Open Access. Powered by Scholars. Published by Universities.®
- Keyword
-
- IPRI (3)
- Information technology • data security • privacy • associations • association databases • direct access control • inference control • inference detection • unauthorized inference • confidentiality • mandatory model • logic reasoning • probabilistic reasoning • belief networks • logic inference rules • probabilistic inference rule (1)
Articles 1 - 30 of 136
Full-Text Articles in Entire DC Network
Beyond The Moons Of August, Beatriz Copello
Beyond The Moons Of August, Beatriz Copello
University of Wollongong Thesis Collection 1954-2016
"Beyond the Moons of August" was born from my angst about recording and understanding my past. While writing this manuscript, I submerged myself in the depths of my mind, by conjuring the dead and finally putting them to rest, and rescuing from my memory stories, people and events long buried in this invisible cemetery. Through writing this novel I recreated my past, I re-interpreted events long gone, I sought revenge and forgiveness. Catharsis and creativity went hand in hand with the writing of "Beyond the Moons of August".
This book represents an era of my life which, like a shadow, …
"Rekindling The Spirit Of Adventure: Through Participation In The Expedition Component Of The Duke Of Edinburgh's Award : The Value Of This Challenge For The Participant", Peter L. Bailey
University of Wollongong Thesis Collection 1954-2016
Each year thousands of students are involved in the Bronze Duke of Edinburgh's Award. The Award is divided into four components: community service, a physical recreation pursuit a personal skill development and the expedition component. The expedition component requires a two day one night preliminary expedition and a two day and one night qualifying expedition. This research explores the Bronze Duke of Edinburgh's Award Expedition in terms of active involvement, cooperative teamwork, self-confidence, social effectiveness, stress management and time efficiency during these expeditions.
This research involves a case study of the Bronze Duke of Edinburgh's Award program at Southern Highlands …
Creating Engaging Self-Learning Opportunities For Out-Of-School Children In Sri Lanka: Employing Constructivist Design Principles For Distance And Open Learning, Nandawathie Wanniarachchi Kankanange
Creating Engaging Self-Learning Opportunities For Out-Of-School Children In Sri Lanka: Employing Constructivist Design Principles For Distance And Open Learning, Nandawathie Wanniarachchi Kankanange
University of Wollongong Thesis Collection 1954-2016
Education plays a vital role in improving people's quality of life and is an essential part of social and human development. Addressing the issue of access to quality education is a matter of urgency, and yet the formal education system has not tended to provide education for all. For out-of school children, therefore, distance and open learning methodologies have been adopted by developing countries as an alternative path to address their educational needs. The challenge is h o w to develop suitable programs and learning materials to motivate and engage learners to learn.
The purpose of this study was to …
Understanding Magistrates' Work, Garry Francis Hiskey
Understanding Magistrates' Work, Garry Francis Hiskey
University of Wollongong Thesis Collection 1954-2016
Magistrates hear about 98% of the criminal cases and about 90% the civil cases in courts in Australia.
This thesis examines the understanding magistrates have of their work. It provides an analysis of what magistrates do in court and their understanding of this work. The core data is based on reflections by and discussion with magistrates about what they do in court and the data identifies three core aspects of their daily work experience: decision-making, communication and work environment. The thesis shows how these concepts are themselves interlinked.
The thesis examines some (very little) 'official' or 'objective' information on what …
Adaptation To Renal Transplantation: An Exploratory Qualitative Study, Edwin Maurice Bouvet
Adaptation To Renal Transplantation: An Exploratory Qualitative Study, Edwin Maurice Bouvet
University of Wollongong Thesis Collection 1954-2016
Knowledge of individual client's emotional and psychological reactions to renal transplantation is essential for the effective delivery of preoperative and post-operative nursing care. In this study six recipients of donor kidneys were each interviewed over a period of six months at two monthly intervals.
