A Simulation Tool for Efficient Analogy Based Cost Estimation. - Lefteris Angelis; Ioannis Stamelos (Empir. Softw. Eng., 2000)

Multimedia Documents Storage: An Evolutionary Based Application. - Athena Vakali; Evimaria Terzi; Lefteris Angelis; Mohand-Saïd Hacid (MDDE, 2001)

Building A Software Cost Estimation Model Based On Categorical Data. - Lefteris Angelis; Ioannis Stamelos; Maurizio Morisio (IEEE METRICS, 2001)

Managing uncertainty in project portfolio cost estimation. - Ioannis Stamelos; Lefteris Angelis (Inf. Softw. Technol., 2001)

Internet based auctions: a survey on models and applications. - Athena Vakali; Lefteris Angelis; Dimitra Pournara (SIGecom Exch., 2001)

Reply to comments by M. Jorgensen, on the paper: 'A Simulation Tool for Efficient Analogy Based Cost Estimation' by L. Angelis and I. Stamelos, Published in Empirical Software Engineering. - Lefteris Angelis; Ioannis Stamelos (Empir. Softw. Eng., 2002)

Code quality analysis in open source software development. - Ioannis Stamelos; Lefteris Angelis; Apostolos Oikonomou; Georgios L. Bleris (Inf. Syst. J., 2002)

A novel simulation model for the development process of open source software projects. - Ioannis P. Antoniades; Ioannis Stamelos; Lefteris Angelis; Georgios L. Bleris (Softw. Process. Improv. Pract., 2002)

A Study on Workload Characterization for a Web Proxy Server. - George Pallis 001; Athena Vakali; Lefteris Angelis; Mohand-Said Hacid (Applied Informatics, 2003)

A Controlled Experiment Investigation on the Impact of an Instructional Tool for Personalized Learning. - Athanasis Karoulis; Ioannis Stamelos; Lefteris Angelis; Andreas S. Pombortsis (ICALT, 2003)

Estimating the development cost of custom software. - Ioannis Stamelos; Lefteris Angelis; Maurizio Morisio; Evaggelos Sakellaris; Georgios L. Bleris (Inf. Manag., 2003)

On the use of Bayesian belief networks for the prediction of software productivity. - Ioannis Stamelos; Lefteris Angelis; P. Dimou; Evaggelos Sakellaris (Inf. Softw. Technol., 2003)

A probabilistic validation algorithm for Web users' clusters. - George Pallis 001; Lefteris Angelis; Athena Vakali; Jaroslav Pokorný (SMC (5), 2004)

Evaluating the Extreme Programming System - An Empirical Study. - Panagiotis Sfetsos; Lefteris Angelis; Ioannis Stamelos; Georgios L. Bleris (XP, 2004)

Open source software development should strive for even greater code maintainability. - Ioannis Samoladas; Ioannis Stamelos; Lefteris Angelis; Apostolos Oikonomou (Commun. ACM, 2004)

Clustering classifiers for knowledge discovery from physically distributed databases. - Grigorios Tsoumakas; Lefteris Angelis; Ioannis P. Vlahavas (Data Knowl. Eng., 2004)

Experimentally assessing a resource-effective design for ODL environments. - Athanasis Karoulis; Panagiotis Sfetsos; Ioannis Stamelos; Lefteris Angelis; Andreas S. Pombortsis (Interact. Technol. Smart Educ., 2004)

A controlled experiment investigation of an object-oriented design heuristic for maintainability. - Ignatios S. Deligiannis; Ioannis Stamelos; Lefteris Angelis; Manos Roumeliotis; Martin J. Shepperd (J. Syst. Softw., 2004)

A simulated annealing approach for multimedia data placement. - Evimaria Terzi; Athena Vakali; Lefteris Angelis (J. Syst. Softw., 2004)

Functional Annotation of Genes through Statistical Analysis of Biomedical Articles. - Theodosios Theodosiou; Lefteris Angelis; Athena Vakali (DEXA Workshops, 2005)

Model-Based Cluster Analysis for Web Users Sessions. - George Pallis 001; Lefteris Angelis; Athena Vakali (ISMIS, 2005)

Survival Analysis for the Duration of Software Projects. - Panagiotis Sentas; Lefteris Angelis (IEEE METRICS, 2005)

Selective fusion of heterogeneous classifiers. - Grigorios Tsoumakas; Lefteris Angelis; Ioannis P. Vlahavas (Intell. Data Anal., 2005)

Software productivity and effort prediction with ordinal regression. - Panagiotis Sentas; Lefteris Angelis; Ioannis Stamelos; Georgios L. Bleris (Inf. Softw. Technol., 2005)

