A Unified Management And Processing Of Word-Forms, Idioms And Analytical Compounds. - Dan Tufts; Octav Popescu (EACL, 1991)

Pilot-Testing a Tutorial Dialogue System That Supports Self-Explanation. - Vincent Aleven; Octav Popescu; Kenneth R. Koedinger (Intelligent Tutoring Systems, 2002)

Understanding Students' Explanations in Geometry Tutoring. - Octav Popescu; Vincent Aleven; Kenneth R. Koedinger (COLING, 2004)

Evaluating the Effectiveness of a Tutorial Dialogue System for Self-Explanation. - Vincent Aleven; Amy Ogan; Octav Popescu; Cristen Torrey; Kenneth R. Koedinger (Intelligent Tutoring Systems, 2004)

Pictorial illustrations in intelligent tutoring systems: do they distract or elicit interest and engagement? - Ulrike Magner; Rolf Schwonke; Alexander Renkl; Vincent Aleven; Octav Popescu (ICLS (1), 2010)

The Beginning of a Beautiful Friendship? Intelligent Tutoring Systems and MOOCs. - Vincent Aleven; Jonathan Sewall; Octav Popescu; Franceska Xhakaj; Dhruv Chand; Ryan Shaun Joazeiro de Baker; Yuan Elle Wang; George Siemens; Carolyn P. Rosé; Dragan Gasevic (AIED, 2015)

Embedding Intelligent Tutoring Systems in MOOCs and e-Learning Platforms. - Vincent Aleven; Jonathan Sewall; Octav Popescu; Michael A. Ringenberg; Martin Van Velsen; Sandra Demi (ITS, 2016)

Bringing Non-programmer Authoring of Intelligent Tutors to MOOCs. - Vincent Aleven; Ryan S. Baker 001; Yuan Wang; Jonathan Sewall; Octav Popescu (L@S, 2016)

Example-Tracing Tutors: Intelligent Tutor Development for Non-programmers. - Vincent Aleven; Bruce M. McLaren; Jonathan Sewall; Martin Van Velsen; Octav Popescu; Sandra Demi; Michael A. Ringenberg; Kenneth R. Koedinger (Int. J. Artif. Intell. Educ., 2016)

An Adaptive Coach for Invention Activities. - Vincent Aleven; Helena Connolly; Octav Popescu; Jenna Marks; Marianna Lamnina; Catherine C. Chase (AIED, 2017)

Opening Up an Intelligent Tutoring System Development Environment for Extensible Student Modeling. - Kenneth Holstein; Zac Yu; Jonathan Sewall; Octav Popescu; Bruce M. McLaren; Vincent Aleven (AIED (1), 2018)

An Integrated Platform for Studying Learning with Intelligent Tutoring Systems: CTAT+TutorShop. - Vincent Aleven; Conrad Borchers; Yun Huang 002; Tomohiro Nagashima; Bruce M. McLaren; Paulo Carvalho 004; Octav Popescu; Jonathan Sewall; Kenneth R. Koedinger (CoRR, 2025)