The interviews were unstructured, almost conversational, and the qualitative data collected was analysed based on the principles of phenomenology and organized into eight basic themes. After close examination of the material collected, significant issues of concern were identified and these became the focus of further and more intense study. This culminated in chapter six with three …
Evaluation Of An Eight Week Modified Exercise Program For Overweight Children, Brodie Cambourne
Evaluation Of An Eight Week Modified Exercise Program For Overweight Children, Brodie Cambourne
University of Wollongong Thesis Collection 1954-2016
The incidence of overweight and obesity amongst Australian children is high and steadily increasing. Reasons offered for this trend in childhood obesity include increase in availability of foods high in fat and decreased opportunity to participate in regular exercise. Recent research is bringing light to the difficulties overweight children have participating in daily living tasks. These difficulties are a result of the excess weight carried by these children and include a decreased range of motion, impaired balance and co-ordination and increased energy expenditure during daily tasks. A solution for combating this increase in childhood obesity, may be to provide children …
Carbon Based Anode Materials For Lithium-Ion Batteries, Yueping Yao
Carbon Based Anode Materials For Lithium-Ion Batteries, Yueping Yao
University of Wollongong Thesis Collection 1954-2016
A systematic investigation of carbon based anode materials has been made in this Master’s thesis project. The physical, structural and electrochemical properties of these anode materials have been characterized by a variety of techniques. A literature review summarizes the principles of lithium-ion battery operation, cathode materials, anode materials and electrolytes. Multiwall carbon nanotubes (MWNTs) were synthesized by chemical vapor deposition (CVD) method, using nanocrystalline iron powders as the catalyst. The diameter of the as-prepared MWNTs is about 20-50nm. Electrochemical testing shows that the MWNT electrodes had a reversible lithium storage capacity of 340-350mAh/g. The kinetics of Li-ion insertion in carbon …
Seam Position Detection In Pulsed Gas Metal Arc Welding, Hao Shen
Seam Position Detection In Pulsed Gas Metal Arc Welding, Hao Shen
University of Wollongong Thesis Collection 1954-2016
Lack of fusion is a commonly occurring defect in Pulsed Transfer Gas Metal Arc Welding. Under optimum process parameter settings, such defects are mainly caused by positional error of the torch in relation to the joint profile. This project investigated relationships between seam tracking error and welding process parameters in order to detect lack of fusion. Using digital signal processing techniques, it was found that there existed consistent linear relationships between torch standoff and process variables in both the time and frequency domains. In the time domain, when the torch standoff increases, the mean values of both current power decrease, …
Solar Activity And Recent Climate Change: Evaluating The Impact Of Geomagnetic Activity On Atmospheric Circulation, Daniel R. Palamara
Solar Activity And Recent Climate Change: Evaluating The Impact Of Geomagnetic Activity On Atmospheric Circulation, Daniel R. Palamara
University of Wollongong Thesis Collection 1954-2016
Solar-climate studies have a long and controversial history and the relevance of solar activity to recent climate change remains unclear. Despite prevalent scepticism and uncertainty, recent developments in both solar and atmospheric sciences warrant the reinvestigation of possible solar-climate relationships. The advent of public access to enormous databases of solar and atmospheric variables encourages the reinvestigation of possible solar-climate relationships, particularly those involving solar-modulated geomagnetic activity variations. If further studies demonstrate that climate change has been influenced by geomagnetic activity then research can progress to predicting, modelling, and quantifying the effect. Conversely, if a geomagnetic-activity influence on climate change can …
Australian Press Coverage Of The Armenian Genocide 1915-1923, Vahe Georges Kateb
Australian Press Coverage Of The Armenian Genocide 1915-1923, Vahe Georges Kateb
University of Wollongong Thesis Collection 1954-2016
