34 resultados para mesh: Tutorial

em Deakin Research Online - Australia


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An online, interactive tutorial, Smart Searcher, was introduced at Deakin University as part of the Iibrary's information skills program in late 2000. As liaison librarians responsible for library skills training we wanted to compare and evaluate this mode of instruction with our normal face-to-face delivery of library instruction. This study found that students with face-to-face instruction did, in fact, gain higher posttest mean scores than students completing the online tutorial. Also, students attending these library sessions felt more confident about their library skills than those in the online tutorial only session.

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Ad hoc networks became a hot topic recently, but the routing algorithm of anycast in the ad hoc networks has not yet been much explored. In this paper, we propose a mesh-based anycast routing algorithm (MARP) for ad hoc networks. The proposed routing model is robust and reliable, which can solve the unsteady topology problem in ad hoc networks. The future work is discussed at the end of this paper.

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The object-oriented finite element method (OOFEM) has attracted the attention of many researchers. Compared with the traditional finite element method, OOFEM software has the advantages of maintenance and reuse. Moreover, it is easier to expand the architecture to a distributed one. In this paper, we introduce a distributed architecture of a object-oriented finite element preprocessor. A comparison between the distributed system and the centralised system shows that the former, presented in the paper, greatly improves the performance of mesh generation. Other finite element analysis modules could be expanded according to this architecture.

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The higher education sector, the world over, is faced with the challenging task of servicing an increasingly diverse international student community in the globally competitive education market. The rising expectation of students of education outcomes, varied learning styles and orientations of the student population have brought in challenges such as providing a high quality educational environment with changes in curricula and pedagogy (Coldrake, 2001) to negotiate the cultural and linguistic diversity and the resulting expectations of students. The 'quality' of teaching and learning is high on the agenda among the key issues that had emerged from policy developments to meet these challenges.

Using the SPQ2F instrument (Biggs, 2003) and depth interviews, this paper investigates the study 3J'PToaches of students enrolled in a second year marketing unit in an Australian university focusing on the learning contexts in which learning occurs. The findings indicate that there are no significant differences in study approaches of students and that the study approaches differ according the learning context. The paper concludes that student perceptions on learning contexts assist in the development of teaching strategies that lead to quality outcomes, higher student satisfaction and providing universities a competitive edge in marketing its services to prospective students.

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One of the problems faced by Australian academics in the 21 st century is to facilitate learning with a changing profile of students, in bigger and bigger classes. As educators at tertiary institutions, our environment is undergoing major changes as increasingly marketing programs are offering courses either partially (Web enabled) or totally (Web exclusive) online. This study has developed a significant model allowing the prediction of students' overall results and indicates that a student's final grade is dependant, in part, on accessing the study materials and study tools available to them via WebCT and attending face-to-face tutorials.

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This guide has been written for people who are new to tutoring in the Faculty of Economics and Commerce at the University of Melbourne. It is one of a number of teaching and related guides provided by the Teaching and Learning Unit (TLU).
The guide is intended to be a useful source of ideas and advice for good tutoring practice, based on sound educational principles and research.

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Games are universal and probably as old as humankind. Today the development of computer technology, especially the development of fast networks and the Internet, brings games a faster growth than ever before. Game design and development is now a fast-growing entertainment field, with a lot to offer professionally and creatively. In fact, from IT professional’s point of view, creating computer games provides us with all the usual technical challenges associated with software development, such as requirement analysis, architectural design, rapid prototyping, HCI, parallel and distributed processing, code reuse, programming, performance evaluation, testing and maintenance. It also provides challenges on other exciting aspects, such as storyboarding, screenplays, illustration, animation, sound effects, music, and social impact. By developing a computer game from start to finish, one would be able to acquire multi-disciplinary knowledge to become an IT professional for the modern era.

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One of the problems faced by Australian academics in the 21st century is to facilitate learning with a changing profile of students, in bigger and bigger classes. As educators at tertiary institutions, our environment is undergoing major changes as increasingly business and commerce programs are offering courses either partially (Web enabled) or totally (Web exclusive) online. This study has developed an important model allowing the prediction of students' overall results and indicates that a student's final grade is dependant, in part, on accessing the study materials and study tools available to them via WebCT and attending face-to-face tutorials.

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Fully-connected mesh networks that can potentially be employed in a range of applications, are inherently associated with major deficiencies in interference management and network capacity improvement. The tree-connected (routing based) mesh networks used in today’s applications have major deficiencies in routing delays and reconfiguration delays in the implementation stage. This paper introduces a CDMA based fully-connected mesh network, which controls the transmission powers of the nodes in order to ensure that the communication channels remain interference-free and minimizes the energy consumption. Moreover, the bounds for the number of nodes and the spatial configuration are provided to ensures that the communication link satisfies the QoS (Quality of Service) requirements at all times.

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Service-oriented wireless sensor networks (WSNs) are being paid more and more attention because service computing can hide complexity of WSNs and enables simple and transparent access to individual sensor nodes. Existing WSNs mainly use IEEE 802.15.4 as their communication specification, however, this protocol suite cannot support IP-based routing and service-oriented access because it only specifies a set of physical- and MAC-layer protocols. For inosculating WSNs with IP networks, IEEE proposed a 6LoWPAN (IPv6 over LoW Power wireless Area Networks) as the adaptation layer between IP and MAC layers. However, it is still a challenging task how to discover and manage sensor resources, guarantee the security of WSNs and route messages over resource-restricted sensor nodes. This paper is set to address such three key issues. Firstly, we propose a service-oriented WSN architectural model based on 6LoWPAN and design a lightweight service middleware SOWAM (service-oriented WSN architecture middleware), where each sensor node provides a collection of services and is managed by our SOWAM. Secondly, we develop a security mechanism for the authentication and secure connection among users and sensor nodes. Finally, we propose an energyaware mesh routing protocol (EAMR) for message transmission in a WSN with multiple mobile sinks, aiming at prolonging the lifetime of WSNs as long as possible. In our EAMR, sensor nodes with the residual energy lower than a threshold do not forward messages for other nodes until the threshold is leveled down. As a result, the energy consumption is evened over sensor nodes significantly. The experimental results demonstrate the feasibility of our service-oriented approach and lightweight middleware SOWAM, as well as the effectiveness of our routing algorithm EAMR.