Dejene Ejigu Dedefa

Full Name Dejene Ejigu Dedefa
Education attended
  • Ph.D. Degree in Computer Science from French Engineering University in Lyon (INSA de Lyon), France, December 2007.
  • Professional Certificate in Computer Technology, Kyoto School of Computer Science, Kyoto, Japan, 1997.
  • M. Sc. Degree in Computer Science, University of Wales, UK, 1989.
  • B. Sc. (Distinction) Degree in Statistics, Addis Ababa University, Ethiopia, 1986.
Academic Rank Asst. Professor
Working for AAU Since 1997
Administrative positions held
  • Director of IT Doctoral Program, AAU, August 2008 – present
  • Coordinator, French Cooperation FSP Project, August 2008 – present
  • Assistant Dean, Faculty of Science, AAU, 1999-2001


Memberships of international bodies/journals__

Editorial roles/initiatives etc

  • Awarded Canada-Africa Research Exchange Grant (CAREG 2014) to be executed at Queens University, Canada and Addis Ababa University, Ethiopia, 2013.
  • Member of organizing committee and host of ACM International Conference on Management of Emergent Digital Eco System (MEDES’12) in Addis Ababa, October 28-31, 2012. Awarded French government scholarship to study for a PhD degree, 2003.
  • Awarded UNDP scholarship to study for M.Sc. degree, 1987.
  • Recognition Certificate from the Ethiopian Science and Technology Commission for the outstanding work and successful completion of a research project on the development of computational tools to use Ethiopian languages with their unique alphabets for the first time in the country, 1997.
Address Campus: FBE

Eshetu Chole Building, 2nd Floor, Room no. 219

Office tel.: 0111 229185

Mobile: +0911982031

University email ID:

Alternative email ID:


Research interest Context-aware pervasive systems and services, wireless and mobile networking, mobile Computing and relevant security issues.
Publications in reputable journals
  • Tibebe Beshah, Dejene Ejigu, Ajith Abraham, Vaclav Snasel, Pavel Kromer: “Mining Pattern from Road Accident Data: Role of Road User’s Behaviour and Implications for improving road safety” International Journal of Tomography & Simulation, CESER Publishers, Volume 22 Issue Number 1, 2013.
  • EyobYirdaw, Dejene Ejigu: Topic Based Text Summarization with Probabilistic Latent Semantic Analysis, in the proceedings of the 4th International ACM Conference on Management of Emerengent Digital Ecosystem (MEDES’12), October 28-31, 2012, Addis Ababa, Ethiopia.
  • Tibebe Beshah, Ajith Abraham, Dejene Ejigu, Vaclav Snasel and Pavel Kromer: “Knowledge Discovery from Road Traffic Accident Data in Ethiopia: Data Quality, Ensembling and Trend Analysis for Improving Road Safety” Neural network world: International Journal on non-standard computing and Artificial Intelligence, Vol.22 Issue No. 3, pp. 215-244, 2012
  • Alemitu Mequanint, Dejene Ejigu: Context Aware Pervasive Healthcare System for HIV/AIDS Patients (CAPHS), IST-Africa 2012 Conference Proceedings, IIMC International Information Management Corporation, ISBN: 978-1-905824-34-2, 2012.
  • Berhanu Borena, France Belanger, Dejene Ejigu: Social Networks and Information Privacy: A Model for Low-income Countries, in the proceedings of the 19th American Conference on Information Systems (AMCIS 2013), August 15-17, 2013, Chicago, USA (in press –