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2009

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Knowledge Management In An Organisational Climate Of Uncertainty And Change: A Longitudinal Case Study Of An Australian University, Denise Gengatharen, Craig Standing, Shirlee-Ann Knight Jan 2009

Knowledge Management In An Organisational Climate Of Uncertainty And Change: A Longitudinal Case Study Of An Australian University, Denise Gengatharen, Craig Standing, Shirlee-Ann Knight

Research outputs pre 2011

Universities are in the knowledge business and are expected to be at the forefront of knowledge management (KM). However, KM in a university is complex given the diversity of stakeholder groups. This is exacerbated in the Australian context by the changing climate of rationalisation, corporatisation and marketisation universities faced in the past decade. This paper investigates KM strategies in an Australian university to uncover barriers to knowledge-sharing among academics. Although the organisational infrastructure supports KM, many academics have not actively embraced it. One reason is that they struggle with KM for operational excellence in the increasing administrative aspects of the …

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Multipartite Entanglement In A Discrete Magnetic Bands Magnetic Lattice, Ahmed Abdelrahman, Peter Hannaford, Mikhail Vasiliev, Kamal Alameh Jan 2009

Multipartite Entanglement In A Discrete Magnetic Bands Magnetic Lattice, Ahmed Abdelrahman, Peter Hannaford, Mikhail Vasiliev, Kamal Alameh

Research outputs pre 2011

An asymmetric multi-quantum state magnetic lattice is proposed to host entangled system formed by using Bose Einstein Condensate. Discrete magnetic bands magnetic lattice is devised to locate a controllable long-range entanglement of a many qubits well separated in space. Confinement of the system may improve the condition for long-range entanglement.

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A Match-Based Approach To Optimize Conformance Test Sequence Generation Using Mp-Method, Jitian Xiao Jan 2009

A Match-Based Approach To Optimize Conformance Test Sequence Generation Using Mp-Method, Jitian Xiao

Research outputs pre 2011

An important issue in protocol conformance testing is how to generate test sequences in an efficient and effective way that achieves the required fault detection coverage. We proposed an approach for finding shorter test sequences for protocol conformance testing based on the Wp method in our previous work. While the method generated good quality test sequences, an extra leading sequence may have to be added if the final test sequence generated was not started from the same starting state of the given FSM. A new approach is proposed in this paper to overcome this problem thus to improve the quality …

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A Novel Reconfigurable Optical Interconnect Architecture Using An Opto-Vlsi Processor And A 4-F Imaging System, Mingya Shen, Feng Xiao, Kamal Alameh Jan 2009

A Novel Reconfigurable Optical Interconnect Architecture Using An Opto-Vlsi Processor And A 4-F Imaging System, Mingya Shen, Feng Xiao, Kamal Alameh

Research outputs pre 2011

A novel reconfigurable optical interconnect architecture for on-board high-speed data transmission is proposed and experimentally demonstrated. The interconnect architecture is based on the use of an Opto-VLSI processor in conjunction with a 4-f imaging system to achieve reconfigurable chip-to-chip or board-to-board data communications. By reconfiguring the phase hologram of an Opto-VLSI processor, optical data generated by a vertical Cavity Surface Emitting Laser (VCSEL) associated to a chip (or a board) is arbitrarily steered to the photodetector associated to another chip (or another board). Experimental results show that the optical interconnect losses range from 5.8dB to 9.6dB, and that the maximum …

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Wellbeing And Retention: A Senior Secondary Student Perspective, Jan Gray, Mark Hackling Jan 2009

Wellbeing And Retention: A Senior Secondary Student Perspective, Jan Gray, Mark Hackling

Research outputs pre 2011

Non-completion of senior secondary schooling continues to be a matter of concern for policy makers and practitioners in Australia today. Despite the efforts of governments to improve participation and retention rates, 30% of students drop out of school before completing Year 12. Further, some students remain at school, just biding their time until graduation. Within this context, we investigate whether the wellbeing of the students is a key factor in supporting senior students in deciding to continue at school. The article reports on the first phase of a two-year study of factors impacting on quality retention and participation of 250 …

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Perceptions And Pedagogy: Exploring The Beliefs And Practices Of An Effective Primary Science Teacher, Angela Fitzgerald, Vaille Dawson, Mark Hackling Jan 2009

