UC Research Repository
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The UC Research Repository collects, stores and makes available original research from postgraduate students, researchers and academics based at the University of Canterbury.

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- Items from Journals and Conferences hosted by the University of Canterbury
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Recent Submissions
The Australian and New Zealand Virtual Worlds Working Group: A Collaborative Community of Practice
(2013) Farley, Helen; Gregory, Sue; Grant, Scott; Butler, Des; Jacka, Lisa; Orwin , Lindy; Jones, Janice K.
The Australian and New Zealand Virtual Worlds Working Group has an
informal membership of nearly 200 members with an interest in
education and virtual worlds within the Australian and New Zealand
context. Members come from a variety of academic disciplines and may
be teaching or research academics, Research Higher Degree
candidates, project managers, virtual world builders and developers.
The group acts as an informal Community of Practice, facilitating
learning and the transfer of skills through social contact, opportunities
to collaborate on projects and publications, and through the sharing of
knowledge and experience. This poster provides a snapshot of the
activity of this highly active group.
Challenges in deploying educational technologies for tertiary education in the carceral setting: Reconnecting or connecting?
(ASCILITE, 2022) Farley, Helen; Wilson S; Arthars N; Wardak D; Yeoman P; Kalman E; Liu D
With the COVID-19 pandemic, educators across the globe pivoted to using educational technologies such as lecture capture, video conferencing and discussion boards to reconnect with learners. For incarcerated learners, this was not an option due to the dearth of technologies and internet access in most correctional jurisdictions. As many tertiary education institutions leverage the affordances of digital technologies to increase access to learning and reconnect with learners, they are inadvertently excluding a large cohort, incarcerated learners. Prisons are typically technology poor and prohibit access, at least to some degree, to the internet. This paper examines some of the common challenges to the deployment of educational technology in prisons to reconnect with incarcerated learners. They are classified as physical challenges, operational challenges, attitudinal challenges, and human challenges.
Uncertainty estimation of connected vehicle penetration rate
(Institute for Operations Research and the Management Sciences (INFORMS), 2022) Jia , Shaocheng; Wong , S. C.; Wong , Wai
Knowledge of the connected vehicle (CV) penetration rate is crucial for realizing numerous beneficial applications during the prolonged transition period to full CV deployment. A recent study described a novel single-source data penetration rate estimator (SSDPRE) for estimating the CV penetration rate solely from CV data. However, despite the unbiasedness of the SSDPRE, it is only a point estimator. Consequently, given the typically nonlinear nature of transportation systems, model estimations or system optimizations conducted with the SSDPRE without considering its variability can generate biased models or suboptimal solutions. Thus, this study proposes a probabilistic penetration rate model for estimating the variability of the results generated by the SSDPRE. An essential input for this model is the constrained queue length distribution, which is the distribution of the number of stopping vehicles in a signal cycle. An exact probabilistic dissipation time model and a simplified constant dissipation time model are developed for estimating this distribution. In addition, to improve the estimation accuracy in real-world situations, the braking and start-up motions of vehicles are considered by constructing a constant time loss model for use in calibrating the dissipation time models. VISSIM simulation demonstrates that the calibrated models accurately describe constrained queue length distributions and estimate the variability of the results generated by the SSDPRE. Furthermore, applications of the calibrated models to the next-generation simulation data set and a simple CV-based adaptive signal control scheme demonstrate the readiness of the models for use in real-world situations and the potential of the models to improve system optimizations. Funding: This work was supported by The University of Hong Kong [Francis S Y Bong Professorship in Engineering and Postgraduate Scholarship] and by the Council of the Hong Kong Special Administrative Region, China [Grants 17204919 and 17205822]. Supplemental Material: The online appendices are available at https://doi.org/10.1287/trsc.2023.1209 .
The Christchurch community at war, 1914-1918 : society, discourse and power
(2003) Parsons, Gwen Alicia
The Christchurch community was divided in its response to the First World War. Supporters and opponents of the war promoted rival discourses in an attempt to dictate the parameters and premises of debate. On the one hand, pro-war discourse, which was promulgated almost exclusively by members of the Christchurch elite, was designed to exclude opposition to the war. It identified support for the conflict with New Zealand patriotism and imperial loyalty; it assumed that citizens had a duty to defend the state; it contrasted German barbarism with British traditions of liberty, underpinning claims that the war was just and fought in defence of Christian civilisation; it ennobled individual participation in the war effort by promoting a discourse of sacrifice with roots in Christian doctrine; and it presented conscription as an egalitarian doctrine based on fairness and equality of sacrifice. Pro-war discourse pervaded the public space, it set the parameters for most public comment on the war, it was supported by censorship, and it was encoded in legislation suppressing dissent. Dissenting discourse, on the other hand, was promulgated almost exclusively by the leaders of organised labour. It drew on socialist discourse, presenting the war as a device through which members of the capitalist class furthered their own interests; it co-opted the discourse of British liberty to protest against conscription; it manipulated the discourse of equality of sacrifice to argue that conscription of wealth should accompany the conscription of working class men; and it used the same discourse to protest against the exploitation of working class families by war profiteers.
Dissenting discourse was far less pervasive than pro-war discourse; it was confined to a group that claimed to represent a single class, rather than the whole community; attempts to propagate it were often ignored by the mainstream media; and it did not affect the official response to the war. However, it did have some influence in working class communities, and anti-war candidates continued to poll well in working class electorates during and after the war.
Use of Science-Based Prediction to Characterize Reservoir Behavior as a Function of Injection Characteristics, Geological Variables, and Time
(2014) Bromhal, Grant; Arcentales Bastidas , Danilo; Birkholzer , Jens; Cihan , Abdullah; Dempsey, David; Fathi , Ebrahim; King , Seth; Pawar , Rajesh; Richard , Tom; Wainwright , Haruko; Zhang , Yingqi; Guthrie , George
This report summarizes a detailed study designed to generate a baseline understanding of how
pressure plumes and carbon dioxide (CO2) plumes behave in CO2 storage reservoirs as a function
of storage-site properties, injection conditions, and time. The goal of the study was to provide
quantitative insight into how operational and geologic factors can impact risk at storage sites
both during injection and post injection.