Search Results - subject:"Topic Models"

Unveiling the knowledge structure of technological forecasting and social change (1969–2020) through an NMF-based hierarchical topic model

Lin, Zhu; Cunningham, Scott W. - In: Technological forecasting & social change : an … 174 (2022), pp. 1-26

Persistent link: https://www.econbiz.de/10013206101

Fictional expectations and the global media in the Greek debt crisis: A topic modeling approach

Daniel, Volker; Neubert, Magnus; Orban, Agnes - 2018

We study the role of global media during the Greek debt crisis and relate it to the transmission of events on financial actors' expectations. To identify news coverage about the Greek debt crisis, we apply topic modeling to a newly compiled dataset of over 430,000 articles from The International...

Persistent link: https://www.econbiz.de/10012263131

Topic Modeling for Analyzing Open-Ended Survey Responses

Pietsch, Andra-Selina; Lessmann, Stefan - 2018

-intensive human coding. This paper focuses on unsupervised topic models and tests their ability to automate the analysis of open …-ended responses. Since state-of-the-art topic models struggle with the shortness of open-ended responses, the paper considers three … novel short text topic models: Latent Feature Latent Dirichlet Allocation, Biterm Topic Model and Word Network Topic Model …

Persistent link: https://www.econbiz.de/10012433203

Evolution of the Journal and the Field of Organization Design

Joseph, John - In: Journal of Organization Design 7 (2018) 7, pp. 1-5

This commentary reflects on how the themes in the Journal of Organization Design have evolved along with the field of organization design itself. Using topic modeling of abstracts, I assess the key topics or themes in the Journal of Organization Design and compare them to themes underlying...

Persistent link: https://www.econbiz.de/10012217693