1. Alonso, O., Baeza-Yates, R.: Design and implementation of relevance assessments Using Crowdsourcing. In: Clough, P., Foley, C., Gurrin, C., Jones, G., Kraaj, W., Lee, H., Mudoch, V. (eds.) Advances in Information Retrieval, pp. 153–164. Springer, Berlin (2011)
2. Baumeister, R.A., Bratlavsky, E., Finkenauer, C.: Bad is stronger than good. Rev. Gen. Psychol. 5(4), 323–370 (2001)
3. Baumgartner, F.R., Jones, B.D.: Agendas and instability in American politics. American politics and political economy series. University of Chicago Press, Chicago (1993)
4. Benikova, D., Biemann, C., Reznicek, M.: NoSta-D Named Entity Annotation for German: Guidelines and Dataset. Proceedings of Language Resources and Evaluation Conference (LREC) 2014, 26–31 May, Reykjavik, Iceland (2014)
5. Benoit, K., Conway, D., Lauderdale, B., Laver, M., Mikhaylov, S.: Crowd-sourced text analysis: Reproducible and agile production of political data. Am. Polit. Sci. Rev. 110(2), 278–295 (2016)