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 10 of 10 for “"Topic analysis"”.
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Understanding dialogue: sentiment and topic analysis of dialogue transcripts
… has had success in analyzing sentiment and topics on written text, but similar analysis on dialogue is more difficult due to the fragmented and informal nature of speech. This work explores sentiment and topic analysis on data from the Switchboard dialogue corpus, as well as a dataset of …
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Joint-stochastic Spectral Inference for Robust Co-occurrence Modeling and Latent Topic Analysis
… non-linear dimensionality reduction or latent topic analysis. Spectral approaches reduce the dependence on the original training examples and produce substantial gain in efficiency, but at costs: a) The algorithms perform poorly on real data that does not necessarily follow underlying models; …
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Contextual text mining
… of the authors. Many applications require analysis of topic patterns over different contexts. For instance, analysis of search logs in the context of the user can reveal how we can improve the quality of a search engine by optimizing the search results according to particular users; …
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Goede Nacht: Images of the Night in Seventeenth-Century Dutch Visual Culture
… attention. To better understand this complex topic, analysis focuses on the most frequently represented subject matter in Dutch nocturnal imagery—religious scenes, urban fires, labor and leisure—and contextualizes the meanings and functions of the remarkable pictures within relevant …
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The Use of Evidence in Young Adolescents' Argumentation
… during an assessment of their argumentation on topics not part of the intervention. One assessment was dialogic, the other an individual argumentive essay. In addition, intervention dialogs of the experimental group were studied at the beginning and end of the second year, to assess change. Both …
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Describing Trail Cultures through Studying Trail Stakeholders and Analyzing their Tweets
… collection of tweets (over 1.5 million). We used topic modeling to identify the topics described by the communities of Triple Crown trails. We labeled training data for a classifier that identifies tweets relating to depreciative behaviors on the trail. Then, we compared the distribution of tweets …
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LDA based approach for predicting friendship links in live journal social network
… friendship link prediction problem and study a topic modeling approach to this problem. Topic models are among the most effective approaches to latent topic analysis and mining of text data. In particular, Probabilistic Topic models are based upon the idea that documents can be seen as mixtures …
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Characterising user engagement of parents with the Aurora chatbot
… to delineate user engagement patterns, identify topics discussed, highlight topics outside the chatbot's knowledge domain, and assess the dynamics and quality of the conversations. The methodology used to achieve this objective encompassed text pre-processing, engagement metric extraction, topic …
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The Past and Present of Maldivian Coral Reefs
… 590 studies published between 1832 and 2022. A topic analysis of two centuries of change in research interests reflected changing relations between people and planet, from early studies focused on discovery and description to exploitation and impact in the early to late-20th century, and then …
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Stand-up Comedy Visualized
… act. It is easy to see commonalities in the topics addressed in comedians’ work such as relationships, race and politics.This project provides an interactive and illustrative view into comedians and a topical analysis of stand-up comedy performances which can be viewed <a …