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Articles 1 - 25 of 25
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Effects Of Long-Distance Walking On Socket-Limb Interface Pressure, Tactile Sensitivity And Subjective Perceptions Of Trans-Tibial Amputees, L F. Yeung, Aaron Leung, Ming Zhang, Winson Lee
Effects Of Long-Distance Walking On Socket-Limb Interface Pressure, Tactile Sensitivity And Subjective Perceptions Of Trans-Tibial Amputees, L F. Yeung, Aaron Leung, Ming Zhang, Winson Lee
Faculty of Engineering and Information Sciences - Papers: Part A
PURPOSE: Many trans-tibial amputees could not tolerate long-distance walking. Lack of walking could explain for the increased cardiovascular diseases mortality rate. This study investigated the effects of long-distance walking (LDW) on socket-limb interface pressure, tactile sensitivity of the residual limb, and subjective feedbacks, which potentially identified the difficulties in LDW. METHOD: Five male unilateral trans-tibial amputees walked on a level treadmill for a total of one hour at comfortable speed. Tactile sensitivity of the residual limb and socket-limb interface pressure during over-ground walking were measured before and after the treadmill walking. Modified Prosthesis Evaluation Questionnaires were also administered. RESULTS: After …
Agency In Transport Service: Implications Of Traveller Mode Choice Objective And Latent Attributes Using Random Parameter Logit Model, Ahm Mehbub Anwar, A Kiet Tieu, Peter Gibson, Khin Than Win, Matthew J. Berryman
Agency In Transport Service: Implications Of Traveller Mode Choice Objective And Latent Attributes Using Random Parameter Logit Model, Ahm Mehbub Anwar, A Kiet Tieu, Peter Gibson, Khin Than Win, Matthew J. Berryman
Faculty of Engineering and Information Sciences - Papers: Part A
This paper explains how principal-agent theory (PAT) can be used as an analytical tool to understand the traveller-Transport for NSW relationship and minimise the agency uncertainty in the relationship by examining traveller preferences for mode choices. The paper emphasises latent variables and objective attributes together during the choice process within the agency relationship, as a method by which the utility of the principal (traveller) can be maximised and evaluated using a discrete choice experiment, i.e. random parameter logit (RPL) model. The probability of car useis significantly higher than public transport, which indicates that an agency uncertainty exists in the relationship …
Noise Robust Keyword Spotting For User Generated Video Blogs, M S. Barakat, C H. Ritz, D A. Stirling
Noise Robust Keyword Spotting For User Generated Video Blogs, M S. Barakat, C H. Ritz, D A. Stirling
Faculty of Engineering and Information Sciences - Papers: Part A
This paper presents a template-based system for speaker independent key word spotting (KWS) in continuous speech that can help in automatic analysis, indexing, search and retrieval of user generated videos by content. Extensive experiments on clean speech confirm that the proposed approach is superior to a HMM approach when applied to noisy speech with different signal-to-noise ratio (SNR) levels. Experiments conducted to detect swear words, personal names and product names within a set of online user generated video blogs shows significantly better recall and precision results compared to a traditional ASR-based approach.
