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 106 for “"dynamic network"”.
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Airline yield management in a dynamic network environment
Thesis (Ph. D.)--Massachusetts Institute of Technology, Sloan School of Management, 1995.
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Dynamic network modeling for spaceflight logistics with time-expanded networks
This research develops a dynamic logistics network formulation for high-level lifecycle optimization of space mission sequences in order to find an optimal space transportation architecture considering its technology trades over time. The proposed methodology is inspired by terrestrial logistics …
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Life at Heart Mountain : A Dynamic Network Model of a Japanese American Community during World War II
… Studies utilizes historical big data and dynamic network analysis to study the Japanese American community of the Heart Mountain Relocation Center during their World War II incarceration. After the Japanese attack on Pearl Harbor, the United States incarcerated (interned) 120,000 people of …
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Learning Neural Network Architecture from Data: NAS and Dynamic Networks
A myriad of breakthroughs in neural network architecture has brought significant improvement on wide range of deep learning tasks. Despite the large advances brought about by network design, manually finding well-optimized network architecture is challenging given large amount of design choices. …
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Parallel implementations of dynamic traffic assignment models and algorithms for dynamic shortest path problems
This thesis aims at the development of faster Dynamic Traffic Assignment (DTA) models to meet the computational efficiency required by real world applications. A DTA model can be decomposed into several sub-models, of which the most time consuming ones are the dynamic network loading model and the …
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Capacity expansion modeling of water supply in a planning support system for urban growth management
… expansion sizing and timing simultaneously. A dynamic network optimization model and a water-distribution network analysis model can address the dynamic interdependence between water planning and land use planning. While the water-distribution network analysis model evaluates the performance of …
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Estimating network structure and propagation dynamics for an infectious disease : towards effective vaccine allocation
… good understanding of the underlying contact network and of the propagation dynamics. In this thesis we develop a parameter estimation method that learns the network structure, among a family of graphs, and disease dynamics from the recorded infection curve, assuming that the disease dynamics …
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Deployment Policies to Reliably Maintain and Maximize Expected Coverage in a Wireless Sensor Network
<p>The long-term operation of a wireless sensor network (WSN) requires the deployment of new sensors over time to restore any loss in network coverage and communication ability resulting from sensor failures. Over the course of several deployment actions it is important to consider the cost of …
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Social Structure and the Dynamics of Interfirm Ties: The Audit Services Market, 1986 to 2002
… understanding of market structure as a dynamic network process. The analytical approach taken here can be applied to similar markets for business services, and the findings speak the nature of contemporary corporate bigness and its attendant social problems.
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Raptorqp2P: Maximize The Performance Of P2P File Distribution With Raptorq Coding
… It has attracted extensive attentions from both network operators and researchers for investigating its deployment and performance. For example, recent studies have shown that under steady state, its rarest first scheme with the tit-for-tat mechanism can work very effectively and make BitTorrent …
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Algorithms for Modeling Mass Movements and their Adoption in Social Networks
Online social networks have become a staging ground for many modern movements, with the Arab Spring being the most prominent example. In an effort to understand and predict those movements, social media can be regarded as a valuable social sensor for disclosing underlying behaviors and patterns. To …
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Decentralized on-board planning and scheduling for crosslink-enabled Earth-observing constellations
… routing with discrete crosslink windows in a dynamic network is a difficult combinatorial optimization problem [30]. As problem size grows, quickly solving the planning and scheduling problem involves implementing algorithms that can leverage parallelization. Decentralized algorithms are …
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Dynamic Networks: Architectures and Algorithms
In this work, we identify a new class of networks called dynamic networks. Dynamic networks are networks consisting of highly resource constrained hosts that talk to each other primarily using wireless connectivity, and are mobile. Such networks can potentially lack the services of an established …
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The Global Spread of Islamism: An Agent-Based Computer Model
I use an agent-based model to model a dynamic network that considers the rate at which Islamism will spread globally. I define Islamism as the organized political trend that seeks to solve modern political problems by referencing Muslim teachings. The trend is also associated with Radical Islam or …
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Cognitive optical network architecture in dynamic environments
Emerging network traffic requires a more agile network management and control system to deal with the dynamic network environments than today's networks use. The bursty and large data transactions introduced by new technological applications can cause both high costs and extreme congestion in …
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Network Organization Paradigm
… continual interactions among them that shape a dynamic network. Agents may form an ad hoc organization based on the dynamic network of interactions for the purpose of achieving a long-term objective, which we termed a Network Organization (NO). Fervent and agile communication on social …
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Controlling for confounding network properties in hypothesis testing and anomaly detection
<p>An important task in network analysis is the detection of anomalous events in a network time series. These events could merely be times of interest in the network timeline or they could be examples of malicious activity or network malfunction. Hypothesis testing using network statistics to …
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Dynamics in large scale networks
… this thesis we study the properties of two large dynamic networks, the competition network of advertisers on the Google and Bing search engines and the dynamic network of friend relationships among avatars in the massively multiplayer online game (MMOG) Planetside 2. We are particularly interested …
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Neural network simplification using a progressive barrier based approach
Neural networks are indispensable to state-of-the-art artificial intelligence algorithms. However, its high accuracy comes at the cost of high computational complexity. This leads to the high operating cost of data centers and also hinders its deployment on mobile devices. In this thesis, we …
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Statistical models and inference for dynamic networks
… often best understood within the framework of networks. Network data can vary in many ways. For example, one might have binary or weighted networks, directed or undirected networks, and static or longitudinal networks. This last type of network, also called a dynamic network, is the focus of …
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