Digital Commons Network^™

User Authentication And Supervision In Networked Systems, Paul Steven Dowland

School of Engineering, Computing and Mathematics Theses

This thesis considers the problem of user authentication and supervision in networked systems. The issue of user authentication is one of on-going concern in modem IT systems with the increased use of computer systems to store and provide access to sensitive information resources. While the traditional username/password login combination can be used to protect access to resources (when used appropriately), users often compromise the security that these methods can provide. While alternative (and often more secure) systems are available, these alternatives usually require expensive hardware to be purchased and integrated into IT systems. Even if alternatives are available (and financially …

Organizational Forming In Amodern Times: Reinserting The Dynamic Into The Organizational, Paul Donnelly

Conference papers

While there is an obvious concern that “new organizational forms” are appearing, and despite the topic receiving increased attention, scholars, as yet, have been unable to theorize, grasp or account for these new forms adequately. In continuing to look for the ‘new’ with ‘old’ lenses, we are seeing neither real departure from Weberian conceptualizations other than oppositional approaches still in search of an essential entity, nor much consideration given to the possibility that the paradigmatic approach to form is also part of the problem. In light of this, I posit that thinking within a modernist epistemological framework has served to …

Affordance, Attention And Laterality, Lari Vainio

School of Psychology Theses

This thesis examines object-guided actions. Recently, micro-affordance effects have shown that a visual object affords actions automatically. These effects are observed when the grasp type (precision and power grasp) is facilitated by size (small and large) of the categorized object (the object-size effect), or when right or left hand responses are facilitated by object orientation (the object-orientation effect). It has been shown elsewhere that attentional mechanisms have a vital role in visually guided movements. In addition, visually guided movements have associated with hemispheric lateralization. Thus, the central focus of the thesis was the role of different components of attention (location-based-, …

Advanced User Authentification For Mobile Devices, Nathan Clarke

School of Engineering, Computing and Mathematics Theses

Recent years have witnessed widespread adoption of mobile devices. Whereas initial popularity was driven by voice telephony services, capabilities are now broadening to allow an increasing range of data orientated services. Such services serve to extend the range of sensitive data accessible through such devices and will in turn increase the requirement for reliable authentication of users. This thesis considers the authentication requirements of mobile devices and proposes novel mechanisms to improve upon the current state of the art. The investigation begins with an examination of existing authentication techniques, and illustrates a wide range of drawbacks. A survey of end-users …

Do On-Off Variations Cause Discrepancies In The Historical Items Of The Updrs?, Camille B. Carroll, Peter G. Bain

Peninsula Medical School

No abstract provided.

Deconstructing The Tower Of London : Resolution, Alternatives And Executive Function, Hassina Carder-Gilbert

School of Psychology Theses

Although widely employed as an executive task, the performance demands of the Tower of London task (TOL) are not well understood. The aim of this Thesis is to determine what TOL measures and seven studies are included that illustrate its performance demands. Much of the work is experimental and TOL is explored via a novel verification paradigm in which participants make speeded judgements about whether a demonstrated move is optimal or suboptimal. The deconstruction of the task to the level of the individual move indicated that the number of moves until a disk was placed in its goal position (resolution) …

Vision-Based Urban Navigation Procedures For Verbally Instructed Robots, Theocharis Kyriacou

School of Engineering, Computing and Mathematics Theses

The work presented in this thesis is part of a project in instruction based learning (IBL) for mobile robots were a robot is designed that can be instructed by its users through unconstrained natural language. The robot uses vision guidance to follow route instructions in a miniature town model. The aim of the work presented here was to determine the functional vocabulary of the robot in the form of "primitive procedures". In contrast to previous work in the field of instructable robots this was done following a "user-centred" approach were the main concern was to create primitive procedures that can …

Integrating Perception, Language And Problem Solving In A Cognitive Agent For A Mobile Robot., Deryle W. Lonsdale, D. Paul Benjamin, Damian M. Lyons

Faculty Publications

We are implementing a unified cognitive architecture for a mobile robot. Our goal is to endow a robot agent with the full range of cognitive abilities, including perception, use of natural language, learning and the ability to solve complex problems. The perspective of this work is that an architecture based on a unified theory of robot cognition has the best chance of attaining human-level performance.

