Stop leaving it at 0.5: finding the threshold your classifier deserves
Your classifier hands you probabilities, and turning them into yes-or-no answers takes a cut-off. Almost every pipeline uses 0.5, because it’s the default, not be...
Publications
Peer-reviewed research on open-source collaboration, developer networks and multi-agent simulation, from my PhD at PJAIT. Citations are on Google Scholar.
Surgical teams on GitHub: Modeling performance of GitHub project development processes
O. Jarczyk, S. Jaroszewicz, A. Wierzbicki, K. Pawlak, M. Jankowski-Lorek
Information and Software Technology, vol. 100, pp. 32-46 (Elsevier), 2018
· summary on this blog
Choose a Job You Love: Predicting Choices of GitHub Developers
R. Nielek, O. Jarczyk, K. Pawlak, L. Bukowski, R. Bartusiak, A. Wierzbicki
2016 IEEE/WIC/ACM International Conference on Web Intelligence (WI), pp. 200-207, 2016
Cooperation Prediction in GitHub Developers Network with Restricted Boltzmann Machine
R. Bartusiak, T. Kajdanowicz, A. Wierzbicki, L. Bukowski, O. Jarczyk, K. Pawlak
Asian Conference on Intelligent Information and Database Systems (ACIIDS 2016), LNCS, pp. 96-107 (Springer), 2016
Looking for big money in the grey zone. Simulation of High Yield Investment Programs strategies
K. Gniadzik, G. Kowalik, O. Jarczyk, R. Nielek
Computer Science, vol. 16 (AGH University of Science and Technology Press), 2015
GitHub Projects. Quality Analysis of Open-Source Software
O. Jarczyk, B. Gruszka, S. Jaroszewicz, L. Bukowski, A. Wierzbicki
International Conference on Social Informatics (SocInfo 2014), LNCS, pp. 80-94 (Springer), 2014
· Nominated for the best paper award at SocInfo 2014
· summary on this blog
On the Effectiveness of Emergent Task Allocation of Virtual Programmer Teams
O. Jarczyk, B. Gruszka, L. Bukowski, A. Wierzbicki
2014 IEEE/WIC/ACM International Joint Conferences on Web Intelligence and Intelligent Agent Technologies (WI-IAT), 2014
What makes a good GitHub project? My talk at SocInfo 2014
In November 2014 I presented our paper GitHub Projects. Quality Analysis of Open-Source Software at SocInfo 2014 in Barcelona. It was nominated for the best paper...
Traffic jam or coast road? A music recommender that reads the drive
A song that’s perfect on an empty coast road can be unbearable in a traffic jam. Can a recommender learn that from data? Three context-aware models, 42 drivers an...
Surgical teams on GitHub: was Fred Brooks right all along?
In 1975, Fred Brooks argued that software teams should work like an operating room: one surgeon does the cutting, and everyone else makes the surgeon faster. Four...