Perceptions And Pedagogy: Exploring The Beliefs And Practices Of An Effective Primary Science Teacher, Angela Fitzgerald, Vaille Dawson, Mark Hackling

Research outputs pre 2011

Effective science teaching is vital for improved student learning outcomes in primary school science. Therefore, there is a need to tease out the components of effective science teaching to better understand what effective primary teachers do in their classrooms and why they do it. Four primary teachers, each nominated as effective science practitioners by a professional colleague, entered into this research study. This 'entry' phase involved gathering information from classroom observations and teacher interviews to provide background information about the beliefs and practices of these teachers. This paper reports on the findings drawn from one teacher - 'Deanne'.

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Laboratory Technicians In Australian Secondary Schools, Mark Hackling Jan 2009

Laboratory Technicians In Australian Secondary Schools, Mark Hackling

Research outputs pre 2011

A number of reports have argued that secondary science education needs to be more inquiry oriented and involve authentic and practical investigations to develop scientific literacy and better engage students in learning science. Inquiry-oriented approaches, such as those advocated in the new science national curriculum, require that teachers have access to good laboratory facilities and equipment and are supported by knowledgeable laboratory technicians. Without adequate and qualified technical support, the quality of the curriculum will be compromised. This paper reports on the status of laboratory technicians in Australian secondary schools and makes recommendations for improving the quality of training and …

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Distributed Optical Fibre Smart Sensors For Structural Health Monitoring: A Smart Transducer Interface Module, Graham Wild, Steven Hinckley Jan 2009

Distributed Optical Fibre Smart Sensors For Structural Health Monitoring: A Smart Transducer Interface Module, Graham Wild, Steven Hinckley

Research outputs pre 2011

In this paper, we present a smart transducer interface module (STIM) for distributed optical fibre smart sensors. The STIM is a general purpose interface that has been designed to be used with intensiometric optical fibre sensors. The interface is made up of 2 optical fibre PIN receivers, a differential amplifier and a digital signal processor. The two received signals are differentially amplified to increase sensitivity and the signal-to-noise ratio. A DSP evaluation board is used as the intelligence of the STIM, which has onboard ADC. The STIM was successfully used as an embedded system monitoring both temperature and strain, and …

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Investigating Other Leading Indicators Influencing Australian Domestic Tourism Demand, David Allen, Ghialy Choy Lee Yap Jan 2009

Investigating Other Leading Indicators Influencing Australian Domestic Tourism Demand, David Allen, Ghialy Choy Lee Yap

Research outputs pre 2011

In the tourism demand literature, much of the research focuses on income and price variables as demand determinants for travel. Nevertheless, the literature has neglected other possible indicators such as consumers’ perceptions of the future course of the economy, household debt and the number of hours worked in paid jobs. In fact, several studies found that these indicators could influence consumers in making decisions to travel. In this paper, we intend to examine whether there are other indicators that can influence future Australian domestic tourism demand. The research employs panel data with a total of 252 observations. For the dependent …

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Scada Security - Slowly Circling A Disaster Area, Craig Valli, Andrew Woodward Jan 2009

Scada Security - Slowly Circling A Disaster Area, Craig Valli, Andrew Woodward

Research outputs pre 2011

SCADA (Supervisory Control And Data Acquisition) networks control much of the industrialised nations production and supply complexes. Various government reports and investigations have highlighted the vulnerability of these systems. Many of these systems are on private networks which are increasingly being connected to systems that are accessible from other networks such as the Internet. SCADA systems have unique security and operational requirements. However, many of the most basic security measures are missing in these networks. This examines some of these issues and proposes some technologies that could help secure these networks from attack.

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Scada Forensics With Snort Ids, Craig Valli Jan 2009

Scada Forensics With Snort Ids, Craig Valli

Research outputs pre 2011

This paper is a research in progress paper outlining an approach using open source IDS (Snort) and honeypot (nepenthes, honeyd) technologies to create a resilient layered defensive approach for SCADA and control systems networks.