Formally assessing an instructional tool: a controlled experiment in software engineering. - Athanasis Karoulis; Ioannis Stamelos; Lefteris Angelis; Andreas S. Pombortsis (IEEE Trans. Educ., 2005)

Formal Evaluation of an Instructional ODL Tool. - Athanasis Karoulis; Ioannis Stamelos; Lefteris Angelis (ICALT, 2006)

Investigating the Impact of Personality Types on Communication and Collaboration-Viability in Pair Programming - An Empirical Study. - Panagiotis Sfetsos; Ioannis Stamelos; Lefteris Angelis; Ignatios S. Deligiannis (XP, 2006)

Investigating the extreme programming system-An empirical study. - Panagiotis Sfetsos; Lefteris Angelis; Ioannis Stamelos (Empir. Softw. Eng., 2006)

Identifying knowledge brokers that yield software engineering knowledge in OSS projects. - Sulayman K. Sowe; Ioannis Stamelos; Lefteris Angelis (Inf. Softw. Technol., 2006)

Categorical missing data imputation for software cost estimation by multinomial logistic regression. - Panagiotis Sentas; Lefteris Angelis (J. Syst. Softw., 2006)

Using Repository of Repositories (RoRs) to Study the Growth of F/OSS Projects: A Meta-Analysis Research Approach. - Sulayman K. Sowe; Lefteris Angelis; Ioannis Stamelos; Yannis Manolopoulos (OSS, 2007)

Performance and effectiveness trade-off for checkpointing in fault-tolerant distributed systems. - Panagiotis Katsaros; Lefteris Angelis; Constantine Lazos (Concurr. Comput. Pract. Exp., 2007)

An Application of Quasigroups in All-Or-Nothing Transform. - Stelios I. Marnas; Lefteris Angelis; Georgios L. Bleris (Cryptologia, 2007)

Gene functional annotation by statistical analysis of biomedical articles. - Theodosios Theodosiou; Lefteris Angelis; Athena Vakali; G. N. Thomopoulos (Int. J. Medical Informatics, 2007)

Validation and interpretation of Web users' sessions clusters. - George Pallis 001; Lefteris Angelis; Athena Vakali (Inf. Process. Manag., 2007)

Combining regression and estimation by analogy in a semi-parametric model for software cost estimation. - Nikolaos Mittas; Lefteris Angelis (ESEM, 2008)

Towards individualized software engineering: empirical studies should collect psychometrics. - Robert Feldt; Richard Torkar; Lefteris Angelis; Maria Samuelsson (CHASE, 2008)

A Prototype System for Educational Data Warehousing and Mining. - Nikolaos Dimokas; Nikolaos Mittas; Alexandros Nanopoulos; Lefteris Angelis (Panhellenic Conference on Informatics, 2008)

Comparing Software Cost Prediction Models by a Visualization Tool. - Nikolaos Mittas; Lefteris Angelis (EUROMICRO-SEAA, 2008)

PuReD-MCL: a graph-based PubMed document clustering methodology. - Theodosios Theodosiou; Nikos Darzentas; Lefteris Angelis; Christos A. Ouzounis (Bioinform., 2008)

A statistical framework for analyzing the duration of software projects. - Panagiotis Sentas; Lefteris Angelis; Ioannis Stamelos (Empir. Softw. Eng., 2008)

Experimental Evaluation of an Instructional Supporting Tool in Distance Learning. - Athanasis Karoulis; Ioannis Stamelos; Lefteris Angelis (J. Educ. Technol. Soc., 2008)

Combining probabilistic models for explanatory productivity estimation. - Stamatia Bibi; Ioannis Stamelos; Lefteris Angelis (Inf. Softw. Technol., 2008)

Improving analogy-based software cost estimation by a resampling method. - Nikolaos Mittas; Marinos Athanasiades; Lefteris Angelis (Inf. Softw. Technol., 2008)

Non-linear correlation of content and metadata information extracted from biomedical article datasets. - Theodosios Theodosiou; Lefteris Angelis; Athena Vakali (J. Biomed. Informatics, 2008)

Comparing cost prediction models by resampling techniques. - Nikolaos Mittas; Lefteris Angelis (J. Syst. Softw., 2008)

Understanding knowledge sharing activities in free/open source software projects: An empirical study. - Sulayman K. Sowe; Ioannis Stamelos; Lefteris Angelis (J. Syst. Softw., 2008)

An Empirical Study on Views of Importance of Change Impact Analysis Issues. - Per Rovegard; Lefteris Angelis; Claes Wohlin (IEEE Trans. Software Eng., 2008)

Synthetic Metrics for Evaluating Runtime Quality of Software Architectures with Complex Tradeoffs. - Anakreon Mentis; Panagiotis Katsaros; Lefteris Angelis (EUROMICRO-SEAA, 2009)

