectangular patch geometry. In this design procedure, synthesis is defined as the forward side and then analysis as the reverse side of the problem. Worked examples are given using the most efficient materials.

Using Neural Networks To Develop A New Model To Screen Applicants For Apartment Rentals, Michael T. Furick

CCAC Theses and Dissertations

Credit scoring is a mathematical means of summarizing a consumer's credit and financial history into a three-digit number. This number provides an easy means of identifying and sorting consumer behavior into categories based on their financial history. To select applicants for loans and to set interest rates on loans, banks and financial institutions routinely use credit scoring. Auto insurance companies also use scoring to decide which consumers will be offered auto insurance and to set the price for auto insurance. Despite success in these two industries, scoring does not appear to be effective in the apartment rental industry in picking …

Information Policies And Practices Of Knowledge Management(Km) As Related To The Development Of The Global Aviation Information Network(Gain)- An Applied Case Study And Taxonomy Development, Jeffrey S. Forrest

CCAC Theses and Dissertations

The Global Aviation Information Network (GAIN) was initiated in response to U.S. Government policies seeking to reduce airline accidents. GAIN was to disseminate airline or aviation safety information in environments where public disclosure impedes the diffusion of information. Government legislation such as the U.S. Freedom of Information Act and other information policies create risks of public disclosure to those reporting information. Therefore, the problem investigated in this research was to identity and evaluate potential solutions to policy issues in public disclosure that prevent the collection and sharing of aviation safety information.

Interactions between GAIN, information policy, and knowledge management (KM) …

A Faculty Development Handbook For Quality Online Instruction, Joan Carol Frese

CCAC Theses and Dissertations

The offering of online classes has been growing at an incredible rate. Many institutions coerce their instructors into teaching online classes even if they are not prepared. If teachers are unprepared when they teach, there is a negative effect on the students and can jeopardize the reputation of the institution. In order to teach over the Internet, instructors need to learn new competencies. Students in online classes are usually not traditional students. In addition, there can be miscommunication in online classes, because there are no visual cues. Instructors need to learn new communication strategies as well as teaching strategies for …

Developing A Nisga'a Learning Objects Repository For Use In The Schools, Kim A. Hansen

CCAC Theses and Dissertations

The use of information technologies to develop, manage, access, and to use learning resources and content from a variety of sources has changed the academic and learning environment. There was a need to focus on the identification of tools and the development of skills to manage these resources, particularly in the kindergarten to grade 12 classrooms. For the students and educators of School District 92 (Nisga' a), there was also a need to provide access to important Nisga'a cultural and heritage learning objects as many preserved videos, pictures, historic documents, cultural teaching materials, and various printed matter were not available …

Standards Directory: An Engineering And Technology Standards Digital Library And Information Retrieval System For The Walt Disney Company, Shawn Harrs

CCAC Theses and Dissertations

Walt Disney Company (Company) engineers and architects utilize engineering and technology standards in the design, development, and maintenance of its physical infrastructure worldwide. There was a need to improve the methods by which Company standards are organized and retrieved. While the leading commercial information brokers for engineering and technology standards provide standards search engines and online standards catalogs, these search services are poor in supporting standards seekers who have only a general understanding of their information needs because their searches only utilize a standard's document number, title, and keywords as metadata for searching.

In order to provide a tool for …

An Investigation Of The Effects Of The Gerogis Framework For Integrating Technology(In Tech) Training Program On Teachers' Computer Self-Efficacy And Computer Utilization, Ian Johnson

CCAC Theses and Dissertations

National technology standards drafted by the International Society for Technology in Education (ISTE) are incorporated into the technology standards required of American public schools. The state board of education in Georgia instituted the Georgia Framework for Integrating TECHnology (InTech), which is a 50-hour training program that prepares teachers to help their students accomplish technology standards and performance objectives.

