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.
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Showing 1 to 20 of 23 for “"Information channels"”.
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Design of information channels for mission-critical systems
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2001.
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Describing functions for information channels subject to packet loss and quantization
… control system, whereas in the ocean, acoustic channels with perhaps twenty bits per second allow only the most basic sensor and command information to be shared regularly. Packet-based wireless communication systems like these that operate near their limits are necessarily quantized, and often …
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Probabilistic multiple kernel learning
… of multiple and possibly heterogeneous information sources for an overall decision-making process has been an open and unresolved research direction in computing science since its very beginning. This thesis attempts to address parts of that direction by proposing probabilistic data …
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Analysis of a Project Designed to Modernize the Communications Efficiency of the United Methodist Church
… and creation of systematic public relations information channels. The goals of the project have been met with each area, with exception of special Bicentennial promotions, a functional ongoing element of the Springfield District.
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Channel Comparison Methods and Statistical Problems on Graphs
Initially driven by channel coding, information theory has developed a large collection of tools for measuring and comparing effectiveness of information channels. These tools have found applications in various fields such as statistics, probability, and theoretical computer science. This thesis …
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A Statistical Analysis of the Impact of Cable Television on the Use of Competing Media
… growing and most successful forms of mass information dissemination in recent years. Despite widespread acceptance of cable, little research has been conducted to date regarding the competitive effects of cable upon other media forms. Hence, the purpose of this study was to scientifically …
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Multi-signal gesture recognition using body and hand poses
… gesture recognition system that integrates information from body and hand poses. Unlike previous approaches to gesture recognition, which concentrated mainly on making it a signal signal, our system allows a richer gesture vocabulary and more natural human-computer interaction. The system …
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An evaluation of the requirements of users of biomedical informational services as provided by the South African Medical Research Council
… of IML to construct both a "personal" and "information behaviour" profile of both the user and non-user groups. The literature was studied to provide (i) a conceptual framework for the field of research, (ii) a compilation of findings in studies related to this study and (iii) a basis for …
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Watching Storytelling: Visual Information in Oral Narratives
… unique nature of oral narratives focusing on the information channels utilized by participants in their co-creation of stories. A comparative case study was undertaken of three groups who employed a variety of synchronous and asynchronous electronic mediation in their storytelling. Viewed through …
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Gatekeeping in agriculture publications: agriculture editors' uses of information sources and channels
… trade publications, turning to these sources for information that is used to make decisions in their production management, in turn affecting the entire multi-billion dollar industry in the United States. Editors of these trade publications act as gatekeepers of the information that is published, …
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Visualizing inhibitory and excitatory synapse dynamics In vivo
… can be made and broken, modifying the information flow within a circuit by enabling or removing specific information channels. However, the properties of inhibitory and excitatory synapse dynamics are not well understood. To address this issue, we utilized triple-color two photon …
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Price information channel preferences: a case study of composite feed companies
… their current satisfaction with the channel. Two channels emerged as the most preferred among the 10 that were evaluated: the printed catalog and the digital catalog. Their average preference scores were, respectively, 23.82% (S.D. = 38.02%) and 22.81% (38.40%). The interquartile range (25th to …
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An audience focused approach to framing climate-change communication in agriculture
… media sources for climate and climate change information. Specific research objectives to guide the study were RO1: describe the level of issue salience agricultural producers have related to climate change; RO2: investigate frames and messages agricultural producers prefer in reference to the …
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Overcoming Misinformation and Disinformation During a School Bond Election: A Case Study
… can take to educate their voters in an era of misinformation and disinformation, there is little available. Most recent research on misinformation and disinformation is focused on health and political topics resulting in a lack of scholarly and practitioner-oriented knowledgebases concerning …
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Collective dynamics of astrocyte and cytoskeletal systems
… aims at a complementary view of the general information processing of the brain, focusing on other modes of non-electrical information. The modes discussed are the collective, dynamical characteristics of non-electrically active, non-neuronal brain cells, and mechanical systems. Astrocytes …
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Examining the social amplification of risk in Great Lakes areas of concern
… effective analytical lens for examining how risk information about waterway pollutants travels through communities, and successfully identifies differences in those patterns of risk information before and after remediation is complete. Chapter 2 applies the SARF to three different AOC sites that …
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Neural response variability in the navigational system of the brain
… into how the brain processes and represents information. Many statistical methods have been developed to estimate this quantity, leading to powerful concepts such as tuning curves and population dynamics. However, neural recordings show highly variable activity that is structured beyond the …
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ms-Scale temporal coding in the thalamus predicted by whisker dispersive vibrational transduction
Whether stimulus information is encoded in the whisker system has been a question of debate. Considering the remarkable temporal precision in the whisker system with spike timing as small as 10μs, there is potential for ultrahigh capacity information channel in kb/s. To study temporal structures in …
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The Causal Impact of Information Crowd-sourcing Platform on Agricultural Supply Chain
… study the impact of increased access to market information on the welfare of micro-firms in informal supply chains, as measured by revenue and price realization. In most informal supply chains, micro-firms receive access to only limited market information through their informal networks (e.g. …
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Land use change and natural Araucaria forest degradation : northeastern misiones - Argentina
… imagery analysis, with the support of geographic information systems (GIS) and the Universal Soil Loss Equation (USLE) model, were carried out. <br>Today, the A.angustifolia population is completely fragmented, mostly composed from isolated individuals or of very poor growth or ones overmature or …
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