Under the cover of WWI, the Young Turk government of the Ottoman Empire deported and exterminated the Armenian population from historical Armenia (Eastern provinces of modern day Turkey) and surrounding regions. However, since then, successive Turkish governments have denied any wrongdoing and blamed Armenians for their fate. The Australian press, as the only mass medium of the period, covered extensively the extermination of the Armenians. However todays press often refers to the same events ambiguously, using the word alleged and giving equal coverage to the Turkish denial of the events. In addition, young turk has become a complimentary phrase. This …
Improving The Modelling Of The Distributional Properties Of Financial Time Series - An Application Of Dynamic Models Within The Context Of Conditional Variance Of Basis Risk, Riccardo Biondini
University of Wollongong Thesis Collection 1954-2016
The thesis investigates the problems involved in effectively modelling the (time-varying basis risk (the risk of large movements in the relationship between the spot price and the derivatives price) and the subsequent calculation of effective hedge ratios. The specific purpose of this research involves the identification of conditional variance models that accommodate the time series properties commonly encountered in many spot and futures return series, by targeting changes in basis volatility over time. The research analyses the problem of incorporating conditional basis variance into the time series model by extending popular specifications to include long-run (cointegration) information. The analysis investigates …
Intelligent Knowledge Acquisition Using Case-Based Reasoning: Knowledge Sharing And Reuse, Seung Hwan Kang
Intelligent Knowledge Acquisition Using Case-Based Reasoning: Knowledge Sharing And Reuse, Seung Hwan Kang
University of Wollongong Thesis Collection 1954-2016
This research aims to investigate the feasibility of using techniques in case-based reasoning for the knowledge acquisition phase in the development of knowledge management systems to allow knowledge sharing and reuse. Case-based reasoning is one area of artificial intelligence that allows us to deal with situation that are similar to the current ones and use them to solve new problems. The application of case-based reasoning techniques allows the knowledge management systems to acquire new knowledge by adopting the knowledge gained in new cases and reusing the old ones in the case repository. This way, it allows old knowledge to be …
A Comparison Of Binaural Ultrasonic Sensing Systems, Benjamin D. Stanley
A Comparison Of Binaural Ultrasonic Sensing Systems, Benjamin D. Stanley
University of Wollongong Thesis Collection 1954-2016
Autonomous robotic systems have been under development for a number of years. This development is being driven partly by the need to explore the processes and logic that humans use in accomplishing repetitive tasks and partly by the need to provide probes and vehicles in environments that present threats to humans. It is this need to send robots into harsh environments which has provided the impetus for this thesis to explore the use of binaural ultrasonic sensors for robotic agents thereby enabling them to take the place of living agents. In all, five sensor systems were built and investigated. Two …
Characteristics Of A Supportive Context For Distributed Learning: A Case Study Of The Implementation Of A New Degree, Geraldine E. Lefoe
Characteristics Of A Supportive Context For Distributed Learning: A Case Study Of The Implementation Of A New Degree, Geraldine E. Lefoe
University of Wollongong Thesis Collection 1954-2016
In 2000, the University of Wollongong opened a new campus and two education access centres on the South Coast of New South Wales, Australia. The Faculty of Arts implemented a new degree, the Bachelor of Arts (Community and Environment), as part of this initiative and the first year of implementation of this new degree is the focus of the study. The purpose of the study was to inform policy and practice at the University of Wollongong and to contribute to the small body of research in the area. A qualitative case study approach was used to investigate the experience of …
New Theoretical Frameworks Of Learning Activities, Learning Technologies And A New Method Of Technology Selection, Richard Caladine
New Theoretical Frameworks Of Learning Activities, Learning Technologies And A New Method Of Technology Selection, Richard Caladine
University of Wollongong Thesis Collection 1954-2016
