Library and Information Science Commons^™

Quantifying Language Changes Surrounding Mental Health On Twitter, Anne Marie Stupinski

Graduate College Dissertations and Theses

Mental health challenges are thought to afflict around 10% of the global population each year, with many going untreated due to stigma and limited access to services. Here, we explore trends in words and phrases related to mental health through a collection of 1- , 2-, and 3-grams parsed from a data stream of roughly 10% of all English tweets since 2012. We examine temporal dynamics of mental health language, finding that the popularity of the phrase ‘mental health’ increased by nearly two orders of magnitude between 2012 and 2018. We observe that mentions of ‘mental health’ spike annually and …

Examining The Notion Of The Boundary Object In Information Systems: The Transdisciplinary Oeuvre Of Cognitive Science, Laura Elien Ridenour

Theses and Dissertations

This study examined the transdisciplinary area of cognitive science, and was framed around the sociological notion of the boundary object. Harmonizing theoretical and technical approaches, methods introduced in this work moved beyond qualitative study practices traditional to boundary object theory work to a mixed-methods data-driven approach. Bibliometric Web of Science data, enriched with National Science Foundation (NSF) journal classifications, formed the foundation from which a seed-and-expand dataset were created from journals containing the string cogni* and their cited articles for the years 2006-2016. This two-tiered dataset allowed for the analysis of boundary-spanning interdisciplinary concepts, as identified by noun phrases, and …

Bioont : Improving Knowledge Organization And Representation In The Domain Of Biometric Authentication, Stephen Bryan Buerle

Legacy Theses & Dissertations (2009 - 2024)

This dissertation explores some of the fundamental challenges facing the information assurance community as it relates to knowledge categorization, organization and representation within the field of information security and more specifically within the domain of biometric authentication. A primary objective of this research is the development of a biometric authentication corpus and an empirically derived ontological prototype, which aids and promotes further research into the fundamental ontological structure of the field of biometric authentication. In doing so this research explores the use of automated and semi-supervised ontological engineering, corpus analysis and natural language processes techniques in the development of this …

Using Ontology-Based Approaches To Representing Speech Transcripts For Automated Speech Scoring, Miao Chen

School of Information Studies - Dissertations

Text representation is a process of transforming text into some formats that computer systems can use for subsequent information-related tasks such as text classification. Representing text faces two main challenges: meaningfulness of representation and unknown terms. Research has shown evidence that these challenges can be resolved by using the rich semantics in ontologies. This study aims to address these challenges by using ontology-based representation and unknown term reasoning approaches in the context of content scoring of speech, which is a less explored area compared to some common ones such as categorizing text corpus (e.g. 20 newsgroups and Reuters).

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