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Visualisation Of Honeypot Data Using Graphviz And Afterglow, Craig Valli Jan 2009

Visualisation Of Honeypot Data Using Graphviz And Afterglow, Craig Valli

Research outputs pre 2011

This research in progress paper explores the use of Graphviz and Afterglow for the analysis of data emanating from a honeypot system. Honeypot systems gather a wide range of data that is often difficult to readily search for patterns and trends using conventional log file analysis techniques. The data from the honeypots has been statically extracted and processed through Afterglow scripts to produce inputs suitable for use by the DOT graph based tools contained within Graphviz. This paper explores some of the benefits and drawbacks of currently using this type of approach.

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Insecurity By Obscurity: A Review Of Soho Router Literature From A Network Security Perspective, Patryk Szewczyk, Craig Valli Jan 2009

Insecurity By Obscurity: A Review Of Soho Router Literature From A Network Security Perspective, Patryk Szewczyk, Craig Valli

Research outputs pre 2011

Because of prevalent threats to SoHo based ADSL Routers, many more devices are compromised. Whilst an end-user may be at fault for not applying the appropriate security mechanisms to counter these threats, vendors should equally share the blame. This paper reveals that the lack of security related content and poor overall design could impact on end-users’ interpretation and willingness to implement security controls on their ADSL router. It argues that whilst the number of threats circulating the Internet is increasing, vendors are not improving their product literature.

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Intensity Of Herbivory On Kelp By Fish And Sea Urchins Differs Between Inshore And Offshore Reefs, Mathew Vanderklift, Paul Lavery, Kris Waddington Jan 2009

Intensity Of Herbivory On Kelp By Fish And Sea Urchins Differs Between Inshore And Offshore Reefs, Mathew Vanderklift, Paul Lavery, Kris Waddington

Research outputs pre 2011

Interactions between water motion, primary productivity, and herbivory are complex. Rates of grazing by fish on tropical coral reefs and by sea urchins on temperate rocky reefs are usually high, but can be low in areas of extreme water motion. Some herbivores can switch between mobile (grazing) and sedentary (drift-feeding) behaviours, and this can be influenced by water motion. We compared the relative consumption of the kelp Ecklonia radiata at rocky reefs in western Australia with different wave exposures (inshore versus offshore). No herbivory was recorded offshore, suggesting that wave exposure might inhibit herbivory. We also compared grazing by fish …

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Interactive Effects Of Timing, Intensity And Duration Of Experimental Shading On Amphibolis Griffithii, Paul Lavery, Kathryn Mcmahon, Michael Mulligan, Andrew Tennyson Jan 2009

Interactive Effects Of Timing, Intensity And Duration Of Experimental Shading On Amphibolis Griffithii, Paul Lavery, Kathryn Mcmahon, Michael Mulligan, Andrew Tennyson

Research outputs pre 2011

The responses of the seagrass Amphibolis griffithii to different experimental shading conditions were examined by characterising biomass, morphological and physiological features. In an in situ experiment, the intensity (ambient, moderate shading [13 to 19% of ambient] and high shading [5 to 11% of ambient]), duration (3, 6, 9 mo) and timing (post-summer, post-winter) of light reductions were manipulated. We observed interactive effects of all 3 factors, the most notable being with timing. When moderate shading was imposed at the end of summer there was a 57% loss of leaf biomass and 67% loss of rhizome carbohydrates within 3 mo. The …

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Rf Magnetron Sputtered (Bidy)3(Fega)5o12:Bi2o3 Composite Garnet-Oxide Materials Possessing Record Magneto-Optic Quality In The Visible Spectral Region, Mikhail Vasiliev, Mohammad Alam, V.A. Kotov, Kamal Alameh, V.I. Belotelov, V.I. Burkov, A.K. Zvezdin Jan 2009

Rf Magnetron Sputtered (Bidy)3(Fega)5o12:Bi2o3 Composite Garnet-Oxide Materials Possessing Record Magneto-Optic Quality In The Visible Spectral Region, Mikhail Vasiliev, Mohammad Alam, V.A. Kotov, Kamal Alameh, V.I. Belotelov, V.I. Burkov, A.K. Zvezdin

Research outputs pre 2011

Bismuth-substituted iron garnets are considered to be the most promising magneto-optical materials because of their excellent optical transparency and very high magneto-optical figures of merit in the near-infrared spectral region. However, the practical application of garnets in the visible and short-wavelength infrared parts of spectrum is currently limited, due to their very high optical absorption (especially in sputtered films) in these spectral regions. In this paper, we identify the likely source of excess absorption observed in sputtered garnet films in comparison with epitaxial layers and demonstrate (Bi,Dy)(3)(Fe,Ga)(5)O(12): Bi(2)O(3) composites possessing record MO quality in the visible region.