Generating A Synthetic Population In Support Of Agent-Based Modeling Of Transportation In Sydney, N Huynh, Mohammad-Reza Namazi-Rad, P Perez, M J. Berryman, Q Chen, J Barthelemy
Generating A Synthetic Population In Support Of Agent-Based Modeling Of Transportation In Sydney, N Huynh, Mohammad-Reza Namazi-Rad, P Perez, M J. Berryman, Q Chen, J Barthelemy
Faculty of Engineering and Information Sciences - Papers: Part A
The complexity of large cities such as Sydney makes planning challenging. There is a growing need for new and evolving tools to assist research and decision-making. Increasingly, planners require sophisticated insights on social behaviour and the interdependencies characterising urban systems. Agent-based modelling as a large and wide-spread scientific modelling technique (that focuses on computer modelling of individuals and their interactions) has recently emerged as a promising tool in this regard with applications to real-world problems in infrastructure, particularly transport planning, of urban areas. An essential element of such an agent based model is a realistic synthetic population that matches the …
Is 'Community' Important For Community Information Systems?, Alison E. Freeman, Peter Hyland, Mark Freeman, Karlheinz Kautz
Is 'Community' Important For Community Information Systems?, Alison E. Freeman, Peter Hyland, Mark Freeman, Karlheinz Kautz
Faculty of Engineering and Information Sciences - Papers: Part A
Community information systems have the power to transform communities. However, without fully understanding the pre-requisite factors affecting community information system viability, and the complex relationships between these factors, communities struggle to manage such projects in a way that leads to viable systems that deliver real benefits. This paper develops and presents a Model of Community Information System Viability Pre-requisite Factors, based on both existing literature and the study of three community information system projects. This Model represents the generic factors that inform viability (i.e. leadership, active membership, funding, awareness, and system design and functionality), and also considers the impact of …
How On Earth? Cartography And Curatorial Practice In The Archipelago, Etienne Turpin, Anna-Sophie Springer
How On Earth? Cartography And Curatorial Practice In The Archipelago, Etienne Turpin, Anna-Sophie Springer
Faculty of Engineering and Information Sciences - Papers: Part A
While geologists and stratigraphers debate the scientific merits of the Anthropocene thesis, culture workers remain precariously exposed to experiences of the planetary upheavals characteristic of our all-too-human epoch. If, as Peter Sloterdijk has suggested, our planet of terrestrial globalization has become a world interior of capital, what are the cartographic and curatorial practices that might respond to the ecologies of excess in this world interior?
Developing The Design Of A Continuous National Health Survey For New Zealand, Robert Graham Clark, Robert Templeton, Anne Mcnicholas
Developing The Design Of A Continuous National Health Survey For New Zealand, Robert Graham Clark, Robert Templeton, Anne Mcnicholas
Faculty of Engineering and Information Sciences - Papers: Part A
Background A continuously operating survey can yield advantages in survey management, field operations, and the provision of timely information for policymakers and researchers. We describe the key features of the sample design of the New Zealand (NZ) Health Survey, which has been conducted on a continuous basis since mid-2011, and compare to a number of other national population health surveys. Methods A number of strategies to improve the NZ Health Survey are described: implementation of a targeted dual-frame sample design for better Maori, Pacific, and Asian statistics; movement from periodic to continuous operation; use of core questions with rotating topic …
Enabling And Encouraging Greater Diversity In Ict, Madeleine R H Roberts, Tanya Mcgrill
Enabling And Encouraging Greater Diversity In Ict, Madeleine R H Roberts, Tanya Mcgrill
Faculty of Engineering and Information Sciences - Papers: Part A
There is now a far greater level of heterogeneity in the university cohort in age, experience and cultural and socio-economic backgrounds than in the past. This means that assumptions about the equality of student knowledge and ability that may still exist could be causing difficulties for female and male students who are not school leavers or native English speakers. The issues faced by mature-age, international, and low socio-economic background female and male students are diverse and the potential strategies to assist in retaining current students and attracting future students are varied. Therefore, the strategies employed must address as many of …
Temporal Sentiment Detection For User Generated Video Product Reviews, M S. Barakat, C H. Ritz, D A. Stirling
Temporal Sentiment Detection For User Generated Video Product Reviews, M S. Barakat, C H. Ritz, D A. Stirling
Faculty of Engineering and Information Sciences - Papers: Part A
User generated video product reviews in social media is gaining popularity every day due to its creditability and the broad evaluation context provided by it. Extracting sentiment automatically from such videos will help the consumers making decisions and producers improving their products. This paper investigates the feasibility of sentiment detection temporally from those videos by analyzing the transcription generated by a speech recognition system which was not investigated before. Another two main contribution for this paper is introducing a solution to the problem of fixed threshold estimation for the Naive Bayesian classifier output probabilities and irrelative text filtering for improving …
99mtc-Dtpa Volume Of Distribution, Half-Life And Glomerular Filtration Rate In Normal Adults, Jennifer L. Holness, John S. Fleming, Alessandra Malaroda, James M. Warwick
99mtc-Dtpa Volume Of Distribution, Half-Life And Glomerular Filtration Rate In Normal Adults, Jennifer L. Holness, John S. Fleming, Alessandra Malaroda, James M. Warwick
Faculty of Engineering and Information Sciences - Papers: Part A
Assessment of volume of distribution (VD) and half-life (T1/2) values during glomerular filtration rate (GFR) investigations is a useful quality control check. The aim of this study was to derive reference data for VD and T1/2 and also to provide reference data for GFR fro studies performed using 99mTc-diethylenetriaminepentaacetic acid.