The goal of this study was to investigate the effects on teachers' computer self-efficacy, technology integration, current instructional practices, personal computer use and factors relating to use or non-use of computers in the curriculum after completing the Georgia Framework for Integrating TECHnology …

Privacy Policies: A Study Of Their Use Among Online Canadian Pharmacies, Joanne Kuzma

CCAC Theses and Dissertations

The use of online Canadian pharmacies has grown over the past decade due to lower cost medications and ease of use. In order for these firms to gain business and marketing information, they collect a variety of consumer data. This has raised concerns among consumers as to privacy issues of the data collected by these online firms. However, researchers have not effectively examined how online consumers value specific privacy factors when deciding whether to use the sites. Also, studies have not determined if many of these sites have comprehensive privacy policies that indicate if they protect consumers' data for a …

An Improved Multi-Objective Evolutionary Algorithm With Adaptable Parameters, Khoa Duc Tran

CCAC Theses and Dissertations

Multi-Objective Evolutionary Algorithms (MOEAs) are not easy to use because they require parameter tunings of three main parameters - population size, crossover probability, and mutation probability - in order to achieve desirable solutions and performance for an arbitrary complex problem. Moreover, the use of fixed parameter settings may lead to slow convergence and sub-optimal solutions. This dissertation develops a MOEA with self-adaptive crossover, self-adaptive mutation, and adaptive population size parameters for automating the process of adjusting appropriate parameter values in order to make the MOEA more efficient, simple to use and available to more users. The MOEA with adaptable parameters …

A Quantitative Analysis Of Performance In A Multi-Protocol Ad Hoc 802.11b-Based Wireless Local Network, Paul Christian Nielsen Jr.

CCAC Theses and Dissertations

The popularity of the Internet and the growing demand for ubiquitous connectivity accelerate the need for viable wireless local area network (WLAN) solutions. As a consequence, increasing number of manufacturers have adopted the Institute of Electrical and Electronic Engineers (IEEE) 802.11a/b/g set of WLAN standards and produced inexpensive wireless products to expand capabilities of existing LANs. IEEE 802.11 b wireless products are widely accepted. Mobile ad hoc networks, a variant of the 802.11 standards, exist without the requirement for a wired infrastructure or host to provide routing, connectivity, and maintenance services. Because of the high variability of environments in which …

Blogging: An Inquiry Into The Efficacy Of A Web-Based Technology For Student Reflection In Community College Computer Science Programs, Jane W. Perschbach

CCAC Theses and Dissertations

Reflection in learning is a pedagogical technique used to promote the higher order cognitive skills of analysis, synthesis, and evaluation that constitute the concept of critical thinking. To foster reflection in learning, the Internet technology of online journals known as blogs was employed in a two-semester, four-course investigation of the efficacy of this educational technology for vocational computer science students in a community college. The process involved an instructor-designed and maintained course blog containing suggestions for student reflection as well as hyperlinks to individual student peer blogs. Students were required to read both the course and peer blogs, and to …

Establishing A New Paradigm In Engineering And Technology Education: An Experimental Analysis Of Multiple Learning Methodologies And Examination Of Cognitive Profiles Of Continuing Education Students, James A. Sinclair

CCAC Theses and Dissertations

This study consisted of two inter-related components. The first part compared three instructional methods for delivering a Computer Aided Design (CAD) course for adult Continuing Education (CE) students. The second part established a comprehensive cognitive profile matrix of adult continuing education students entering careers in technology. The first part examined the use of three delivery methods, using three randomly selected groups of students. The three methods were as following:

• Traditional classroom-based training.
• Instructor-facilitated course presented online.
• Independent study, using a CD-ROM tutorial.

The experimental design consisted of three randomly selected sample groups’ of20 students. The independent variable in the study …

Wind Power, Distributed Generation: New Challenges, New Solutions, Vladimiro Miranda

Turkish Journal of Electrical Engineering and Computer Sciences

This paper discusses some issues related with the growing importance of wind power and in modern power systems and some challenges raised by the emergence of distributed generation, and how computational intelligence and other modern techniques have been able to provide valuable results in solving the new problems. It presents some solutions obtained with a number of computational intelligence techniques and their application to real cases.