Traditionally, the design of learning events was part of the role of teachers and trainers and in the past when learning technologies were part of teaching and learning events, for example in Distance Education or Open Learning, specialist Instructional Designers typically undertook the design. Information and Communication Technologies (ICTs) are now central to learning in many contexts and no longer can specialist designers meet the high demand to design the vast number of technology-centred learning events in Higher Education and Human Resource Development. Most teachers and trainers are not equipped to undertake the selection of learning technologies but there is …
Assessing The Effectiveness Of Corporate Web Sites: An Experimental Study Of The Web Acceptance Model, Koo-Won Suh
Assessing The Effectiveness Of Corporate Web Sites: An Experimental Study Of The Web Acceptance Model, Koo-Won Suh
University of Wollongong Thesis Collection 1954-2016
There has been an ongoing need for designing and assessing corporate Web sites as important marketing communication tools. Typically, most research on Web site effectiveness has adopted traditional advertising evaluation models. A fundamental shortcoming of this approach is that it does not provide much information about user interaction. As corporate Web sites are new interactive media and Web user characteristics are far different from those of traditional communication media, new approaches should be developed. To overcome the inherent shortcomings of previous research, this study has developed a new theoretical framework, the Web Acceptance Model (WAM), which explores customer acceptance and …
Optimization Of Metal Transfer And Fusion Using Current Control In Dip Transfer Gmaw, Gary Dean
Optimization Of Metal Transfer And Fusion Using Current Control In Dip Transfer Gmaw, Gary Dean
University of Wollongong Thesis Collection 1954-2016
This research sets out to explore the mass and thermal transfer mechanisms involved in gas metal arc welding. This analysis was undertaken to enable improved process control strategies to be developed and evaluated. As a result of the investigations a new current control approach is proposed for dip transfer GMAW for use with conventional primary inverter power sources. This new control approach offers improved spatter reduction and fusion control compared to conventional constant voltage control systems. The control approach is based on the premise that if optimum droplet transfer conditions exist, then the short circuit current can be minimized through …
Development Of A New Silicon Based Detector Module For Pet, Peter R. Hooper
Development Of A New Silicon Based Detector Module For Pet, Peter R. Hooper
University of Wollongong Thesis Collection 1954-2016
In the quest to develop high spatial resolution Positron Emission Tomography (PET), the goal of this work is to characterise the innovative silicon detector array that forms the foundation of a new PET detector module design. The new detector module circumvents the current requirement for photomultiplier tubes by the implementation of its solidstate detector analogues. The detector module is based upon pixelated scintillation crystals optically coupled to custom designed silicon 8x8 photodiode arrays and read out by a 128 channel low noise charge sensitive preamp. Each element pad of the array has an active area of 3x3 mm2 and, for …
Hidden In The Sands Of Time: Geoarchaeology Of Sandstone Landscapes In The Keep River Region, Northern Territory, Australia, Ingrid A. Ward
Hidden In The Sands Of Time: Geoarchaeology Of Sandstone Landscapes In The Keep River Region, Northern Territory, Australia, Ingrid A. Ward
University of Wollongong Thesis Collection 1954-2016
This geoarchaeological study aims to establish the geomorphic context of Aboriginal cultural landscapes and archaeological sites in the Keep River region, Northern Territory, over the Late Quaternary. The geomorphic focus of the thesis is concentrated on the sand sheets, which occur at the base of the sandstone escarpments. Sample locations include the occupation (rockshelter and sand sheet) sites of Goorurarmum, Jinmium and Karlinga, and non-occupation(creek) sites at Karlinga and Sandy Creek Gorge. The thesis presents five interrelated studies, including (i) an assessment of the theoretical relevance of geoarchaeology in northern Australia; and three studies at different timescales, evaluating (ii) long-term …
