I am a computational social scientist specializing in network methods. My dissertation is on corruption and collusion in public procurement markets. I also study how phenomena like novelty and bias manifest on the internet.
4/11/2018 - Paper accepted to HCOMP!
3/27/2018 - Paper accepted at WebSci - see you in Amsterdam!
Feb-May 2018 - Visiting the Oxford Internet Institute and Taha Yasseri.
12/12/2017 - Talk at Hungarian Academy of Sciences (MTA) RECENS group.
And Now for Something Completely Different: Visual Novelty in an Online Network of Designers
Johannes Wachs, Balint Daroczy, Ancsa Hannak, Katinka Pall, Christoph Riedl
Proceedings of the 10th ACM Conference on Web Science (WebSci'18), Amsterdam, May, 2018.
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.
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.
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
MS Applied Mathematics, Central European University (2012)
BS Mathematics, BS Economics, Tulane University (2009)
johanneswachs at gmail dot com