Ticket Tagger: Machine Learning Driven Issue Classification. - Rafael Kallis; Andrea Di Sorbo; Gerardo Canfora; Sebastiano Panichella (ICSME, 2019)

Predicting issue types on GitHub. - Rafael Kallis; Andrea Di Sorbo; Gerardo Canfora; Sebastiano Panichella (Sci. Comput. Program., 2021)

NLBSE'22 Tool Competition. - Rafael Kallis; Oscar Chaparro; Andrea Di Sorbo; Sebastiano Panichella (NLBSE, 2022)

The NLBSE'23 Tool Competition. - Rafael Kallis; Maliheh Izadi; Luca Pascarella; Oscar Chaparro; Pooja Rani 001 (NLBSE@ICSE, 2023)

The NLBSE'24 Tool Competition. - Rafael Kallis; Giuseppe Colavito; Ali Al-Kaswan; Luca Pascarella; Oscar Chaparro; Pooja Rani 001 (NLBSE@ICSE, 2024)