Johannes Wachs

PhD Student of János Kertész
Central European University
Center for Network Science

About Me

I am a computational social scientist specializing in network methods. My dissertation is on corruption and collusion in public procurement markets. I am also interested in the use digital data to better understand concepts like novelty, bias, and success.
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News

July 2018 - Attending the Enrico Fermi School on Computational Social Science and Complex Systems in Varenna.
May 29, 2018 - Presenting our paper on novelty in digital design at WebSci.
May 25, 2018 - Talk at the MTA Agglomeration and Social Networks research seminar.
Feb-May 2018 - Visit to the Oxford Internet Institute, hosted by Taha Yasseri.

papers

The Role of Novelty in Securing Investors for Equity Crowdfunding Campaigns

Emőke-Ágnes Horvát, Johannes Wachs, Rong Wang, Aniko Hannak
AAAI Conference on Human Computation and Crowdsourcing (HCOMP'18), Zurich, Switzerland, 2018
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And Now for Something Completely Different: Visual Novelty in an Online Network of Designers

Johannes Wachs, Balint Daroczy, Aniko Hannak, Katinka Pall, Christoph Riedl
Proceedings of the 10th ACM Conference on Web Science (WebSci'18), Amsterdam, May, 2018.
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Corruption, government turnover, and public contracting market structure – Insights using network analysis and objective corruption proxies

Mihály Fazekas, Jiří Skuhrovec, Johannes Wachs
Government Transparency Institute Working Paper GTI-WP/2017:02, September 2017.
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Why Do Men Get More Attention? Exploring Factors Behind Success in an Online Design Community

Johannes Wachs, Aniko Hannak, Andras Voros, Balint Daroczy
Proceedings of the 11th International AAAI Conference on Weblogs and Social Media (ICWSM'17), Montreal, May, 2017.
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Teaching

Using Big Data for social science research, teaching assistant, CEU Spring 2017
Data Mining, course instructor, AIT Fall 2016
Scientific Python, teaching assistant, CEU Fall 2016, 2017

Education

MS Applied Mathematics, Central European University (2012)
BS Mathematics, BS Economics, Tulane University (2009)

Contact

johanneswachs at gmail dot com