A Model Of The Effects Of Authority On Consensus Formation In Adaptive Networks: Impact On Network Topology And Robustness, Brenton J. Prettejohn, Matthew J. Berryman, Mark D. Mcdonnell
A Model Of The Effects Of Authority On Consensus Formation In Adaptive Networks: Impact On Network Topology And Robustness, Brenton J. Prettejohn, Matthew J. Berryman, Mark D. Mcdonnell
Faculty of Engineering and Information Sciences - Papers: Part A
Opinions of individuals in real social networks are arguably strongly influenced by external determinants, such as the opinions of those perceived to have the highest levels of authority. In order to model this, we have extended an existing model of consensus formation in an adaptive network by the introduction of a parameter representing each agent's level of 'authority' based on their opinion relative to the overall opinion distribution. We found that introducing this model, along with a randomly varying opinion convergence factor, significantly impacts the final state of converged opinions and the number of interactions required to reach that state. …
Travel Distance Judgment: An Environmental Distance Information Cognitive Processing Perspective, Mengxiang Li, Chuan-Hoo Tan, Kwok-Kee Wei
Travel Distance Judgment: An Environmental Distance Information Cognitive Processing Perspective, Mengxiang Li, Chuan-Hoo Tan, Kwok-Kee Wei
Faculty of Engineering and Information Sciences - Papers: Part A
A consumer makes travel distance judgment to determine the place to visit. Stores that gain favorable travel distance judgment could gain access to a large volume of customer base. Travel distance judgment is often made with the aid of technologies, such as the mobile location-based service (LBS). In the present research-in-progress, we build on the human's environmental distance information cognitive processing model to propose how the travel distance information and visual geospatial information jointly influence a consumer's travel distance judgment. We posit that the combination of direct-distance travel information and destination visual reachable geospatial information (2D-map) could result in favorable …
Helpfulness Of Online Product Reviews As Seen By Consumers: Source And Content Features, Mengxiang Li, Liqiang Huang, Chuan-Hoo Tan, Kwok-Kee Wei
Helpfulness Of Online Product Reviews As Seen By Consumers: Source And Content Features, Mengxiang Li, Liqiang Huang, Chuan-Hoo Tan, Kwok-Kee Wei
Faculty of Engineering and Information Sciences - Papers: Part A
Online product reviews are important determinants of consumers' purchase decision. Although prior research has articulated various benefits of online product reviews, there are few investigations into whether or not they are perceived as helpful by consumers. Product review helpfulness is conceptualized as a second-order formative construct, which is manifested by perceived source credibility, perceived content diagnosticity, and perceived vicarious expression of the product review. In this study, we conduct a laboratory experiment to investigate product review helpfulness as well as its corresponding antecedents from the product review feature perspective (i.e., source- and content-based review features). Findings from the study are …
Service Quality, Citizen Satisfaction, And Loyalty With Self-Service Delivery Options To Transforming E-Government Services, Akemi Chatfield, Jazem Alanazi
Service Quality, Citizen Satisfaction, And Loyalty With Self-Service Delivery Options To Transforming E-Government Services, Akemi Chatfield, Jazem Alanazi
Faculty of Engineering and Information Sciences - Papers: Part A
With the growing recognition of the citizen's role in service demand and self-service delivery, there is an increased impetus on building citizen satisfaction and loyalty with government's e-services. With the global trend in transforming government services through e-government, research on citizen interactions with web-based selfservice delivery options has been recently emerging in IS and e-government literatures. This study aims to contribute to post-adoption research by developing a model of citizen loyalty with government online self-service delivery options. We empirically test the proposed model through an analysis of 402 survey data collected from Saudi citizens/users of e-government transactional services. Multiple regression …