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Forging New Partnerships: Learning And Teaching Connections Between Academic And Library Staff, Eva Dobozy, Julia Gross Jan 2009

Forging New Partnerships: Learning And Teaching Connections Between Academic And Library Staff, Eva Dobozy, Julia Gross

Research outputs pre 2011

This paper presents a case study of how one teacher education (TE) lecturer and one faculty librarian built upon their shared experiences by forging a partnership to collaborate in a first-year teacher education unit. Technology-enhanced leaming and teaching through podcasting media was the catalyst for the partnership. The paper explores the potential and actual impact of this partnership on student leaming and suggests a path for further media-related partnerships between academic and library staff.

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An Opto-Vlsi-Based Reconfigurable Optical Add-Drop Multiplexer Employing An Off-Axis 4-F Imaging System, Mingya Shen, Feng Xiao, Selam Ahderom, Kamal Alameh Jan 2009

An Opto-Vlsi-Based Reconfigurable Optical Add-Drop Multiplexer Employing An Off-Axis 4-F Imaging System, Mingya Shen, Feng Xiao, Selam Ahderom, Kamal Alameh

Research outputs pre 2011

A novel reconfigurable optical add-drop multiplexer (ROADM) structure is proposed and demonstrated experimentally. The ROADM structure employs two arrayed waveguide gratings (AWGs), an array of optical fiber pairs, an array of 4-f imaging microlenses that are offset in relation to the axis of symmetry of the fiber pairs, and a reconfigurable Opto-VLSI processor that switches various wavelength channels between the fiber pairs to achieve add or drop multiplexing. Experimental results are shown, which demonstrate the principle of add/drop multiplexing with crosstalk of less than -27dB and insertion loss of less than 8dB over the Cband for drop and through operation …

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Water, Ecology And Health: Ecosystems As Settings For Promoting Health And Sustainability, Margot Parkes, Pierre Horwitz Jan 2009

Water, Ecology And Health: Ecosystems As Settings For Promoting Health And Sustainability, Margot Parkes, Pierre Horwitz

Research outputs pre 2011

Despite the proposed ecological and systems-based perspectives of the settings-based approach to health promotion, most initiatives have tended to overlook the fundamental nature of ecosystems. This paper responds to this oversight by proposing an explicit re-integration of ecosystems within the healthy settings approach. We make this case by focusing on water as an integrating unit of analysis. Water, on which all life depends, is not only an integral consideration for the existing healthy settings (schools, hospitals, workplaces) but also highlights the ecosystem context of health and sustainability. A focus on catchments (also know as watersheds and river basins) exemplifies the …

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Synchronous Asynchronicity: The Use Of Mobiles To Pattern Face-To-Face Encounters In Chaotic Environments, Jason Raymond Noble, Lelia Rosalind Green Jan 2009

Synchronous Asynchronicity: The Use Of Mobiles To Pattern Face-To-Face Encounters In Chaotic Environments, Jason Raymond Noble, Lelia Rosalind Green

Research outputs pre 2011

Although mobile media are commonly associated with distant communications, young adults also use Short Message Service (SMS) texting for inter-group exchanges in co-located circumstances. Such co-located mobile phone use is particularly evident where usual communication cues are compromised by a chaotic environment. Chaos can ensue when cues of voice and vision are impaired, with secondary impacts upon clear thought and fixed points of reference. A dark, noisy club environment would provide one example of this dynamic at work. Chaotic surroundings can encourage a pleasing suspension of individual control, while exposing participants to a range of social and emotional risks. Text …

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Impact Of The Financial Crisis On Australian Bank Default Risk, Robert Powell, David E. Allen Jan 2009

Impact Of The Financial Crisis On Australian Bank Default Risk, Robert Powell, David E. Allen