Maintaining Quality Services In Thai Accredited Hospitals In A Climate Of Economic Uncertainty, Panee Sitakalin
Maintaining Quality Services In Thai Accredited Hospitals In A Climate Of Economic Uncertainty, Panee Sitakalin
University of Wollongong Thesis Collection 1954-2016
In 1997, Thailand suffered a severe economic downturn. The government was obliged to control health spending whilst also attempting to maintain the quality of hospital services. In the same year, the Thailand Hospital Accreditation Program (HA-Thai) was established. This built on earlier accreditation schemes, and an initial group of thirty-five public and private hospitals joined the program. This study explores the strategies the managers of these 35 hospitals used to maintain the quality of their services since the economic downturn. It also investigated the managers’ perception and understanding of the Hospital Accreditation Program. Little is currently known about the use …
Facilitating Learning: Mine, Yours And Others' :Gaining Insight Into The Facilitation Of Corporate Experiential Learning Programs Through The Lenses Of Personal Experience And The Learning Styles Analysis, Tracey Dickson
University of Wollongong Thesis Collection 1954-2016
Writing and research on facilitation of experiential learning, including corporate programs, predominantly focuses upon what the facilitator is to do, with little or no consideration for where the facilitation occurs. Using a heuristic research process that involves an immersion in the dominant literature on experiential learning (with an emphasis upon North American literature), and through the use of the 'lenses' of personal experience and the use of the Teaming Styles Analysis, this thesis follows a journey of exploration into the world of experiential learning. The journey includes forays into deconstruction of a popular article on facilitation as well as exploring …
Characterisation Of The Structure And Properties Of Arc Welded Zinc Alloy Coated Sheet Steels, Yan Wang Chen
Characterisation Of The Structure And Properties Of Arc Welded Zinc Alloy Coated Sheet Steels, Yan Wang Chen
University of Wollongong Thesis Collection 1954-2016
High strength, cold rolled, corrosion resistant ZINCALUME™ (ZA) and ZINC-HIT EN™ (ZHT) G550 sheet steels are widely used in the construction and automotive industries. The sheet steel is commonly joined by gas metal arc welding (GMAW) because of its low cost and high productivity. However, two significant problems can occur: porosity in the weld bead and loss of strength in the heat affected zone (HAZ). As a result of the strength loss, the design strength is currently down-graded to the fully annealed yield strength (250 or 300 MPa). The full strength potential of the steels cannot be utilised unless the …
Investigation On Cathode Materials For Lithium-Ion Batteries, Z. P. Guo
Investigation On Cathode Materials For Lithium-Ion Batteries, Z. P. Guo
University of Wollongong Thesis Collection 1954-2016
This Ph.D project was motivated by a desire to prepare and study advanced cathode materials with high capacity and long cycle life for rechargeable lithium ion batteries. The structural, physical and electrochemical properties of the cathode materials determine the performance of cathodes and thereby affect the whole performance of lithium ion batteries. In this study, several methods have been used to improve the performance of electrodes, including doping, synthesis methods, etc.
A starting point for the study was a survey of the literature pertaining to the cathode materials for lithium ion batteries. Many different cathode materials are described. It provides …
The Fundamental Mechanisms Involved In The Production Of Thin Films Pulsed Laser, Jeffery Ronald Mckinnon
The Fundamental Mechanisms Involved In The Production Of Thin Films Pulsed Laser, Jeffery Ronald Mckinnon
University of Wollongong Thesis Collection 1954-2016
The discovery of high-temperature superconductors, coincident with the development short wavelength excimer lasers, made the use of the lasers to produce the thin films the pulsed laser deposition process (PLD) a logical step.
The major thrust of research into high-temperature superconducting thin films has been increase the effective thickness of the film, the area of the film or to produce long of film on a metallic substrate known as coated conductors. With this in mind we set to establish a starting point from which we could address one of these areas.
