The Usefulness of Twitter for Open Source Developers as A Feedback Tool for The Success of Their Projects. - Ivor Van Der Schalk; Zaki Abdurrahman Koesoemahardja; Slinger Jansen (IWSECO@ICIS, 2016)

Sign-Lingo - Feasibility of a Serious Game for Involving Parents in the Language Development of Their Deaf or Hearing Impaired Child. - Ivor Van Der Schalk; Marco R. Spruit (HEALTHINF, 2017)

Pinpointing Ambiguity and Incompleteness in Requirements Engineering via Information Visualization and NLP. - Fabiano Dalpiaz; Ivor Van Der Schalk; Garm Lucassen (REFSQ, 2018)

Detecting terminological ambiguity in user stories: Tool and experimentation. - Fabiano Dalpiaz; Ivor Van Der Schalk; Sjaak Brinkkemper; Fatma Basak Aydemir; Garm Lucassen (Inf. Softw. Technol., 2019)

REVV-Light tool: Ambiguity and Incompleteness in User Story Requirements. - Fabiano Dalpiaz; Ivor Van Der Schalk (Zenodo, 2019)