Bootstrap Prediction Intervals for a Semi-parametric Software Cost Estimation Model. - Nikolaos Mittas; Lefteris Angelis (EUROMICRO-SEAA, 2009)

Bootstrap Confidence Intervals for Regression Error Characteristic Curves Evaluating the Prediction Error of Software Cost Estimation Models. - Nikolaos Mittas; Lefteris Angelis (AIAI (Workshops), 2009)

A Controlled Experiment of a Method for Early Requirements Triage Utilizing Product Strategies. - Mahvish Khurum; Tony Gorschek; Lefteris Angelis; Robert Feldt (REFSQ, 2009)

An experimental investigation of personality types impact on pair effectiveness in pair programming. - Panagiotis Sfetsos; Ioannis Stamelos; Lefteris Angelis; Ignatios S. Deligiannis (Empir. Softw. Eng., 2009)

Prioritization of Issues and Requirements by Cumulative Voting: A Compositional Data Analysis Framework. - Panagiota Chatzipetrou; Lefteris Angelis; Per Rovegard; Claes Wohlin (EUROMICRO-SEAA, 2010)

Automatic extraction of structure, content and usage data statistics of web sites. - Ioannis K. Paparrizos; Vassiliki A. Koutsonikola; Lefteris Angelis; Athena Vakali (HT, 2010)

A large-scale empirical study of practitioners' use of object-oriented concepts. - Tony Gorschek; Ewan D. Tempero; Lefteris Angelis (ICSE (1), 2010)

Modeling the relationship between software effort and size using deming regression. - Nikolaos Mittas; Makrina Viola Kosti; Vasiliki Argyropoulou; Lefteris Angelis (PROMISE, 2010)

DD-EbA: An algorithm for determining the number of neighbors in cost estimation by analogy using distance distributions - Makrina Viola Kosti; Nikolaos Mittas; Lefteris Angelis (CoRR, 2010)

LSEbA: least squares regression and estimation by analogy in a semi-parametric model for software cost estimation. - Nikolaos Mittas; Lefteris Angelis (Empir. Softw. Eng., 2010)

Links between the personalities, views and attitudes of software engineers. - Robert Feldt; Lefteris Angelis; Richard Torkar; Maria Samuelsson (Inf. Softw. Technol., 2010)

Quantification of interacting runtime qualities in software architectures: Insights from transaction processing in client-server architectures. - Anakreon Mentis; Panagiotis Katsaros; Lefteris Angelis; George Kakarontzas (Inf. Softw. Technol., 2010)

Survival analysis on the duration of open source projects. - Ioannis Samoladas; Lefteris Angelis; Ioannis Stamelos (Inf. Softw. Technol., 2010)

Visual comparison of software cost estimation models by regression error characteristic analysis. - Nikolaos Mittas; Lefteris Angelis (J. Syst. Softw., 2010)

Software Product Quality in Global Software Development: Finding Groups with Aligned Goals. - Panagiota Chatzipetrou; Lefteris Angelis; Sebastian Barney; Claes Wohlin (EUROMICRO-SEAA, 2011)

Offshore Insourcing: A Case Study on Software Quality Alignment. - Sebastian Barney; Claes Wohlin; Panagiota Chatzipetrou; Lefteris Angelis (ICGSE, 2011)

Discovering patterns of correlation and similarities in software project data with the Circos visualization tool - Makrina Viola Kosti; Sofia Lazaridou; Nikoleta Bourazani; Lefteris Angelis (CoRR, 2011)

Empirical extension of a classification framework for addressing consistency in model based development. - Ludwik Kuzniarz; Lefteris Angelis (Inf. Softw. Technol., 2011)

MeSHy: Mining unanticipated PubMed information using frequencies of occurrences and concurrences of MeSH terms. - Theodosios Theodosiou; Ioannis S. Vizirianakis; Lefteris Angelis; Athanasios Tsaftaris; Nikos Darzentas (J. Biomed. Informatics, 2011)

An Investigation of Software Effort Phase Distribution Using Compositional Data Analysis. - Panagiota Chatzipetrou; Efi Papatheocharous; Lefteris Angelis; Andreas S. Andreou (EUROMICRO-SEAA, 2012)

Alternative methods using similarities in software effort estimation. - Makrina Viola Kosti; Nikolaos Mittas; Lefteris Angelis (PROMISE, 2012)

StatREC: a graphical user interface tool for visual hypothesis testing of cost prediction models. - Nikolaos Mittas; Ioannis Mamalikidis; Lefteris Angelis (PROMISE, 2012)

Investigating the Impact of Personality and Temperament Traits on Pair Programming: A Controlled Experiment Replication. - Panagiotis Sfetsos; Panagiotis Adamidis; Lefteris Angelis; Ioannis Stamelos; Ignatios S. Deligiannis (QUATIC, 2012)