Research outputs pre 2011

Australian Banks are widely considered to have remained in far better shape during the financial crisis than their global counterparts. The Australian banking sector has retained solid earnings and good capitalisation. Indeed, the 4 major Australian banks are part of a select group of only 8 global banks who hold AA credit ratings. Nonetheless, Australian banks have experienced significant deterioration in market values of assets in line with global financial market fluctuations. The KMV / Merton structural model is widely used by Australian and global banks to measure default probabilities of their customers based on market asset values and debt …

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A Randomized Controlled Trial Of An Exercise Intervention Targeting Cardiovascular And Metabolic Risk Factors For Prostate Cancer Patients From The Radar Trial, Daniel Galvao, Nigel Spry, Dennis Taaffe, James Denham, David Joseph, David Lamb, Gregory Levin, Gillian Duchesne, Robert U. Newton Jan 2009

A Randomized Controlled Trial Of An Exercise Intervention Targeting Cardiovascular And Metabolic Risk Factors For Prostate Cancer Patients From The Radar Trial, Daniel Galvao, Nigel Spry, Dennis Taaffe, James Denham, David Joseph, David Lamb, Gregory Levin, Gillian Duchesne, Robert U. Newton

Research outputs pre 2011

Androgen deprivation therapy leads to a number of adverse effects including deterioration of the musculoskeletal system and increased risk factors for cardiovascular and metabolic complications. The purpose of this study is to determine the effects, efficacy, retention and compliance of a physical exercise intervention in a large established cohort of prostate cancer patients from the Randomised Androgen Deprivation and Radiotherapy (RADAR) study. Specifically, we aim to compare short- and long-term effects of a prostate cancer-specific supervised exercise program to a standard public health physical activity strategy utilizing printed resources on cardiovascular and metabolic risk factors. Our primary outcomes are cardiorespiratory …

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The Catalyst Clemente Project: Making Journalism Education Accessible To Disadvantaged Australians, Trevor Cullen Jan 2009

The Catalyst Clemente Project: Making Journalism Education Accessible To Disadvantaged Australians, Trevor Cullen

Research outputs pre 2011

This is a brief commentary on a new initiative to promote engagement with the wider community through the Catalyst Clemente project, which was introduced in Western Australia in 2008. It encourages participants to improve their personal situation through learning and developing essential skills in a supportive environment. It also seeks to promote self-confidence in people at risk of homelessness or physical and mental illness, by encouraging them to take control of their lives and bring about personal change through undergraduate education. The program gives applicants the opportunity to do accredited university courses in the area of the humanities. I was …

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Health Communication Theories: Implications For Hiv Reporting In Asia And The Pacific, Trevor Cullen Jan 2009

Health Communication Theories: Implications For Hiv Reporting In Asia And The Pacific, Trevor Cullen

Research outputs pre 2011

This paper focuses on the expanding HIV (Human Immunodeficiency Virus) epidemic in parts of Asia and the Pacific region and recommends the adoption of insights from particular health communication theories. The author argues that these paradigms can assist in broadening the current scope and content of HIV reporting. One theory in particular - Social Change Communication (SCC) - challenges the media to extend the framing of HIV from primarily a health story to one that is linked to more macro socio-economic, cultural and political factors. Asian and Pacific countries that have an emerging or expanding HIV epidemic need to realise …

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A Review Of Interventions To Encourage Smes To Make Environmental Improvements, Craig M. Parker, Janice Redmond, Mike Simpson Jan 2009

A Review Of Interventions To Encourage Smes To Make Environmental Improvements, Craig M. Parker, Janice Redmond, Mike Simpson

Research outputs pre 2011

Small and medium sized enterprises (SMEs) are an important part of the world economy but they are thought to be responsible for around 60% of all carbon dioxide emissions and 70% of all pollution. SMEs often have major problems with limited resources, limited knowledge and limited technical capabilities to deal with their own negative environmental impact. SMEs exhibit widely differing characteristics and commitment where environmental issues are concerned. Yet under these conditions they are all expected to engage in environmental improvement. Interventions that encourage environmental improvement are often polarised between regulation and legislation at one extreme and voluntary environmental agreement …

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Environmental Education In Small Business: The Owner-Manager's Perspective, Janice Redmond, Elizabeth Walker Jan 2009

