A Review of Student Churn in the Light of Theories on Business Relationships. - Jaan Ubi; Innar Liiv (EDM, 2010)

General Managers Role in Balancing Subsidiary Between Internal Competition and Knowledge Sharing - Jaan Ubi (CoRR, 2012)

Data mining the MNC like internal co-opetition duality in a university context - Jaan Ubi; Innar Liiv; Evald Ubi; Leo Vohandu (CoRR, 2012)

Predicting Student Retention by Linear Programming Discriminant Analysis. - Jaan Ubi; Evald Ubi; Innar Liiv; Kristina Murtazin (Int. J. Technol. Educ. Mark., 2014)

Building Payment Classification Models from Rules and Crowdsourced Labels: A Case Study. - Artem Mateush; Rajesh Sharma 002; Marlon Dumas; Veronika Plotnikova; Ivan Slobozhan; Jaan Übi (CAiSE Workshops, 2018)

Tale of Three States: Analysis of Large Person-to-Person Online Financial Transactions in Three Baltic Countries. - Rajesh Sharma 002; Artem Mateush; Jaan Übi (IEEE BigData, 2019)

A version of the simplex method for solving linear systems of inequalities and linear programming problems. - Jaan Übi; Evald Übi (CoRR, 2023)