This agent architecture is an integration of three theories: a theory of cognition embodied in the Soar system, the RS formal model of sensorimotor activity and an algebraic theory of decomposition and reformulation.

These three …

Ten Efficient Research Strategies For Distance Learning, Thomas C. Wright, Scott L. Howell

Faculty Publications

Today's distance education administrator, frequently with an expertise in another academic discipline, is also supposed to be a distance education scholar. This expectation results from the recent interest in distance learning that nearly all institutions of learning and disciplines of study have shown. More research, studies, journals, and essays about distance education also exist than at any other time.

A distance education administrator and an education research librarian at Brigham Young University have teamed up to identify ten pragmatic research strategies to help new, busy, and even a few experienced distance education administrators stay current in their field and successful …

Liquid Crystal Based Optical Switches, Yuliya Semenova, S. Dovgalets, Yuri Panarin, Gerald Farrell

Articles

Optical switches using two electro-optical effects in liquid crystals are proposed and investigated for incorporation in a switch matrix for optical networks. These two devices employ selective reflection in cholesteric layers and total reflection at the border between glass and nematic liquid crystal. Prototypes of these switches have been designed and their parameters have been investigated. Initial results suggest the switching contrast ratio of 38.5 and 42 dB, respectively, with insertion loss about 2.3…2.9 dB for polarized light.

Implementation Of New Modified Smith Predictor Designs, Pauline Sourdille, Aidan O'Dwyer

Conference papers

This paper outlines two modified Smith predictors developed previously by the authors and then presents the implementation results of these structures for the control of a pilot scale heating and ventilation system, the PT 326 process trainer from Feedback Instruments Ltd. These results are compared to the results obtained with a Smith predictor structure.

Optimal Control Strategy Of Upqc For Minimum Operational Losses, Malabika Basu, Michael Farrell, Michael Conlon, Kevin Gaughan, Eugene Coyle

Conference papers

The paper deals with a new control technique for a unified power quality conditioner (UPQC), which is the most comprehensive of FACTS devices. The problems of power quality continue to gain in significance because of the proliferation of sensitive and harmonic producing loads in electrical networks. Greater awareness among customers with regard to supply integrity and a desire by suppliers to be able to guarantee a certain degree of power quality to customers is being reflected in the development of innovative power quality solutions. The UPQC, which is a combination of shunt and series compensation, is designed to cater for …

Description Of A Program For Social Language Intervention: “If You Can Have A Conversation, You Can Have A Relationship, Lee Robinson, Bonnie Brinton, Martin Fujiki

Faculty Publications

Adolescents with impaired language comprehension and formulation skills often experience difficulty keeping up with the linguistic and social demands of peer interaction. This clinical exchange describes an individualized treatment program designed to increase the conversational skill of an adolescent male with language impairment. Treatment focused on increasing awareness of the listener’s needs and on balancing the exchange of conversational turns. Clinical performance, parent report, and client report were used to assess outcomes.

Redesigning The Teacher Education Technology Course To Emphasize Integration, Charles R. Graham, Richard Culatta, Mitchell Pratt, Richard West

Faculty Publications

Teacher education programs in the United States are trying to equip tomorrow’s teachers with the technology skills needed to impact learning in the classroom. During the past decade there has been a realization that teaching technology skills alone is not adequate– pre-service teachers must also learn how to integrate the use of technology into their curriculum. This paper describes BYU’s instructional technology course and the design process that a team of instructors went through to redesign the course in order to put greater emphasis on technology integration. An iterative redesign approach was used. Several iterations of the course redesign will …

“The Corporate Conscience” And Other First Amendment Follies In Pacific Gas & Electric

San Diego Law Review

No abstract provided.