Are You Smart Enough For Your Smart Phone? A Cognitive Load Comparison, Fayez Alshehri, Mark Freeman, Alison E. Freeman
Are You Smart Enough For Your Smart Phone? A Cognitive Load Comparison, Fayez Alshehri, Mark Freeman, Alison E. Freeman
Faculty of Engineering and Information Sciences - Papers: Part A
The popularity of mobile devices, and particularly smart phones, has been driven by rapid developments in their power, capabilities and features. However, these developments create new and additional demands on users. Increased attention and more complex thought patterns are required to interact with such technology. Testing three popular smart phones, this research applies the principles of Cognitive Load Theory to evaluate the impact of varied operating systems and interaction modes on users' cognitive load. NASA Task Load Index was used to measure participants' perceptions of the cognitive load imposed by interaction with these mobile devices. While different operating systems were …
Analysing The Merit Of Latent Variables Over Traditional Objective Attributes For Traveller Mode Choice Using Rpl Model, Ahm Mehbub Anwar, A Kiet Tieu, Peter Gibson, Khin Than Win, Matthew Berryman
Analysing The Merit Of Latent Variables Over Traditional Objective Attributes For Traveller Mode Choice Using Rpl Model, Ahm Mehbub Anwar, A Kiet Tieu, Peter Gibson, Khin Than Win, Matthew Berryman
Faculty of Engineering and Information Sciences - Papers: Part A
In real life, the attributes that influence individual choice may be complex. The traditional objective attributes can be incorporated easily into choice models. However, there are also latent preference heterogeneities that are of ten overlooked by the traditional thinkers of transport planners. This paper deals with this issue firstly by testing the adequacy of objective attributes representing latent variables (LVs). It then quantifies the effect of LVs over objective attributes on traveller mode choice using the random parameter logit (RPL) model. Understanding these attributes is essential if transport agencies are to understand traveller behaviour when determining effective transport policies. This …
Unintended Adverse Consequences Of Introducing Electronic Health Records In Residential Aged Care Homes, Ping Yu, Yiting Zhang, Yang Gong, Jianjia Zhang
Unintended Adverse Consequences Of Introducing Electronic Health Records In Residential Aged Care Homes, Ping Yu, Yiting Zhang, Yang Gong, Jianjia Zhang
Faculty of Engineering and Information Sciences - Papers: Part A
The aim of this study was to investigate the unintended adverse consequences ofintroducing electronic health records (EHR) in residential aged care homes (RACHs) and toexamine the causes of these unintended adverse consequences.Method: A qualitative interview study was conducted in nine RACHs belonging to three orga-nisations in the Australian Capital Territory (ACT), New South Wales (NSW) and Queensland,Australia. A longitudinal investigation after the implementation of the aged care EHR sys-tems was conducted at two data points: January 2009 to December 2009 and December 2010to February 2011. Semi-structured interviews were conducted with 110 care staff membersidentified through convenience sampling, representing all levels …
Factors Associated With Differences In Quit Rates Between 'Specialist' And 'Community' Stop-Smoking Practitioners In The English Stop-Smoking Services, Mairtin S. Mcdermott, Emma Beard, Leonie S. Brose, Robert West, Andy Mcewen
Factors Associated With Differences In Quit Rates Between 'Specialist' And 'Community' Stop-Smoking Practitioners In The English Stop-Smoking Services, Mairtin S. Mcdermott, Emma Beard, Leonie S. Brose, Robert West, Andy Mcewen
Faculty of Engineering and Information Sciences - Papers: Part A
