An analysis of community structure detection for educational coopetitionÜbi, Jaan; Liiv, Innar; Übi, Evald; Võhandu, Leo2013 Second International Conference on e-Learning and e-Technologies in Education (ICEEE 2013) : proceedings of a meeting held 23-25 September 2013, Lodz, Poland2013 / p. 104-109 : ill

Kunstliku baasi meetodi uus versioon lineaarses planeerimisesÜbi, Evald; Übi, JaanAastaraamat 2013-2016 / Eesti Matemaatika Selts2017 / lk. 12-24 https://dea.digar.ee/cgi-bin/dea?a=is&oid=JVarmteestimatemaatika201707&type=staticpdf http://www.ester.ee/record=b1226018*est

Külalisteadlasena USA ülikoolisÜbi, JaanA & A2011 / lk. 5-8 https://artiklid.elnet.ee/record=b2472207*est

Methods for coopetition and retention analysis : an application to university management = Koopetitsiooni ja väljalangevuse uurimise meetodid : rakendus ülikooli juhtimisesÜbi, Jaan2014 https://www.ester.ee/record=b3090746*est

Predicting student retention by comparing histograms of bootstrapping for Charnes-Cooper transformation-linear programming discriminant analysisÜbi, Jaan; Übi, Evald; Liiv, Innar; Võhandu, Leo2013 Second International Conference on e-Learning and e-Technologies in Education (ICEEE 2013) : proceedings of a meeting held 23-25 September 2013, Lodz, Poland2013 / p. 110-114 : ill

Predicting student retention by linear programming discriminant analysisÜbi, Jaan; Übi, Evald; Liiv, Innar; Murtazin, KristinaInternational journal of technology and educational marketing2014 / p. 43-53 : ill

Predicting student retention in TTU by using linear programming in data miningÜbi, Jaan; Übi, Evald17th International conference on "Mathematical Modelling and Analysis" : June 6-9, 2012, Tallinn, Estonia : abstracts2012 / p. 140

Solving linear programming problems via weighted least-squares methodÜbi, Evald; Übi, JaanIJRDO - Journal of mathematics2017 / p. 13-21 https://ijrdo.org/index.php/m/article/view/1563/1473

Solving nonlinear stochastic programming problemsÜbi, Evald; Übi, Jaan5th International Conference on Optimal Research "Simulation and Optimization in Business and Industry" : May 17-20, 2006, Tallinn, Estonia : programme and abstracts2006 / p. 50

Theorems of alternative and feasibility/infeasibility in mathematical programmingÜbi, Evald; Übi, JaanAsian journal of mathematics and computer research2016 / p. 233-242

Uue põlvkonna vahendid programmeerimise õppimiseksAllik, Kaarel; Amitan, Irina; Antoi, Kersti; Übi, Jaan; Vilipõld, JüriA & A2011 / 1, lk. 41-49 : ill

A version of the simplex method for solving linear systems of inequalities and linear programming problemsÜbi, Jaan; Übi, EvaldarXiv.org2023 / 9 p https://doi.org/10.48550/arXiv.2305.03730

Visual matrix explorer for collaborative seriationLiiv, Innar; Öpik, Rain; Übi, Jaan; Stasko, JohnWiley interdisciplinary reviews : computational statistics2012 / p. 85-97 https://www.deepdyve.com/lp/wiley/visual-matrix-explorer-for-collaborative-seriation-Mc5ryKrGod