Search Results - subject:"Topic Model"

Environmentalism among poor and rich countries : using natural language processing to handle perfunctory support and rising powers

Johnson, Tana; Lerner, Joshua Y. - In: Review of international political economy 30 (2023) 1, pp. 127-152

Persistent link: https://www.econbiz.de/10014226478

What is the public really concerned about the AV crash? : insights from a combined analysis of social media and questionnaire survey

Jing, Peng; Wang, Baihui; Cai, Yunhao; Wang, Bichen; … - In: Technological forecasting & social change : an … 189 (2023), pp. 1-18

Persistent link: https://www.econbiz.de/10014266149

Does topic consistency matter? : a study of critic and user reviews in the movie industry

Kim, Eunsoo; Ding, MengQi; Wang, Xin; Lu, Shijie - In: Journal of marketing 87 (2023) 3, pp. 428-450

Persistent link: https://www.econbiz.de/10014245142

Measuring uncertainty at the regional level using newspaper text

Rauh, Christopher - 2019

Persistent link: https://www.econbiz.de/10012103313

Media-expressed tone, Option Characteristics, and Stock Return Predictability

Chen, Cathy Yi-Hsuan; Fengler, Matthias R.; Härdle, … - 2019

We distill tone from a huge assortment of NASDAQ articles to examine the predictive power of media-expressed tone in single-stock option markets and equity markets. We find that (1) option markets are impacted by media tone; (2) option variables predict stock returns along with tone; (3) option...

Persistent link: https://www.econbiz.de/10012433229

Media-expressed tone, option characteristics, and stock return predictability

Chen, Yi-Hsuan; Fengler, Matthias; Härdle, Wolfgang; … - In: Journal of economic dynamics & control 134 (2022), pp. 1-22

Persistent link: https://www.econbiz.de/10013384809

The impact of COVID-19 on hotel customer satisfaction : evidence from Beijing and Shanghai in China

Sun, Shaolong; Jiang, Fuxin; Feng, Gengzhong; Wang, Shouyang - In: International journal of contemporary hospitality management 34 (2022) 1, pp. 382-406

Persistent link: https://www.econbiz.de/10012798197

Discovering emerging threats in the hacker community : a nonparametric emerging topic detection framework

Li, Weifeng; Chen, Hsinchun - 2022

Persistent link: https://www.econbiz.de/10013556703

Tracing the evolution of 3-D printing technology in China using LDA-based patent abstract mining

Wei, Chen; Chaoran, Lin; Chuanyun, Li; Lingkai, Kong; … - In: IEEE transactions on engineering management : EM 69 (2022) 4, pp. 1135-1145

Persistent link: https://www.econbiz.de/10013354968

Assessing technology legitimacy with topic models and sentiment analysis : the case of wind power in Germany

Dehler-Holland, Joris; Okoh, Marvin; Keles, Dogan - In: Technological forecasting & social change : an … 175 (2022), pp. 1-21

Persistent link: https://www.econbiz.de/10013332779