- 1998 - 2002: Degree in Informatics, Dept. School of Informatics, School of Sciences, Aristotle University of Thessaloniki
- 2002 - 2008: Doctoral Degree on: "Prediction and Evaluation in Software Technology with Data Analysis Methods", Dept. School of Informatics, School of Sciences, Aristotle University of Thessaloniki
- Estimation of cost, effort, software productivity. Machine learning methods, empirical methods, estimation in development phases, estimation of software adoption costs in modern platforms. Software cost assignment models on modern platforms. Cost allocation models for the adoption of open source software, software on cloud infrastructure, software on collaborative platforms.
- Improving the software development process. Iterative development process, Bayes Networks for development parameter estimation, ontologies, software management templates.
- Quality and software reuse indicators.
- Assessment of reusability based on the type of application, models and indicators of reuse and quality.
- Free Software / Open Source Software (ELLAK). Assessment of maintenance parameters, reuse of open source software, quality assessment.
- A. Ampatzoglou, S. Bibi, P. Avgeriou, M. Verbeek, A. Chatzigeorgiou: Identifying, categorizing and mitigating threats to validity in software engineering secondary studies. Information & Software Technology 106: 201-230, 2019
- E. Papatheocharous, S. Bibi, I. Stamelos, A. S. Andreou, “An investigation of effort distribution among development phases: A four‐stage progressive software cost estimation model”, Journal of Software: Evolution and Process, Vol. 29(10), 2017.
- M.E. Paschali, A. Ampatzoglou, S. Bibi, A. Chatzigeorgiou, I. Stamelos, “Reusability of open source software across domains: A case study”, Journal of Systems and Software, Elsevier, Vol. 134, pp. 211-227, 2017.
- S. Bibi, D. Katsaros, P. Bozanis, “Business application acquisition: On-premise or SaaS-based solutions?”, IEEE software, Vol. 29(3), pp. 86-93, 2012.
- S. Bibi, D. Katsaros, P. Bozanis, G. Tsoumakas, I. Stamelos, I. Vlahavas, “Regression via Classification applied on Software Defect Estimation”, Experts Systems with Applications, Elsevier, Vol.34, No.3, pp.2091-2101, 2008