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 67 for “"small world"”.
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Using small world models to study infection communication and control
… models and especially on those exhibiting the small-world properties described by Watts and Strogatz in “Nature” in 1998. This thesis examines such graph models, discovering several attributes which may yield improved results. In order to quantify the effects of these proposals, a …
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"A case study of legitimate literacies: teens' ""small world"" and the school library"
… of young adult information cultures—or “small worlds,” as described by Elfreda Chatman (1999). Information literacy, as it is defined within the school environment, often neglects the information experience of teens outside of the school. Therefore, emphasis in schools is placed on …
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Sanctioned and Controlled Message Propagation in a Restrictive Information Environment: The Small World of Clandestine Radio Broadcasting
… of national liberation struggle and Chatman's small world information model. All the message propagation elements in the Sturges and Chatman's models are present in the broadcast texts analyzed. However, the findings of this dissertation indicate that communication in a restrictive information …
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IT IS A SMALL WORLD AND IT IS ONLY GETTING SMALLER: EXPLORING THE RELATIONSHIP BETWEEN SOCIAL NETWORK CHARACTERISTICS AND OUTCOMES WHILE ACCOUNTING FOR THE INFLUENCE OF MEDIATORS AND MODERATORS
In this manuscript I examine outcomes associated with social networks in organizations. Specifically, I consider how two characteristics of social networks (i.e., centrality, tie strength) can affect the performance and satisfaction of employees at work. Then, I explore the role that perceptions of …
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The Effects of Chronic Sleep Deprivation on Sustained Attention: A Study of Brain Dynamic Functional Connectivity
… in the chronic sleep deprivation condition. A smaller impact of clustering coefficient variation on characteristics path lengths indicated an ineffective adaptability of brain functional networks in the chronic sleep deprivation condition. In the rested wakefulness condition, brain functional …
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Towards an Integrated Model of the Mental Lexicon
… using a metric based on some word feature, a <em>small-world</em> structure is formed. This property, pervasive in many real-world networks, implies processing efficiency and resiliency to node deletion within the system, explaining the need for such a robust network as the mental lexicon. …
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A Framework for Web Object Self-Preservation
… development of the framework called unsupervised small-world (USW) which is at the nexus of emergent behavior, graph theory, and digital preservation. The USW algorithm creates graph based structures on the Web used for preservation of web objects (WOs). Emergent behavior activities, based on …
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Secure, Efficient and Privacy-aware Framework for Unstructured Peer-to-Peer Networks
… arrangements in centralised systems. Small World networks represent a model that addresses many existing challenges within Ubiquitous Computing networks. Therefore, it is imperative to study the properties of Small World networks to help understanding, modelling and improving the …
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An algorithmic approach to social networks
… aspects of social networks: (1) we analyze the "small-world" phenomenon by examining the geographic patterns of friendships in a large-scale social network, showing how this linkage pattern can itself explain the small-world results; (2) using existing patterns of friendship in a social network …
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A game-theoretic network formation model
… network formation model that yields large-scale small-world networks. So far, mostly stochastic frameworks have been utilized to explain the emergence of these networks. On the other hand, it is natural to seek for game-theoretic network formation models in which links are formed due to strategic …
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Managing Agent Sampling Probabilities in Irregular Networks
… solution to issues surrounding large real-world networks. Such networks are often modeled by small-world, scale-free, minimum-distance, or random (SFMR) graphs. If agents randomly wander nodes, then the irregularity found in these types of graphs gives rise to some nodes being visited more …
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The use of domain knowledge in optimal information aggregation
… agree, and an extension of these results to small-world graphs, which have been of great interest recently due to their practical applicability to many complex problems.
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A high-performance framework for analyzing massive complex networks
… analytically study interesting aspects of real-world complex systems such as the Internet, social systems, transportation networks, and biological interaction data by modeling them as graphs. Graph-theoretic and combinatorial problems are also pervasive in scientific computing and engineering …
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Evolution of protein structure, function, and dynamics in biological systems
… is a key evolutionary principle of organization. Small world behavior increases at lower levels and decreases at higher levels of organization in evolving metabolic networks. Remarkably, we find similar small world tendencies in evolving dynamics networks of protein loops. Lastly, we present a …
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Knowledge networks and innovation policy
… network. The best performance is achieved in 'small-world' networks which consist of tightly interrelated groups of agents which have some contacts with other groups. Limitations on the learning capabilities of the agents may prevent knowledge sharing. If the agents require a shared knowledge …
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The von Neumann Minimax Theorem and its relatives and a study of externality in on-line auctions
… advertisements networ.k and shows that it is a small-world scale-free network.
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The identification and bibliographic control of publications by African-American women writers in New Jersey
… and social gatherings. This study used the ""small world"" method to analyze the characteristics of this predominantly African American community's social networks that provided links to the writers. The characteristics of the authors are also described. The assessment of bibliographic control …
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Stability and Control in Complex Networks of Dynamical Systems
… completely random (Erdös-Rényi) or semi-random (Small-World) topologies. The former model is often used due to mathematical tractability while the latter has been shown to be a better model for most real life networks. The recent emergence of cyber physical systems, and in particular the smart …
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