Analyzing Measurements of the R Statistical Open Source Software. - Sophia Voulgaropoulou; Georgios Spanos; Lefteris Angelis (SEW, 2012)

Applying the Mahalanobis-Taguchi strategy for software defect diagnosis. - Dimitris Liparas; Lefteris Angelis; Robert Feldt (Autom. Softw. Eng., 2012)

A permutation test based on regression error characteristic curves for software cost estimation models. - Nikolaos Mittas; Lefteris Angelis (Empir. Softw. Eng., 2012)

A simulation process for asynchronous event processing systems: Evaluating performance and availability in transaction models. - Anakreon Mentis; Panagiotis Katsaros; Lefteris Angelis (Simul. Model. Pract. Theory, 2012)

The Success Factors Powering Industry-Academia Collaboration. - Claes Wohlin; Aybüke Aurum; Lefteris Angelis; Laura Phillips; Yvonne Dittrich; Tony Gorschek; Håkan Grahn; Kennet Henningsson; Simon Kågström; Graham Low; Per Rovegard; Piotr Tomaszewski; et al. (IEEE Softw., 2012)

A Structural Equation Modeling Approach of the Toll-Like Receptor Signaling Pathway in Chronic Lymphocytic Leukemia. - Athina Tsanousa; Lefteris Angelis; Stavroula Ntoufa; Nikos Papakonstantinou; Kostas Stamatopoulos (DEXA Workshops, 2013)

Using Ensembles for Web Effort Estimation. - Damir Azhar; Patricia Riddle; Emilia Mendes; Nikolaos Mittas; Lefteris Angelis (ESEM, 2013)

Overestimation and Underestimation of Software Cost Models: Evaluation by Visualization. - Nikolaos Mittas; Lefteris Angelis (EUROMICRO-SEAA, 2013)

Sensors talk and humans sense Towards a reciprocal collective awareness smart city framework. - Athena Vakali; Lefteris Angelis; Maria Giatsoglou (ICC Workshops, 2013)

Towards analytical evaluation of professional competences in Human Resource Management. - Mahdi Bohlouli; Fazel Ansari; Yogesh Patel; Madjid Fathi; Miguel Loitxate Cid; Lefteris Angelis (IECON, 2013)

Requirements and architecture design principles for a smart city experiment with sensor and social networks integration. - Christos Samaras; Athena Vakali; Maria Giatsoglou; Despoina Chatzakou; Lefteris Angelis (Panhellenic Conference on Informatics, 2013)

WIVSS: a new methodology for scoring information systems vulnerabilities. - Georgios Spanos; Angeliki Sioziou; Lefteris Angelis (Panhellenic Conference on Informatics, 2013)

Incorporating resting state dynamics in the analysis of encephalographic responses by means of the Mahalanobis-Taguchi strategy. - Dimitris Liparas; Nikolaos A. Laskaris; Lefteris Angelis (Expert Syst. Appl., 2013)

Ranking and Clustering Software Cost Estimation Models through a Multiple Comparisons Algorithm. - Nikolaos Mittas; Lefteris Angelis (IEEE Trans. Software Eng., 2013)

Benchmarking effort estimation models using archetypal analysis. - Nikolaos Mittas; Vagia Karpenisi; Lefteris Angelis (PROMISE, 2014)

Statistical Analysis of Requirements Prioritization for Transition to Web Technologies: A Case Study in an Electric Power Organization. - Panagiota Chatzipetrou; Christos Karapiperis; Chrysa Palampouiki; Lefteris Angelis (SWQD, 2014)

Software quality across borders: Three case studies on company internal alignment. - Sebastian Barney; Varun Mohankumar; Panagiota Chatzipetrou; Aybüke Aurum; Claes Wohlin; Lefteris Angelis (Inf. Softw. Technol., 2014)

Personality, emotional intelligence and work preferences in software engineering: An empirical study. - Makrina Viola Kosti; Robert Feldt; Lefteris Angelis (Inf. Softw. Technol., 2014)

Reasons for bottlenecks in very large-scale system of systems development. - Kai Petersen; Mahvish Khurum; Lefteris Angelis (Inf. Softw. Technol., 2014)

On the use of software design models in software development practice: An empirical investigation. - Tony Gorschek; Ewan D. Tempero; Lefteris Angelis (J. Syst. Softw., 2014)

Investigating the applicability of Agility assessment surveys: A case study. - Samireh Jalali; Claes Wohlin; Lefteris Angelis (J. Syst. Softw., 2014)

ComProFITS: A web-based platform for human resources competence assessment. - Nikolaos Mittas; George Kakarontzas; Mahdi Bohlouli; Lefteris Angelis; Ioannis Stamelos; Madjid Fathi (IISA, 2015)

