1. Who leads? Who follows? Measuring issue attention and agenda setting by legislators and the mass public using social media data;Barberá, P.,2019
2. Hydraulic fracturing and political conflict: news media coverage of topics and themes across nine states;Berardo, R.,2020
3. Measuring citizen and government ideology in the US states: a re-appraisal;Berry, W.D.,2010
4. National media coverage of hydraulic fracturing in the United States: evaluation using human and automated coding techniques;Blair, B.,2016
5. Latent dirichlet allocation;Blei, D.M.,2003