Introduction: Behavioral support improves smokers' chances of quitting, but quit rates are typically lower for smokers supported by "community practitioners" for whom smoking cessation is a small part of their job than for those supported by "specialist practitioners" for whom it is the main role. This article examined the factors that might contribute to this. Method: A total of 573 specialist practitioners and 466 community practitioners completed a 42-item online survey that covered demographic and employment information, current practices, levels of training, and 4-week CO-verified quit rates. Responses were compared for community and specialist practitioners. Mediation analysis was undertaken to …
Change In Anxiety Following Successful And Unsuccessful Attempts At Smoking Cessation: Cohort Study, Mairtin S. Mcdermott, Theresa M. Marteau, Gareth J. Hollands, Matthew Hankins, Paul Aveyard
Change In Anxiety Following Successful And Unsuccessful Attempts At Smoking Cessation: Cohort Study, Mairtin S. Mcdermott, Theresa M. Marteau, Gareth J. Hollands, Matthew Hankins, Paul Aveyard
Faculty of Engineering and Information Sciences - Papers: Part A
Background Despite a lack of empirical evidence, many smokers and health professionals believe that tobacco smoking reduces anxiety, which may deter smoking cessation. Aims The study aim was to assess whether successful smoking cessation or relapse to smoking after a quit attempt are associated with changes in anxiety. Method A total of 491 smokers attending National Health Service smoking cessation clinics in England were followed up 6 months after enrolment in a trial of pharmacogenetic tailoring of nicotine replacement therapy (ISRCTN14352545). Results There was a points difference of 11.8 (95% CI 7.7-16.0) in anxiety score 6 months after cessation between …
Embracing Complexity In Engineering Education: A Way Forward For Developing Intercultural Competency, Thomas Goldfinch
Embracing Complexity In Engineering Education: A Way Forward For Developing Intercultural Competency, Thomas Goldfinch
Faculty of Engineering and Information Sciences - Papers: Part A
towards engineering education that prepares graduates to work effectively across foreign cultures and customs1-3. The author argues that while this outward focus is important and necessary, there is also a need to focus on preparing graduates for cultural issues that will arise much closer to home. Identifying, and working with subtle cultural differences that can occur in workplaces, organizations and the community, where the population may initially appear monocultural, presents unique challenges. The way in which one assumes cultural uniformity in a given situation can contribute to the oversimplification of a problem, and subsequently the pursuit of ineffective solutions. In …
Dynamic Fingerprint Based On Human Motion And Posture, Amir Hesami, Fazel Naghdy, David Stirling
Dynamic Fingerprint Based On Human Motion And Posture, Amir Hesami, Fazel Naghdy, David Stirling
Faculty of Engineering and Information Sciences - Papers: Part A
The feasibility of generating a Dynamic FingerPrint (DFP) for an individual is explored. DFP is a unique signature generated based on a combination of body part movements. The body movements are obtained using a sensor suit recording inertial signals that are subsequently modeled on a humanoid frame with 23 degrees of freedom (DOF). Measured signals include position, velocity, acceleration, orientation, angular velocity and angular acceleration. DTW (Dynamic Time Warping) is XVHG WR FODVVLI\ WKH LQGLYLGXDO¶V identity. The approach is described and the characteristics of the algorithms are presented. It is anticipated that these approaches will have applications in surveillance and …
Description And Comparison Of Quality Of Electronic Versus Paper-Based Resident Admission Forms In Australian Aged Care Facilities, Ning Wang, Ping Yu, David Hailey
Description And Comparison Of Quality Of Electronic Versus Paper-Based Resident Admission Forms In Australian Aged Care Facilities, Ning Wang, Ping Yu, David Hailey