Semi-Automated Grading Of Novice Java Programs For An Online Grading System, Micheal Alexis Ponniah

Theses, Dissertations and Culminating Projects

In recent years, World Wide Web usage for teaching and learning has increased rapidly. At the same time, even with some computerized works involved, the traditional grading of home works have not changed too much. Clearly an online grading system would be a highly desirable addition to the educational tool-kit, particularly if it can provide less costly and more effective outcome. The task of grading student programs is neither simple nor entirely mechanical; rather, it is often a tedious and laborious process that is prone to human error. Recently there are a lot of researches in automating this job. Of …

Discovery Agent : An Interactive Approach For The Discovery Of Inclusion Dependencies, Dhaval B. Patel

Theses, Dissertations and Culminating Projects

The information integration problem is a hard yet important problem in the field of databases. The goal of information integration is to provide unified views on diverse data among several resources. This subject has been studied for a long time. The integration can be performed using several ways. Schema integration using inclusion dependency constraints is one of them. The problem of discovering inclusion dependencies among input relations is NP-complete in terms of the number of attributes.

Two significant algorithms address this problem: FIND₂ by Andreas Koeller and Zigzag by Fabien De Marchi. Both algorithms discover inclusion dependencies among input …

Scholarly Communication And Knowledge Management In American Zoos, Julia Innes

CCAC Theses and Dissertations

The researcher investigated whether frontline, tacit knowledge about zoo animals was captured by zookeepers, curators, researchers, veterinarians, and outside researchers and, if so, whether and how it was transmitted into the scholarly literature. A bibliometric analysis was done of a representative sample of peer-reviewed zoo research articles published between 1973 and 200 I. This was extended to grey literature and acknowledgements statements from the same period to obtain a more global picture.

Research participants were evaluated in terms of their contributions (journal articles, conference papers, or acknowledged research assistance). Changes were mapped chronologically and by profess ion. The participation of …

A Comprehensive Analysis Of The Effect Of Microarray Data, Monika Ray, Johannes Freudenberg, Weixiong Zhang

All Computer Science and Engineering Research

Background: Microarray data preprocessing, such as differentially expressed (DE) genes selection, is performed prior to higher level statistical analysis in order to account for technical variability. Preprocessing for the Affymetrix GeneChip includes background correction, normalisation and summarisation. Numerous preprocessing methods have been proposed with little consensus as to which is the most suitable. Furthermore, due to poor concordance among results from cross-platform analyses, protocols are being developed to enable cross-platform reproducibility. However, the effect of data analysis on a single platform is still unknown. The objective of our study is two-fold: first to determine whether there is consistency in the …

The Meta-Theory Of Q_0 In The Calculus Of Inductive Constructions, Master's Thesis, May 2006, Li-Yang Tan

All Computer Science and Engineering Research

The notion of a proof is central to all of mathematics. In the language of formal logic, a proof is a finite sequence of inferences from a set of axioms, and any statement one yields from such a finitistic procedure is called a theorem. For better or for worse, this is far from the form a traditional mathematical proof takes. Mathematicians write proofs that omit routine logical steps, and details deemed tangential to the central result are often elided. These proofs are fuzzy and human-centric, and a great amount of context is assumed on the part of the reader. While …

The Remote-Clique Problem Revisited, Benjamin E. Birnbaum

All Computer Science and Engineering Research

Given a positive integer k and a complete graph with non-negative edge weights that satisfy the triangle inequality, the remote-clique problem is to find a subset of k vertices having a maximum-weight induced subgraph. A greedy algorithm for the problem has been shown to have an approximation ratio of 4, but this analysis was not shown to be tight. In this thesis, we present an algorithm called d-Greedy Augment that generalizes this greedy algorithm (they are equivalent when d = 1). We use the technique of factor-revealing linear programs to prove that d-Greedy Augment, which has a running time of …