Prioritized test-driven reverse engineering process: A case study. - Panagiotis Sfetsos; Lefteris Angelis; Ioannis Stamelos (IISA, 2015)

Competency profiling for software engineers: literature review and a new model. - Evangelos Moustroufas; Ioannis Stamelos; Lefteris Angelis (Panhellenic Conference on Informatics, 2015)

A novel single-trial methodology for studying brain response variability based on archetypal analysis. - Athina Tsanousa; Nikolaos A. Laskaris; Lefteris Angelis (Expert Syst. Appl., 2015)

A multivariate statistical framework for the analysis of software effort phase distribution. - Panagiota Chatzipetrou; Efi Papatheocharous; Lefteris Angelis; Andreas S. Andreou (Inf. Softw. Technol., 2015)

A framework for comparing multiple cost estimation methods using an automated visualization toolkit. - Nikolaos Mittas; Ioannis Mamalikidis; Lefteris Angelis (Inf. Softw. Technol., 2015)

Impact Metrics of Security Vulnerabilities: Analysis and Weighing. - Georgios Spanos; Lefteris Angelis (Inf. Secur. J. A Glob. Perspect., 2015)

Integrating non-parametric models with linear components for producing software cost estimations. - Nikolaos Mittas; Efi Papatheocharous; Lefteris Angelis; Andreas S. Andreou (J. Syst. Softw., 2015)

An experience-based framework for evaluating alignment of software quality goals. - Panagiota Chatzipetrou; Lefteris Angelis; Sebastian Barney; Claes Wohlin (Softw. Qual. J., 2015)

Associating the Severity of Vulnerabilities with their Description. - Dimitrios Toloudis; Georgios Spanos; Lefteris Angelis (CAiSE Workshops, 2016)

Managing the Uncertainty of Bias-Variance Tradeoff in Software Predictive Analytics. - Nikolaos Mittas; Lefteris Angelis (SEAA, 2016)

Integrating user-centered design practices into agile Web development: A case study. - Panagiotis Sfetsos; Lefteris Angelis; Ioannis Stamelos; Pashalis Raptis (IISA, 2016)

Fuzzy Grading for Adaptability in a Learning Platform. - Kyriaki Chatzistavrou; George Kakarontzas; Lefteris Angelis (PCI, 2016)

The impact of information security events to the stock market: A systematic literature review. - Georgios Spanos; Lefteris Angelis (Comput. Secur., 2016)

Archetypal personalities of software engineers and their work preferences: a new perspective for empirical studies. - Makrina Viola Kosti; Robert Feldt; Lefteris Angelis (Empir. Softw. Eng., 2016)

A framework for capturing, statistically modeling and analyzing the evolution of software models. - Hamed Shariat Yazdi; Lefteris Angelis; Timo Kehrer; Udo Kelter (J. Syst. Softw., 2016)

Technical Debt Principal Assessment Through Structural Metrics. - Makrina Viola Kosti; Apostolos Ampatzoglou; Alexander Chatzigeorgiou; Georgios Pallas; Ioannis Stamelos; Lefteris Angelis (SEAA, 2017)

Mining People Analytics from StackOverflow Job Advertisements. - Maria Papoutsoglou 001; Nikolaos Mittas; Lefteris Angelis (SEAA, 2017)

Machine Learning Methods for Customer's Payment Acceptance Prediction in an Electricity Distribution Company. - Ioannis Mamalikidis; Christos Karapiperis; Lefteris Angelis; Grigorios Tsoumakas; Ioannis P. Vlahavas (PCI, 2017)

Assessment of Vulnerability Severity using Text Mining. - Georgios Spanos; Lefteris Angelis; Dimitrios Toloudis (PCI, 2017)

Regression-Based Statistical Bounds on Software Execution Time. - Peter Poplavko; Ayoub Nouri; Lefteris Angelis; Alexandros Zerzelidis; Saddek Bensalem; Panagiotis Katsaros (VECoS, 2017)

Barriers to refactoring. - Ewan D. Tempero; Tony Gorschek; Lefteris Angelis (Commun. ACM, 2017)

Competence assessment as an expert system for human resource management: A mathematical approach. - Mahdi Bohlouli; Nikolaos Mittas; George Kakarontzas; Theodosios Theodosiou; Lefteris Angelis; Madjid Fathi (Expert Syst. Appl., 2017)

The developer's dilemma: factors affecting the decision to repay code debt. - Theodoros Amanatidis; Nikolaos Mittas; Alexander Chatzigeorgiou; Apostolos Ampatzoglou; Lefteris Angelis (TechDebt@ICSE, 2018)