When we looked at the literature we found that …
Common Law Recognition Of Opportunity Costs: The Classification Dilemma And The Religious Legacy, Scott Elbert Dobbs
Common Law Recognition Of Opportunity Costs: The Classification Dilemma And The Religious Legacy, Scott Elbert Dobbs
University of Wollongong Thesis Collection 1954-2016
This thesis examines the history and contemporaneous common law position on the recovery of opportunity costs associated with money sums which are paid late or otherwise withheld from proper payment by defendants. Economics and finance define opportunity cost as 'the next most profitable employment of an asset', but this definition has only recently been recognised in Australian courts. Since the formation of the common law in the post-Conquest era, opportunity costs have not been recognised in litigation as recoverable losses. In contrast, opportunity costs have been recognised by courts when associated with tangible assets such as land or goods through …
Decomposition And Interpolation Techniques For Very Low Bit Rate Wideband Speech Coding, Christian Ritz
Decomposition And Interpolation Techniques For Very Low Bit Rate Wideband Speech Coding, Christian Ritz
University of Wollongong Thesis Collection 1954-2016
Applications that require the transmission or storage of speech, such as mobile telephony, operate in limited bandwidth environments. Such applications rely on efficient speech coding algorithms to best utilise the available bandwidth. Most existing research has focused on coding of narrowband speech signals, which are typically sampled at 8 kHz. Such research has led to many low bit rate solutions. Recent and emerging applications including video telephony and Internet telephony desire speech signals that have a much higher quality than narrowband speech signals. Such quality can be obtained using wideband speech, which is sampled at twice the rate (16 kHz) …
Scalable And Perceptual Audio Compression, Mohammed Raad
Scalable And Perceptual Audio Compression, Mohammed Raad
University of Wollongong Thesis Collection 1954-2016
This thesis deals with scalable perceptual audio compression. Two scalable perceptual solutions as well as a scalable to lossless solution are proposed and investigated. One of the scalable perceptual solutions is built around sinusoidal modelling of the audio signal whilst the other is built on a transform coding paradigm. The scalable coders are shown to scale both in a waveform matching manner as well as a psychoacoustic manner. In order to measure the psychoacoustic scalability of the systems investigated in this thesis, the similarity between the original signal's psychoacoustic parameters and that of the synthesized signal are compared. The psychoacoustic …
Place-Making In The East Kimberley: A Study Of Land Interests And Symbolic Capital In North West Australia, Ruth Lane
University of Wollongong Thesis Collection 1954-2016
This thesis addresses the relationship between representations of place and embodied activity and experience. To translate this question into the context of the East Kimberley in the late 1990s, I focus on the manner in which planning processes since the 1960s have represented the East Kimberley as a place and ascribed value to land. Employing the concept of 'land interests', I describe in detail changing relationships to land for Aboriginal people, farmers and tourists since the 1960s. I focus on mobility, as an indicator of their embodied experience, and tease out aspects of the social identities of these groups that …
Modelling Stored Grain Microclimates With Dual-Region Heat Transfer Models, Alexsandar Antic
Modelling Stored Grain Microclimates With Dual-Region Heat Transfer Models, Alexsandar Antic
University of Wollongong Thesis Collection 1954-2016
Australia's reputation is well established in the international marketplace as a producer of high-quality grain. We remain competitive by exporting grain in accor dance with a 'nil tolerance' for live insects. Protecting the grain while in storage means maintaining such a reputation is difficult and costly as one must deal with such factors as varying climatic conditions, particularly temperature, which can have an adverse affect on grain quality and insect infestation. An understanding of the flow of heat in grain store structures is very important from many industrial perspec tives, and the heat transfer within the peripheral layer is of …
The Intensification Of Labour Market Polarisation In Metals Manufacturing In Australia In The 1990s, Terri Mylett
The Intensification Of Labour Market Polarisation In Metals Manufacturing In Australia In The 1990s, Terri Mylett
University of Wollongong Thesis Collection 1954-2016
In Australia during the 1990s, jobs offered by employers had increasingly differentiated standards of wages, conditions and security. For some workers, this has meant experiencing wages and working conditions that challenge the Australian tradition that employment will be sufficient for avoiding poverty and securing the reproduction of labour. The trend of polarisation nationally was also evident in the Metals Manufacturing industry and in the lllawarra region. The two most significant developments in Metals Manufacturing in the 1990s were (i) the rise in casual employment (including labour hire); and (ii) the masculinisation of employment in the industry, including non-standard employment. These …