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Data Mining Techniques To Understand Textual Data, Wubai Zhou
Data Mining Techniques To Understand Textual Data, Wubai Zhou
FIU Electronic Theses and Dissertations
More than ever, information delivery online and storage heavily rely on text. Billions of texts are produced every day in the form of documents, news, logs, search queries, ad keywords, tags, tweets, messenger conversations, social network posts, etc. Text understanding is a fundamental and essential task involving broad research topics, and contributes to many applications in the areas text summarization, search engine, recommendation systems, online advertising, conversational bot and so on. However, understanding text for computers is never a trivial task, especially for noisy and ambiguous text such as logs, search queries. This dissertation mainly focuses on textual understanding tasks …
Structural Surface Mapping For Shape Analysis, Muhammad Razib
Structural Surface Mapping For Shape Analysis, Muhammad Razib
FIU Electronic Theses and Dissertations
Natural surfaces are usually associated with feature graphs, such as the cortical surface with anatomical atlas structure. Such a feature graph subdivides the whole surface into meaningful sub-regions. Existing brain mapping and registration methods did not integrate anatomical atlas structures. As a result, with existing brain mappings, it is difficult to visualize and compare the atlas structures. And also existing brain registration methods can not guarantee the best possible alignment of the cortical regions which can help computing more accurate shape similarity metrics for neurodegenerative disease analysis, e.g., Alzheimer’s disease (AD) classification. Also, not much attention has been paid to …
Efficient Mission Planning For Robot Networks In Communication Constrained Environments, Md Mahbubur Rahman
Efficient Mission Planning For Robot Networks In Communication Constrained Environments, Md Mahbubur Rahman
FIU Electronic Theses and Dissertations
Many robotic systems are remotely operated nowadays that require uninterrupted connection and safe mission planning. Such systems are commonly found in military drones, search and rescue operations, mining robotics, agriculture, and environmental monitoring. Different robotic systems may employ disparate communication modalities such as radio network, visible light communication, satellite, infrared, Wi-Fi. However, in an autonomous mission where the robots are expected to be interconnected, communication constrained environment frequently arises due to the out of range problem or unavailability of the signal. Furthermore, several automated projects (building construction, assembly line) do not guarantee uninterrupted communication, and a safe project plan is …
Analysis Of Eye-Tracking Data In Visualization And Data Space, Sayeed Safayet Alam
Analysis Of Eye-Tracking Data In Visualization And Data Space, Sayeed Safayet Alam
FIU Electronic Theses and Dissertations
Eye-tracking devices can tell us where on the screen a person is looking. Researchers frequently analyze eye-tracking data manually, by examining every frame of a visual stimulus used in an eye-tracking experiment so as to match 2D screen-coordinates provided by the eye-tracker to related objects and content within the stimulus. Such task requires significant manual effort and is not feasible for analyzing data collected from many users, long experimental sessions, and heavily interactive and dynamic visual stimuli. In this dissertation, we present a novel analysis method. We would instrument visualizations that have open source code, and leverage real-time information about …
Improving Discovery And Patron Experience Through Data Mining, Boyuan Guan, Jamie Rogers
Improving Discovery And Patron Experience Through Data Mining, Boyuan Guan, Jamie Rogers
Works of the FIU Libraries
As information professionals, we know simple database searches are imperfect. With rich and expansive digital collections, patrons may not find content that is buried in a long list of results. So, how do we improve discovery of pertinent materials and offer serendipitous experience? Following the example of recommendation functionality in online applications like Netflix, we have developed a recommendation function for our digital library system that provides relevant content beyond the narrow scope of patrons' original search parameters. This session will outline the reasoning, methodology, and design of the recommendation system as well as preliminary results from implementation.
Customized Interfaces For Modern Storage Devices, Leonardo Marmol
Customized Interfaces For Modern Storage Devices, Leonardo Marmol
FIU Electronic Theses and Dissertations
In the past decade, we have seen two major evolutions on storage technologies: flash storage and non-volatile memory. These storage technologies are both vastly different in their properties and implementations than the disk-based storage devices that current soft- ware stacks and applications have been built for and optimized over several decades. The second major trend that the industry has been witnessing is new classes of applications that are moving away from the conventional ACID (SQL) database access to storage. The resulting new class of NoSQL and in-memory storage applications consume storage using entirely new application programmer interfaces than their predecessors. …
Tunable, Room Temperature Thz Emitters Based On Nonlinear Photonics, Raju Sinha
Tunable, Room Temperature Thz Emitters Based On Nonlinear Photonics, Raju Sinha
FIU Electronic Theses and Dissertations
The Terahertz (1012 Hz) region of the electromagnetic spectrum covers the frequency range from roughly 300 GHz to 10 THz, which is in between the microwave and infrared regimes. The increasing interest in the development of ultra-compact, tunable room temperature Terahertz (THz) emitters with wide-range tunability has stimulated in-depth studies of different mechanisms of THz generation in the past decade due to its various potential applications such as biomedical diagnosis, security screening, chemical identification, life sciences and very high speed wireless communication. Despite the tremendous research and development efforts, all the available state-of-the-art THz emitters suffer from either being …
Oblivious Network Optimization And Security Modeling In Sustainable Smart Grids And Cities, Kianoosh G. Boroojeni
Oblivious Network Optimization And Security Modeling In Sustainable Smart Grids And Cities, Kianoosh G. Boroojeni
FIU Electronic Theses and Dissertations
Today's interconnected world requires an inexpensive, fast, and reliable way of transferring information. There exists an increasingly important need for intelligent and adaptable routing of network flows. In the last few years, many researchers have worked toward developing versatile solutions to the problem of routing network flows in unpredictable circumstances. These attempts have evolved into a rich literature in the area of "oblivious network design" which typically route the network flows via a routing scheme that makes use of a spanning tree or a set of trees of the graph representation of the network.
In the first chapter, we provide …