Towards an affordable brain computer interface for the assessment of programmers' mental workload. - Makrina Viola Kosti; Kostas Georgiadis; Dimitrios A. Adamos; Nikos Laskaris; Diomidis Spinellis; Lefteris Angelis (Int. J. Hum. Comput. Stud., 2018)

Maximal software execution time: a regression-based approach. - Ayoub Nouri; Peter Poplavko; Lefteris Angelis; Alexandros Zerzelidis; Saddek Bensalem; Panagiotis Katsaros (Innov. Syst. Softw. Eng., 2018)

A multi-target approach to estimate software vulnerability characteristics and severity scores. - Georgios Spanos; Lefteris Angelis (J. Syst. Softw., 2018)

Statistical Analysis in The Research of Human Factor in Software Engineering: Invited Talk Paper. - Lefteris Angelis (BCI, 2019)

Software technologies skills: A graph-based study to capture their associations and dynamics. - Konstantinos Georgiou; Maria Papoutsoglou 001; Athena Vakali; Lefteris Angelis (BCI, 2019)

Automatic Identification of Skills' Dependency. - Plamen Nachev; Olga Georgieva; Lefteris Angelis (BCI, 2019)

Cross-study Reliability of the Open Card Sorting Method. - Christos Katsanos; Nikolaos K. Tselios; Nikolaos M. Avouris; Stavros N. Demetriadis; Ioannis Stamelos; Lefteris Angelis (CHI Extended Abstracts, 2019)

Extracting Knowledge From On-Line Sources for Software Engineering Labor Market: A Mapping Study. - Maria Papoutsoglou 001; Apostolos Ampatzoglou; Nikolaos Mittas; Lefteris Angelis (IEEE Access, 2019)

Study of gene expressions' correlation structures in subgroups of Chronic Lymphocytic Leukemia Patients. - Athina Tsanousa; Stavroula Ntoufa; Nikos Papakonstantinou; Kostas Stamatopoulos; Lefteris Angelis (J. Biomed. Informatics, 2019)

Establishment of computational biology in Greece and Cyprus: Past, present, and future. - Anastasia Chasapi; Michalis Aivaliotis; Lefteris Angelis; Anastasios Chanalaris; Ioannis Iliopoulos; Ilias Kappas; Christos Karapiperis; Nikos Kyrpides; Evangelos Pafilis; Eleftherios Panteris; Pantelis Topalis; George Tsiamis; et al. (PLoS Comput. Biol., 2019)

A preliminary Study of Knowledge Sharing related to Covid-19 Pandemic in Stack Overflow. - Konstantinos Georgiou; Nikolaos Mittas; Lefteris Angelis; Alexander Chatzigeorgiou (SEAA, 2020)

What do developers talk about open source software licensing? - Georgia M. Kapitsaki; Maria Papoutsoglou 001; Daniel M. Germán; Lefteris Angelis (SEAA, 2020)

Ensemble Software Development Effort Estimation Using Data Envelopment Analysis. - Konstantinos Charmanas; Nikolaos Mittas; Lefteris Angelis (PCI, 2020)

A Study of Knowledge Sharing related to Covid-19 Pandemic in Stack Overflow. - Konstantinos Georgiou; Nikolaos Mittas; Lefteris Angelis; Alexander Chatzigeorgiou (CoRR, 2020)

Towards an Integrated Platform for Big Data Analysis. - Mahdi Bohlouli; Frank Schulz 001; Lefteris Angelis; David Pahor; Ivona Brandic; David Atlan; Rosemary Tate (CoRR, 2020)

Evaluating the agreement among technical debt measurement tools: building an empirical benchmark of technical debt liabilities. - Theodoros Amanatidis; Nikolaos Mittas; Athanasia Moschou; Alexander Chatzigeorgiou; Apostolos Ampatzoglou; Lefteris Angelis (Empir. Softw. Eng., 2020)

Exploring the Relation between Technical Debt Principal and Interest: An Empirical Approach. - Areti Ampatzoglou; Nikolaos Mittas; Angeliki-Agathi Tsintzira; Apostolos Ampatzoglou; Elvira-Maria Arvanitou; Alexander Chatzigeorgiou; Paris Avgeriou; Lefteris Angelis (Inf. Softw. Technol., 2020)

A novel feature selection method based on comparison of correlations for human activity recognition problems. - Athina Tsanousa; Georgios Meditskos; Stefanos Vrochidis; Lefteris Angelis (J. Ambient Intell. Humaniz. Comput., 2020)

Modeling the effect of the badges gamification mechanism on personality traits of Stack Overflow users. - Maria Papoutsoglou 001; Georgia M. Kapitsaki; Lefteris Angelis (Simul. Model. Pract. Theory, 2020)

Data-driven benchmarking in software development effort estimation: The few define the bulk. - Nikolaos Mittas; Lefteris Angelis (J. Softw. Evol. Process., 2020)

