UMD Theses and Dissertations

Permanent URI for this collectionhttp://hdl.handle.net/1903/3

New submissions to the thesis/dissertation collections are added automatically as they are received from the Graduate School. Currently, the Graduate School deposits all theses and dissertations from a given semester after the official graduation date. This means that there may be up to a 4 month delay in the appearance of a given thesis/dissertation in DRUM.

More information is available at Theses and Dissertations at University of Maryland Libraries.

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Author: search.filters.author.Montezzo Coelho, Maria EduardaSubject: search.filters.subject.Civil engineering

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    EVENT-DRIVEN OPERATION OF DISTRIBUTED SYSTEMS WITH ARTIFICIAL INTELLIGENCE TECHNOLOGIES AND BEHAVIOR MODELING
    (2022) Montezzo Coelho, Maria Eduarda; Austin, Mark A; Civil Engineering; Digital Repository at the University of Maryland; University of Maryland (College Park, Md.)
    This dissertation aims to enhance decision making in urban settings by integrating artificial intelligence technologies with distributed behavior modeling. Today’s civil engineering systems are far more heterogeneous than their predecessors and may be connected to other types of systems in completely new ways, making the task of system design, analysis and integration of multi-disciplinary concerns much more difficult than in the past. These challenges can be addressed by combining machine learning formalisms and semantic model representations of urban systems, that work side-by-side in collecting data, identifying events, and managing city operations in real-time. We exercise the proposed approach on a problem involving anomaly detection in an urbanwater distribution system and a metrorail system.
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    Distributed System Behavior Modeling of Urban Systems with Ontologies, Rules and Message Passing Mechanisms
    (2017) Montezzo Coelho, Maria Eduarda; Austin, Mark A; Civil Engineering; Digital Repository at the University of Maryland; University of Maryland (College Park, Md.)
    Modern infrastructures are defined by spatially distributed network structures, concurrent subsystem-level behaviors, distributed control and decision making, and interdependencies among subsystems that are not always well understood. This work presents a model of system-level interactions that simulates distributed system behaviors through the use of ontologies, rules checking, and message passing mechanisms. We take initial steps toward the behavior modeling of large-scale urban networks as collections of networks that interact via many-to-many association relationships. We conclude with ideas for scaling up the simulations with mediators assembled from Apache Camel technology.