Remembering The Forgotten Ones: Protecting The Elderly From Financial Abuse

San Diego Law Review

There is nothing new about fraudulently taking money from people, particularly the elderly. The elderly population is rapidly increasing, however, and is readily accessible by telephone and mail. As a result, the elderly are easy targets for financial abuse. Such abuse can emanate from several sources, including people the victims know and trust, particularly family and friends.

Perpetrators can be people upon whom the elderly depend for care. Abuse can also come from strangers with whom elderly victims have no direct contact. This Article focuses primarily on the financial abuse of the elderly by strangers.

The Deferred Action Program Of The Bureau Of Citizenship And Immigration Services: A Possible Remedy For Impossible Immigration Cases

San Diego Law Review

This beneficent operations instruction permitted two alternative interpretations, each of which was taken up by the federal courts. In the case of Nicholas v. INS, the petitioner asked the Ninth Circuit Court of Appeals to overrule the district director’s decision to deny his nonpriority status application. The court determined that the operations instruction confers a “substantive benefit upon the alien, rather than setting up an administrative convenience,”and thus is essentially a legislative rule requiring a strict standard of application, and not one allowing the INS a significant amount of discretion. The Fifth Circuit held in Soon Bok Yoon v. INS …

Can Promise Enforcement Save Affordable Housing In The United States?

San Diego Law Review

Promise Enforcement is my original approach to the development of affordable housing. Promise Enforcement, as a system, includes three components: (1) contextual thinking; (2) valuing individuality, and (3) comprehensive responsibility. Contextual thinking involves a sense of environmental, historical, and geographic context. Valuing individuality allows residents of public housing to express themselves as unique individuals. Comprehensive responsibility involves a complete understanding of the costs and benefits of affordable housing. The theory was inspired in part by the work of Austrian activist, artist, and architect Friedensreich Hundertwasser and the writings of French social contract theorist Jean-Jacques Rousseau. My article that introduced the …

Likelihood Of Confusion

San Diego Law Review

The primary objective of this Article is to illustrate the tendency of judges to inappropriately rely on personal intuition and subjective, internalized stereotypes when ruling on trademark disputes. Where jurists perceive consumers as ludicrously easily confused, trademark holders can exploit these views to secure broad trademark “rights,” often without offering a shred of evidentiary corroboration concerning such confusion. As a consequence, the proof required to support allegations that a trademark usage creates a likelihood of confusion is potentially lessened in all cases, making trademarks normatively stronger, broader, and ever easier to “protect” for mark holders. Whether consumers realistically benefit from …

In The Wake Of Enzo: The Impact Of The Federal Circuit’S Decision On The U.S. Life Science Industry

San Diego Law Review

The United States spends more on health care than any other country in the world.The U.S. Patent and Trademark Office (PTO) helps drive health care costs higher by awarding monopolies to scientific researchers whose inventions meet the requirements dictated by Title 35 of the U.S. Code.3 Once the PTO awards such a monopoly, the inventor is the only party legally entitled to make, use, or sell the invention in the United States. Though monopolies are thought to impair competition, under the U.S. system these exclusionary rights are the rewards an inventor earns in exchange for enriching the pool of publicly …

Obstructing Justice: The Rise And Fall Of The Aedpa

San Diego Law Review

From 1994 through as late as August 2001, the United States intelligence community1

received information that terrorists had seriously contemplated using airplanes as instruments for carrying out international terrorist attacks.2

This method of attack was clearly “discussed in terrorist circles,” yet community analysts demonstrated little effort to strategically counter such terrorist groups. Moreover, in 1998, U.S. intelligence received specific information that “a group of unidentified Arabs planned to fly an explosive-laden plane from a foreign country into the World Trade Center.” In July 2001, senior government officials were warned of “a significant terrorist attack against U.S. and/or Israeli interests in …

On-Road Motor Vehicle Emissions From Around The World, Donald H. Stedman, Gary A. Bishop