Special issue on software quality of advanced software applications. - Lefteris Angelis; Tomás Bures (Softw. Qual. J., 2020)

A Study of Remote and On-site ICT Labor Market Demand using Job Offers from Stack Overflow. - Ioannis Apatsidis; Konstantinos Georgiou; Nikolaos Mittas; Lefteris Angelis (SEAA, 2021)

Predicting the existence of exploitation concepts linked to software vulnerabilities using text mining. - Konstantinos Charmanas; Nikolaos Mittas; Lefteris Angelis (PCI, 2021)

An Analysis of User Profiles from Covid-19 Questions in Stack Overflow. - Konstantinos Stakoulas; Konstantinos Georgiou; Nikolaos Mittas; Lefteris Angelis (PCI, 2021)

Analyzing the Roles and Competence Demand for Digitalization in the Oil and Gas 4.0 Era. - Konstantinos Georgiou; Nikolaos Mittas; Ioannis Mamalikidis; Athanasios C. Mitropoulos; Lefteris Angelis (IEEE Access, 2021)

The Coming of Age for Big Data in Systems Radiobiology, an Engineering Perspective. - Christos Karapiperis; Anastasia Chasapi; Lefteris Angelis; Zacharias G. Scouras; Pier G. Mastroberardino; Soile Tapio; Michael Atkinson; Christos A. Ouzounis (Big Data, 2021)

An empirical study of COVID-19 related posts on Stack Overflow: Topics and technologies. - Konstantinos Georgiou; Nikolaos Mittas; Alexander Chatzigeorgiou; Lefteris Angelis (J. Syst. Softw., 2021)

COVID-Vis: Visualizing knowledge exchange on scientific software development in the COVID-19 era. - Konstantinos Papageorgiadis; Konstantinos Georgiou; Konstantinos Charmanas; Nikolaos Mittas; Lefteris Angelis (PCI, 2022)

An analysis of open source software licensing questions in Stack Exchange sites. - Maria Papoutsoglou 001; Georgia M. Kapitsaki; Daniel M. Germán; Lefteris Angelis (J. Syst. Softw., 2022)

A RAkEL-based methodology to estimate software vulnerability characteristics & score - an application to EU project ECHO. - Georgios Aivatoglou; Mike Anastasiadis; Georgios Spanos; Antonis Voulgaridis; Konstantinos Votis; Dimitrios Tzovaras; Lefteris Angelis (Multim. Tools Appl., 2022)

On the value of project productivity for early effort estimation. - Mohammad Azzeh; Ali Bou Nassif; Yousef Elsheikh; Lefteris Angelis (Sci. Comput. Program., 2022)

Graph theory-based simulation tools for protein structure networks. - Konstantinos F. Kantelis; Vassilios Asteriou; Aliki Papadimitriou-Tsantarliotou; Anthi Petrou; Lefteris Angelis; Petros Nicopolitidis; Georgios Papadimitriou 001; Ioannis S. Vizirianakis (Simul. Model. Pract. Theory, 2022)

Machine Learning for Technical Debt Identification. - Dimitrios Tsoukalas; Nikolaos Mittas; Alexander Chatzigeorgiou; Dionisis D. Kehagias; Apostolos Ampatzoglou; Theodoros Amanatidis; Lefteris Angelis (IEEE Trans. Software Eng., 2022)

Unveiling technology clusters and prominent investors of home automation networking through patent analysis. - Konstantinos Charmanas; Konstantinos Georgiou; Nikolaos Mittas; Lefteris Angelis (EDBT/ICDT Workshops, 2023)

A data-driven framework for knowledge exchange analysis of development issues in medical applications: A case study of COVID-19. - Konstantinos Georgiou; Konstantinos Charmanas; Konstantinos Papageorgiadis; Nikolaos Mittas; Georgios Christidis; Lefteris Angelis (SEAA, 2023)

Benchmarking Classifiers for Loan Default Prediction using Archetypal Analysis. - Anastasios Antoniadis; Konstantinos Georgiou; Konstantinos Charmanas; Nikolaos Mittas; Lefteris Angelis (ICACS, 2023)

Academic Program Simulation Tool A new approach to strategic planning in higher education. - Vasileios Asteriou; Lefteris Angelis; Stavros N. Demetriadis; Petros Nicopolitidis; Georgios Papadimitriou 001; Ioannis Stamelos; Thrasyvoulos Tsiatsos (ICETC, 2023)

Bio-Electrical Nanonetworks: A New Paradigm of Biological Nanocommunication based on Living Cable Bacteria Filaments. - Konstantinos F. Kantelis; Vassilios Asteriou; Aliki Papadimitriou; Anthi Petrou; Christos A. Ouzounis; Lefteris Angelis; Ioannis S. Vizirianakis; Petros Nicopolitidis; Georgios I. Papadimitriou (NANOCOM, 2023)

