Ari archie Korhonen Senior Scientist, D.Sc. (Tech), Adjunct Professor (University of Turku) Aalto University School of Science Department of Computer Science and Engineering (ex Department of Computer Science and Engineering in Faculty of Information and Natural Sciences (ex Laboratory of Software Technology in Helsinki University of Technology)

Contact information Computer Science and Engineering (Building) at Otaniemi Campus, Room B227 Visiting address: Konemiehentie 2, Espoo, Finland Mail address: PO Box 15400, FI-00076 AALTO, Finland Email: ari.korhonen@aalto.fi Tel.int: +358 9 470 23387 (work) Telefax: +358 9 470 23293 (work) Tel.int: +358 44 519 6948 (mobile)

Work

My research focus on data structures and algorithms in software visualization. Especially various applications of computer aided learning environments in computer science education. My current work is concerned with software tools and principles in the area of automatic assessment systems. I also act as an instructor and teacher for several courses.

Teaching

• T-106.1220 Tietorakenteet ja algoritmit T (5 op) (III-IV)
• T-106.1223 Tietorakenteet ja algoritmit Y (5 op) (III-IV)
• T-106.1225 Tietorakenteiden ja algoritmien harjoitustyö (1-5 op) (III-IV)
• T-106.1227 Data Structures and Algorithms (5 cr) (III-IV)
• T-106.5700 Project in Software Techniques V (Ohjelmistotekniikan projekti)
• T-106.5800 Seminar on Software Technology P V (Ohjelmistotekniikan seminaari)

• In room B227 (Department of Computer Science and Engineering, CS Building, Konemiehentie 2),
• by appointment (I prefer email <ari.korhonen@aalto.fi>).

Former courses and seminars

• T-106.5800 Seminar on Software Technology (Ohjelmistotekniikan seminaari):
  Seminar on CS Learning Environments (Tietotekniikan oppimisympäristöjen tutkimusseminaari) (5 cr/op) (spring 2008)
• T-106.850 Seminar on Software Technology (Ohjelmistotekniikan seminaari):
  • Evaluation of the Educational Impact of Visualization (autumn 2007)
  • Adaptive Learning Environments (Adaptiivisten oppimisympäristöjen työseminaari) (autumn 2006)
  • Visual Programming (Visuaalinen ohjelmointi) (spring 2006)
  • Software Visualization (Ohjelmistojen havainnollistaminen) (spring 2005)
  • Advanced Visual Interfaces (spring 2003)
• T-106.810 Special Course in Software Techniques: Automating Assessment - a Computer Science Perspective (spring 2006)
• TKO-laboratorion tutkimusseminaari (CS laboratory research seminar) (2001-2002)
• Tik-76.015 Laboratory Course of Programming
• Tik-76.123 Design and Analysis of Algorithms (autumn 1998)
• Tik-76.012/Tik-76.022/Tik-76.122/T-106.250/T-106.253 Data Structures and Algorithms T/Y

Research interests

• Software Visualization, Algorithm Animation, and Visual Algorithm Simulation
• Computer Science Education Research
• Algorithms and Data Structures

• EAGER: Dynamic Digital Text - An Innovation in STEM Education (EAGER: dynaaminen digitaalinen teksti - innovaatio luennontieteiden, teknologian ja matematiikan opetuksessa, 1.1.2013-31.12.2014
• FUN: Suomi - USA pelitutkimusverkoston hanke: Pelit oppimisympäristönä, 1.11.2012-31.10.2014
• Tietojenkäsittelytieteiden oppimisympäristöjen yhteensovittaminen ja sosiaalinen media, 1.7.2011-30.6.2014

Former projects

• Automatic Assessment and Feedback on Algorithm Simulation (AAFAS)
• TRAKLA2 environment based on the Matrix application framework
• Ohjelmoinnin perusopetuksen verkosto (Finnish Network for Teaching Basic Programming)
• Pistari - a 25 question quizz on data structures and algorithms (in Finnish)
• Matrix - Algorithm Animation and Simulation Tools and Techniques (see also MatrixPro)
Learning Environment for Algorithms and Data structures (LEAD)
• WWW-TRAKLA (quick tour and demonstration)