Faculty of Engineering and Information Sciences - Papers: Part A
Purpose To describe the paper-based and electronic formats of resident admission forms used in several aged care facilities in Australia and to compare the extent to which resident admission information was documented in paper-based and the electronic health records. Methods Retrospective auditing and comparison of the documentation quality of paper-based and electronic resident admission forms were conducted. A checklist of admission data was qualitatively derived from different formats of the admission forms collected. Three measures were used to assess the quality of documentation of the admission forms, including completeness rate, comprehensiveness rate and frequency of documented data element. The associations …
Encoding Navigable Speech Sources: A Psychoacoustic-Based Analysis-By-Synthesis Approach, Xiguang Zheng, Christian Ritz, Jiangtao Xi
Encoding Navigable Speech Sources: A Psychoacoustic-Based Analysis-By-Synthesis Approach, Xiguang Zheng, Christian Ritz, Jiangtao Xi
Faculty of Engineering and Information Sciences - Papers: Part A
This paper presents a psychoacoustic-based analysis-by-synthesis approach for compressing navigable speech sources. The approach targets multi-party teleconferencing applications, where selective reproduction of individual speech sources is desired. Based on exploiting sparsity of speech in the perceptual time-frequency domain, multiple speech signals are encoded into one mono mixture signal, which can be further compressed using a standard speech codec. Using side information indicating the active speech source for each time frequency instant enables flexible decoding and reproduction. Objective results highlight the importance of considering perception when exploiting the sparse nature of speech in the time-frequency domain. Results show that this sparsity, …
Organ Point Dose Measurements In Clinical Multi Slice Computed Tomography (Msct) Examinations With The Moskin™ Radiation Dosimeter, C P. L Lian, A Young, D Cutajar, N Freeman, Anatoly B. Rosenfeld
Organ Point Dose Measurements In Clinical Multi Slice Computed Tomography (Msct) Examinations With The Moskin™ Radiation Dosimeter, C P. L Lian, A Young, D Cutajar, N Freeman, Anatoly B. Rosenfeld
Faculty of Engineering and Information Sciences - Papers: Part A
This study reports on the application of the MOSkin™ dosimeter in MSCT imaging for the real-time measurement of absorbed organ point doses in a tissue-equivalent female anthropomorphic phantom. MOSkin™ dosimeters were placed within the phantom to measure absorbed point organ doses for 2 commonly applied clinical scan protocols, namely the renal calculus scan and the pulmonary embolus scan. Measured organ doses in the imaged field of view were found to be in the dose range 4.7-9.5 mGy and 16.2-27.4 mGy for the renal calculus scan and pulmonary scan protocols respectively. For the derivation of effective dose, using the more recent …
Measuring The Performance Of Electronic Health Records: A Case Study In Residential Aged Care In Australia, Ping Yu, Siyu Qian, Hui Yu, Jianbo Lei
Measuring The Performance Of Electronic Health Records: A Case Study In Residential Aged Care In Australia, Ping Yu, Siyu Qian, Hui Yu, Jianbo Lei
Faculty of Engineering and Information Sciences - Papers: Part A
Measuring the performance of electronic health records (EHR) is an important, yet un-resolved challenge. Various measurements have addressed different aspects of EHR success, yet a holistic, comprehensive measurement tool needs to be developed to capture the potential EHR success variables completely. A self-administered questionnaire survey instrument was developed based on the theoretical framework of the DeLone and McLean Information Systems Success Model. It measures nigh variables of EHR success: system quality, information quality, service quality, training, self efficacy, intention to use, use, user satisfaction and net benefits. The instrument was used to measure the performance of aged care EHR systems …