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Full-Text Articles in Social and Behavioral Sciences
A Comparison Of Two Nutrition Signposting Systems For Use In Australia, Jimmy Chun Yu Louie, Victoria M. Flood, Anna Rangan, Debra J. Hector, Tim Gill
A Comparison Of Two Nutrition Signposting Systems For Use In Australia, Jimmy Chun Yu Louie, Victoria M. Flood, Anna Rangan, Debra J. Hector, Tim Gill
Faculty of Health and Behavioural Sciences - Papers (Archive)
Consumers are interested in making healthier food choices but the mandatory nutrition information panel currently in use in Australia is not easily understood or interpreted by most consumers. A simple nutrition signpost would be valuable. This paper reviews two nutrition signposting systems currently being considered for adoption in Australia. The authors conclude that a system similar to the colour-coded Traffic Light System is likely to be most useful.
Ti-In-Zircon Thermometry Applied To Contrasting Archean Metamorphic And Igneous Systems, Joe Hiess, Allen Phillip Nutman, Vickie C. Bennett, Peter Holden
Ti-In-Zircon Thermometry Applied To Contrasting Archean Metamorphic And Igneous Systems, Joe Hiess, Allen Phillip Nutman, Vickie C. Bennett, Peter Holden
Faculty of Science - Papers (Archive)
Ti-in-zircon thermometry with SHRIMP II multi-collector has been applied to two well-documented Archean igneous and metamorphic samples from southern West Greenland. Zircons from 2.71 Ga partial melt segregation G03/38 formed in a small (<1 >m(3)), closed system within a mafic rock under high pressure granulite facies conditions. Results of 14 Ti analyses present a mean apparent zircon crystallization temperature of 679 +/- 11 degrees C, underestimating independent garnet-clinopyroxene thermometry by 20-50 degrees C but consistent with reduced a(TiO2) in this system. 36 spot analysis on 15 zircons from 3.81 Ga meta-tonalite G97/18, with an estimated magmatic temperature >1000 degrees C, …
Evolution Analysis Of Low-Cost Iterative Equalization In Coded Linear Systems With Cyclic Prefixes, Xiaojun Yuan, Qinghua Guo, Xiaodong Wang, Li Ping
Evolution Analysis Of Low-Cost Iterative Equalization In Coded Linear Systems With Cyclic Prefixes, Xiaojun Yuan, Qinghua Guo, Xiaodong Wang, Li Ping
Faculty of Engineering and Information Sciences - Papers: Part A
This paper is concerned with the low-cost iterative equalization/detection principles for coded linear systems with cyclic prefixes. Turbo frequency-domain-equalization (FDE) is applied to systems that may contain the joint effect of multiple-access interference (MAI), cross-antenna interference (CAI) and inter-symbol interference (ISI). We develop an SNK-variance evolution technique for the performance evaluation of the proposed systems. Numerical results in various channel environments demonstrate excellent agreement between the predicted and simulated system performance. © 2008 IEEE.
Performance Analysis Of Multi-Ary Systems With Iterative Linear Minimum-Mean-Square-Error Detection, Li Ping, Jun Tong, Xiaojun Yuan, Qinghua Guo
Performance Analysis Of Multi-Ary Systems With Iterative Linear Minimum-Mean-Square-Error Detection, Li Ping, Jun Tong, Xiaojun Yuan, Qinghua Guo
Faculty of Engineering and Information Sciences - Papers: Part A
This paper is concerned with coded multi-ary systems over linear channels. Based on a semi-analytical evolution technique, the impact of signaling schemes on the performance of low-cost iterative linear minimum-mean-square-error (LMMSE) detection is studied. It is shown that superposition coded modulation (SCM) maximizes the output signal-to-noise ratio (SNR) of LMMSE detectors. Consequently, SCM may potentially outperform other conventional signaling schemes when LMMSE detectors are used. Numerical examples are provided to verify the theoretical analysis. © 2008 IEEE.
The Influence Of Perceived Credibility On Preferences For Recommender Systems As Sources Of Advice, Kyung Hyan Yoo, Ulrike Gretzel
The Influence Of Perceived Credibility On Preferences For Recommender Systems As Sources Of Advice, Kyung Hyan Yoo, Ulrike Gretzel
Faculty of Commerce - Papers (Archive)
Recommender systems promise to support travelers in complex decision-making processes; however, whether a recommendation is seen as credible advice and actually taken into account not only depends on travelers' perceptions of the recommendation but also of the system as the advice giver. A scale to measure recommender system credibility was developed and tested. The results confirm that credibility has two dimensions: expertise and trustworthiness. Further, significant gender differences in credibility perceptions were found. The findings also indicate that respondents prefer humans as recommendation sources and that this preference is influenced by perceptions of lack of credibility of recommender systems as …
Optimising User Acceptance Of Mandated Mobile Health Systems (Mhs): The Epoc (Electronic Point-Of-Care) Project Experience, Lois Burgess, Joan Cooper, Jason P. Sargent
Optimising User Acceptance Of Mandated Mobile Health Systems (Mhs): The Epoc (Electronic Point-Of-Care) Project Experience, Lois Burgess, Joan Cooper, Jason P. Sargent
Faculty of Commerce - Papers (Archive)
From a clinical perspective, the use of mobile technologies such as Personal Digital Assistants (PDAs) within hospital environments is not new. A paradigm shift however, is underway towards the acceptance and utility of such systems within community-based healthcare environments. Notwithstanding, introducing new technologies and associated work practices has intrinsic risks which must be addressed. In situations where end-users of a system are traditionally averse to technology through entrenched paper-based work practices (for example, community health workers), the process of managing change bears considerable determination in system implementation success. The authors propose a novel approach to end user acceptance within the …
Performance Analysis Of Ofdm-Idma Systems With Peak-Power Limitation, Jun Tong, Qinghua Guo, Li Ping
Performance Analysis Of Ofdm-Idma Systems With Peak-Power Limitation, Jun Tong, Qinghua Guo, Li Ping
Faculty of Engineering and Information Sciences - Papers: Part A
This paper is concerned with orthogonal frequency-division multiplexing interleave-division multiple-access (OFDM-IDMA) systems over frequency-selective fading channels. Deliberate clipping is applied to reduce the peak-to-average power ratio (PAPR) of each user's transmitted signal. An iterative multiuser detection (MUD) technique is developed to recover the performance loss due to clipping. A semi-analytical signal-to- noise ratio (SNR) evolution technique is proposed, which can provide quick and accurate prediction of the iterative MUD performance. Numerical results show that the performance of OFDM-IDMA is not sensitive to the frequency selectivity of channels, and OFDM-IDMA is more power-efficient than other alternative multi-carrier transmission techniques. © 2008 …