Other Interests and honours

• Teaching and Learning Issues (HUT CS laboratory) - (Finnish) 1999-
• Secretary of The Finnish Society for Computer Science (SuomenTietojenkäsittelytieteen Seura) 2000-2001
• Editor of Tietojenkäsittelytiede, the journal of The Finnish Society for Computer Science (Suomen Tietojenkäsittelytieteen Seura) 2002-
• Board Member of IEEE Nordic Education Society Chapter 2005-

Selected publications

• See also all publications in chronological order.
• See also my Google Scholar Citations

1. Ville Karavirta, Ari Korhonen, Lauri Malmi, and Thomas Naps: A comprehensive taxonomy of algorithm animation languages; Journal of Visual Languages & Computing, 21(1), p. 1-22, 2010.
2. Mikko-Jussi Laakso, Niko Myller, and Ari Korhonen: Comparing Learning Performance of Students Using Algorithm Visualizations Collaboratively on Different Engagement Levels; Journal of Educational Technology & Society, 12(2), pp. 267–282, 2009.
3. Ville Karavirta, Ari Korhonen, and Lauri Malmi: On the use of resubmissions in automatic assessment systems; Computer Science Education, 16(3), pp. 229–240, Taylor & Francis, UK, September 2006.
4. Mikko–Jussi Laakso, Tapio Salakoski, Linda Grandell, Xuemei Qiu, Ari Korhonen, and Lauri Malmi: Multi-Perspective Study of Novice Learners Adopting the Visual Algorithm Simulation Exercise System TRAKLA2; Informatics in Education, 4(1), pp. 49–68, Institute of Mathematics and Informatics, Lithuanian Academy of Sciences, Vilnius, 2005.
5. Lauri Malmi, Ville Karavirta, Ari Korhonen, Jussi Nikander, Otto Seppälä, Panu Silvasti: Visual Algorithm Simulation Exercise System with Automatic Assessment: TRAKLA2; Informatics in Education, 3(2), pp. 267-288, Institute of Mathematics and Informatics, Lithuanian Academy of Sciences, Vilnius, 2004.
6. Ari Korhonen: Visual Algorithm Simulation; Dissertation for the degree of Doctor of Science in Technology, Helsinki University of Technology, Department of Computer Science and Engineering, Laboratory of Information Processing Science, report TKO-A40, 2003.
7. Thomas L. Naps, Guido Rößling, Vicky Almstrum, Wanda Dann, Rudolf Fleischer, Chris Hundhausen, Ari Korhonen, Lauri Malmi, Myles McNally, Susan Rodger, J. Ángel Velázquez-Iturbide: Exploring the Role of Visualization and Engagement in Computer Science Education; SIGCSE Bulletin inroads 35(2), pp. 131-152, ACM Press, June 2003.
8. Ari Korhonen and Lauri Malmi: Matrix - Concept Animation and Algorithm Simulation System; Proceedings of the Working Conference on Advanced Visual Interfaces - AVI 2002, Trento, Italy, May 22-24, 2002.
9. Ari Korhonen, Lauri Malmi, Pertti Myllyselkä, and Patrik Scheinin: Does It Make A Difference If the Students Exercise on the Web Or in the Class Room?; Proceedings of the 7th Annual SIGCSE/SIGCUE Conference on Innovation and Technology in Computer Science Education -- ITiCSE 2002, pp. 121-124, Aarhus, Denmark, June 24-26, 2002.
10. Ari Korhonen, Erkki Sutinen, and Jorma Tarhio: Understanding Algorithms by Means of Visualized Path Testing; Software Visualization, Revised Papers of International Seminar, pp. 256-268, Dagstuhl Castle, Germany, May 2001. State-of-the-Art Survey LNCS 2269 Stephan Diehl (ed.), Springer Verlag, 2002. (abstract)

Suomeksi (In Finnish)

Katso myös seuraava suomeksi kirjoitettu artikkeli, joka kokoaa yhteen useampia tutkimusasetelmia: Ari Korhonen: Visuaalinen algoritmisimulaatio ja sen sovelluksia; Tietojenkäsittelytiede, no. 23, pp. 42-59, 2005.