Environmental Education In Small Business: The Owner-Manager's Perspective, Janice Redmond, Elizabeth Walker

Research outputs pre 2011

Traditionally, environmental education has been aimed at the community or in primary schools and governmental pressure to reduce environmental damage has focussed on large businesses. More recently, the role and importance of small business and how to engage them in the environmental debate has come under scrutiny. Researchers have identified education as one method of increasing the understanding of small business owner-managers’ role and knowledge of practices that, when implemented, will reduce the negative impacts of their businesses. However, there is little attention given in the literature to the perspective of the small business owner-manager and environmental education. This research …

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An Analysis Of Small Business Owners' Participation In Online Learning, Tara Smith, Susan Stoney, Elizabeth Walker Jan 2009

An Analysis Of Small Business Owners' Participation In Online Learning, Tara Smith, Susan Stoney, Elizabeth Walker

Research outputs pre 2011

Small business owner-managers are a difficult group to engage in training and learning activities and the delivery medium has often been cited as a reason. This paper reports the preliminary findings of a qualitative research project regarding small business owner-manager participation in an online collaborative learning forum. The findings suggest that three principle themes emerged to explain why some small business owner-managers participated in the forum. These include; access to a networked computer; the personal characteristics of the small business owner-manager, and the design of the online learning forum. The findings also suggest that learning styles need to be specifically …

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Performance Of Mobile Camera On Colour 2d Barcode, Siong K. Ong, Douglas Chai, Keng T. Tan Jan 2009

Performance Of Mobile Camera On Colour 2d Barcode, Siong K. Ong, Douglas Chai, Keng T. Tan

Research outputs pre 2011

In recent years, colour 2D barcodes have emerged to increase the data capacity of the 2D barcode. Similarly, camera-equipped mobile phones have became more popular and their camera could act as an input device for a barcode decoder. In this paper, three Windows Mobile (WM) operated mobile phones are used to test their camera performance in reading the colour 2D barcodes. From the results, recommendations are put forward to those who are developing colour 2D barcode reader for mobile phones.

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Novel Colour Selection Scheme For 2d Barcode, Hiroko Kato, Keng T. Tan, Douglas Chai Jan 2009

Novel Colour Selection Scheme For 2d Barcode, Hiroko Kato, Keng T. Tan, Douglas Chai

Research outputs pre 2011

The use of colours in 2D barcodes is challenging. This is even more so in barcodes for mobile devices. Although 2D barcodes are fast becoming the ubiquitous tool for mobile computing, most implementations considered monochromatic 2D barcodes. A few colour 2D barcodes are emerging but these implementations only utilises a limited number of colours. In this paper, we present the challenges faced by the use of colours in 2D barcodes for mobile devices. We also introduce a novel colour selection scheme for 2D barcode, which is implemented in our novel colour 2D barcode - the MMCCTM. Our novel selection scheme …

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Consequences Of Climate-Driven Biodiversity Changes For Ecosystem Functioning Of North European Rocky Shores, Stephen Hawkins, Heather Sugden, Nova Mieszkowska, Philippa Moore, Elvira Poloczanska, Rebecca Leaper, Roger Herbert, Martin Genner, Paula Moschella, Richard Thompson, Stuart Jenkins, Alan Southward, Michael Burrows Jan 2009

Consequences Of Climate-Driven Biodiversity Changes For Ecosystem Functioning Of North European Rocky Shores, Stephen Hawkins, Heather Sugden, Nova Mieszkowska, Philippa Moore, Elvira Poloczanska, Rebecca Leaper, Roger Herbert, Martin Genner, Paula Moschella, Richard Thompson, Stuart Jenkins, Alan Southward, Michael Burrows

Research outputs pre 2011

We review how intertidal biodiversity is responding to globally driven climate change, focusing on long-term data from rocky shores in the British Isles. Physical evidence of warming around the British Isles is presented and, whilst there has been considerable fluctuation, sea surface temperatures are at the highest levels recorded, surpassing previous warm periods (i.e. late 1950s). Examples are given of species that have been advancing or retreating polewards over the last 50 to 100 yr. On rocky shores, the extent of poleward movement is idiosyncratic and dependent upon life history characteristics, dispersal capabilities and habitat requirements. More southern, warm water …

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