Fuel Efficiency Automobile Test Publications

In 1993, on-road emissions in Continental Europe showed a pronounced South/North declining gradient for CO, HC and NO fuel specific emissions (gm/kg). Emissions in Hamburg and Rotterdam were comparable to emissions measured in 1993 in the U.S.A. with the same on-road instrument. Contrasts between emissions in the USA, the UK and Sweden demonstrated the importance both of modern catalysts and of good maintenance. The same contrast in 1998 shows the same picture but lower emissions at all three locations. In the decade from 1993-2003, U.S. emissions have declined markedly, apparently mainly as a result of lower emitting, better maintained, new …

Classifying And Responding To Network Intrusions, Maria Papadaki

School of Engineering, Computing and Mathematics Theses

Intrusion detection systems (IDS) have been widely adopted within the IT community, as passive monitoring tools that report security related problems to system administrators. However, the increasing number and evolving complexity of attacks, along with the growth and complexity of networking infrastructures, has led to overwhelming numbers of IDS alerts, which allow significantly smaller timeframe for a human to respond. The need for automated response is therefore very much evident. However, the adoption of such approaches has been constrained by practical limitations and administrators' consequent mistrust of systems' abilities to issue appropriate responses. The thesis presents a thorough analysis of …

Heated Tooling For Aerospace Composites Manufacture, Losif Progoulakis

School of Engineering, Computing and Mathematics Theses

The increasingly high capital investment required for large autoclaves, ovens and facilities for the processmg of large composite components creates a number of financial constraints for the development and manufacturing of larger composite aircraft products. This thesis has investigated the use of heated tooling as an alternative to the use of autoclave and oven curing. A design and development methodology for heated tools has been proposed while a number of heated tooling options have been identified and described. Three representative heated tool options using heater mats, electro-conductive textiles and wire heater elements have been evaluated. The curing capability of a …

Guidance And Control Of An Autonomous Underwater Vehicle, Wasif Naeem

School of Engineering, Computing and Mathematics Theses

A cooperative project between the Universities of Plymouth and Cranfield was aimed at designing and developing an autonomous underwater vehicle named Hammerhead. The work presented herein is to formulate an advance guidance and control system and to implement it in the Hammerhead. This involves the description of Hammerhead hardware from a control system perspective. In addition to the control system, an intelligent navigation scheme and a state of the art vision system is also developed. However, the development of these submodules is out of the scope of this thesis. To model an underwater vehicle, the traditional way is to acquire …

Front Matter

The Writing Center Journal

No abstract provided.

Review: The Center Will Hold: Critical Perspectives On Writing Center Scholarship, Lauren Fitzgerald

The Writing Center Journal

No abstract provided.

Announcements

The Writing Center Journal

No abstract provided.

Applications Of Simulation In Semiconductor Manufacturing Facilities, Amr Arisha, Paul Young

Conference papers

Semiconductor fabrication facilities face many challenges through the many phases of their life cycle including design, build, various production ramps, and many levels of production. Confronted with global competition and rapidly changing technology and customer requirements, there is an increasing demand for rapid solution techniques to improve efficiency in manufacturing. The complexities and forces of both market and the process combine to make the use of simulation crucial at many different planning and control levels. While not a panacea for sustainable performance, simulation provides an effective vehicle for defining the path from competitive concepts to real world solutions and gives …

Quality Assurance Of Cervical Smear Slide Inspection Using A Novel Eye-Tracking Technique, Lee Roy Coombes

School of Engineering, Computing and Mathematics Theses

A novel objective quality assurance system for smear slide screening is investigated in this thesis. A method of data validation was developed that compares data from an eye tracked image display, machine image colour texture analysis and expert judgements in a statistical manner to identify salient areas of cervical cytological images. These data are used to construct screener performance profiles, which have been compared to screener experience. The experimental methodology is described and how the screener performance profile is constructed. Results from a study of 10 screeners, checkers and pathologists are presented showing predicted trends of human performance. Relations to …