Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 28 for “"280000 Information, Computing and Communication Sciences"”.
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Digital immigrant teachers learning for the information age
… investigated how experienced teachers learned Information and Communication Technologies (ICT) during their professional development. With the introduction of ICT, experienced teachers encountered change becoming virtually displaced persons – digital immigrants; new settlers – endeavouring to …
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Design and analysis of hash functions
… are hash functions based on block ciphers and the dedicated hash functions. Almost all the dedicated hash functions are generated using the Merkle-Damgård construction which is developed independently by Merkle and Damgård in 1989 [6, 7]. A hash function is said to be broken if an attacker …
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Computer recognition of musical instruments : an examination of within class classification
… of a given type - in this study four guitars and five violins. In recent years there have been numerous studies where between class classification has been attempted, but there have been no attempts at within class classification. Since timbre is the quality/quantity that enables one musical …
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Complexity reduction in multiple input multiple output algorithms
Wireless communication devices are currently enjoying increasing popularity and widespread use. The constantly growing number of users, however, results in the shortage of the available spectrum. Various techniques have been proposed to increase the spectrum efficiency of wireless systems to solve …
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Web mining techniques for recommendation and personalization
Nowadays Web users are facing the problems of information overload and drowning due to the significant and rapid growth in the amount of information and the number of users. As a result, how to provide Web users with more exactly needed information is becoming a critical issue in web-based …
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Agent-based open connectivity for decision support systems
… of Decision Support Systems (DSSs) is the un-standardised DSS environment. Computers that support modern business processes are no longer stand-alone systems, but have become tightly connected both with each other and their users. Therefore, having a standardised environment that allows …
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Spectroscopy of thulium doped silica glass
The increasing demand for bandwidth in optical fibre communication systems has prompted a significant research effort into developing efficient fibre based optical amplifiers at operating wavelengths neighbouring the erbium-doped fibre amplifier. Of the possible candidates, thulium-doped fibre …
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A Statistical Approach to Automatic Process Control (regulation schemes)
… as feed rate, temperature, pressure, viscosity, and to product quality variables as well. Conventional practices of engineering control use the potential for step changes to justify an integral term in the controller algorithm to give (long-run) compensation for a shift in the mean of a product …
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Nonlinear Methods in the Study of Singular Partial Differential Equations
… applied probability, mathematical physics and biology. The purpose of this thesis is to develop analytical methods to investigate a large class of nonlinear elliptic PDEs underlying models from physical and biological sciences. These methods advance the knowledge of qualitative properties …
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Tourism information systems integration and utilization within the semantic web
… about the extent to which the Semantic Web and related technologies can assist with the creation, capture, integration, and utilization of accurate, consistent, timely, and up-to-date Web based tourism information. Tourism is vital to the economies of most countries worldwide (developed and …
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E-mentoring and information systems effectiveness models: a useful nexus for evaluation in the small business context
While information communications technology provides new opportunties for supporting mentoring, there is a need to explore how effectively these potential benefits are being realised. The evaluation of the effectiveness of structured e-mentoring in the small business context is problematic because …
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Examining a technology acceptance model of internet usage by academics within Thai business schools
Information Technology has been a significant research area for some time, but its nature has changed considerably since the Internet became prominent just over a decade ago. Many researchers have studied and proposed theories and models of technology acceptance in order to predict and explain user …
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Enterprise modelling: the key to successful business systems integration
… systems design is followed to promote business information systems integration and a high degree of data integrity. This research reports on a comprehensive case study of one of Australia’s leading telecommunications carriers and service providers. The case study relates to the advent of Mobile …
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Co operative satisfaction factors for effective strategic alliances in the Australian telecommunications industry
The telecommunications industry is critically important to Australia’s economic future. For this reason it was chosen as the subject of this thesis. This industry has progressed through a number of stages. From 1975 to 1991 it was a monopolistic public utility. During the nineties it became a …
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Analysis and evaluation of visual information systems performance
… the system-centred evaluation of visual information retrieval from generic photographic collections. The development of visual information retrieval systems has long been hindered by the lack of standardised benchmarks. Researchers have proposed numerous systems and techniques, and …
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Critical Factors in the Adoption and Diffusion of E-Government Initiatives in Oman
… barriers must be faced in the adoption and dissemination of e-government systems regardless of how advanced or modest a country is in terms of ICT infrastructure and deployment. This research has endeavored to investigate the impediments associated with the development and diffusion of …
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Investigation on the quality of videoconferencing over the Internet and intranet environments
This study deals with the scope and feasibility of video-conferencing on the Internet and Intranet, for a real-time implementation of a classroom atmosphere linking different universities. I have considered the effects of various factors on video conferencing and different tests have been performed …
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Channel Estimation for OFDM Systems With Transmitter Diversity
… carrier modulation techniques for high data rate communication systems, mainly because of its inherent equalisation simplicity. Transmitter diversity can effectively combat multipath channel impairments due to the dispersive wireless channel that can cause deep fades in some subchannels. The …
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The role of information technology in disseminating innovations in agribusiness: a comparative study of Australia and Sri Lanka
In the wake of the rapid evolution of information technology (IT), including the internet, during the last three decades, much attention has been given to the introduction of IT to the agricultural sector, and to ensuring its adoption by farmers. Given its apparent ability to provide rich …
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A Multidimensional Model for Transnational Computing Education Programs
… embedded as a part of the distance education landscape, governments and universities are calling for meaningful research on transnational education. This study involved the development and validation of a model for effective transnational education programs. The study used student experience as …
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