Exploitation of Vulnerabilities: A Topic-Based Machine Learning Framework for Explaining and Predicting Exploitation. - Konstantinos Charmanas; Nikolaos Mittas; Lefteris Angelis (Inf., 2023)

Data-Oriented Software Development: The Industrial Landscape through Patent Analysis. - Konstantinos Georgiou; Nikolaos Mittas; Apostolos Ampatzoglou; Alexander Chatzigeorgiou; Lefteris Angelis (Inf., 2023)

CRISSPAC: A web-based platform for predicting the SYNTAX Score and severity of coronary artery disease. - Nikolaos Mittas; Fani Chatzopoulou; Efstratios Karagiannidis; Dimitrios Chatzidimitriou; Georgios Sianos; Lefteris Angelis; Ioannis S. Vizirianakis (SoftwareX, 2023)

Examining the performance of kernel methods for software defect prediction based on support vector machine. - Mohammad Azzeh; Yousef Elsheikh; Ali Bou Nassif; Lefteris Angelis (Sci. Comput. Program., 2023)

Topic and influence analysis on technological patents related to security vulnerabilities. - Konstantinos Charmanas; Nikolaos Mittas; Lefteris Angelis (Comput. Secur., 2023)

Classifying the Main Technology Clusters and Assignees of Home Automation Networks Using Patent Classifications. - Konstantinos Charmanas; Konstantinos Georgiou; Nikolaos Mittas; Lefteris Angelis (Comput., 2023)

SKILLAB: Skills Matter. - Mihaela Aluas; Lefteris Angelis; Ioannis Arapakis; Elvira-Maria Arvanitou; Kostantinos Georgiou; Anastasios Gogos; Marco Jahn; Dionysios D. Kehagias; Valia Kordoni; Sebastian Macaluso; Nikolaos Mittas; Vasiliki Moumtzi; et al. (SEAA, 2024)

SKILLAB: Creating a Skills Supply and Demand Data Space. - Konstantinos Georgiou; Rosaria Rossini; Marco Jahn; Dimitrios Tsoukalas; Vassilis Voulgarakis; Sofia Tsekeridou; Mihaela Aluas; Apostolos Vontas; Dionysios D. Kehagias; Nikolaos Mittas; Apostolos Ampatzoglou; Valia Kordoni; et al. (eSAAM, 2024)

Causal discovery on Health-related Quality of Life of cancer patients. - Maria Ganopoulou; Efstratios Kontopoulos; Konstantinos Fokianos; Lefteris Angelis; Ioannis Kotsianidis; Theodoros Moysiadis (SWAT4HCLS, 2024)

Knowledge and research mapping of the data and database forensics domains: A bibliometric analysis. - Georgios Chorozidis; Konstantinos Georgiou; Nikolaos Mittas; Lefteris Angelis (Inf. Softw. Technol., 2024)

What Is Being Patented in Software Engineering?: Empirical Evidence From the U.S. Patent and Trademark Office. - Konstantinos Georgiou; Nikolaos Mittas; Apostolos Ampatzoglou; Alexander Chatzigeorgiou; Lefteris Angelis (IEEE Softw., 2024)

Delving into Causal Discovery in Health-Related Quality of Life Questionnaires. - Maria Ganopoulou; Efstratios Kontopoulos; Konstantinos Fokianos; Dimitris Koparanis; Lefteris Angelis; Ioannis K. Paparrizos; Theodoros Moysiadis (Algorithms, 2024)

Content and interaction-based mapping of Reddit posts related to information security. - Konstantinos Charmanas; Nikolaos Mittas; Lefteris Angelis (J. Comput. Soc. Sci., 2024)

EchoSense: a framework for analyzing the echo chambers phenomenon: a case study on Qatar events. - Dimitrios Christos Kavargyris; Konstantinos Georgiou; Lefteris Angelis (Soc. Netw. Anal. Min., 2024)

ESCOX: A tool for skill and occupation extraction using LLMs from unstructured text. - Dimitrios Christos Kavargyris; Konstantinos Georgiou; Eleanna Papaioannou; Konstantinos Petrakis; Nikolaos Mittas; Lefteris Angelis (Softw. Impacts, 2025)

Exploring the role of information security news descriptions on retweet proneness and user interactions. - Konstantinos Charmanas; Klairi Filippou; Nikolaos Mittas; Lefteris Angelis (J. Comput. Soc. Sci., 2025)

Extracting knowledge and highly demanded skills from European Union educational policies: a network analysis approach. - Dimitrios Christos Kavargyris; Konstantinos Georgiou; Nikolaos Mittas; Lefteris Angelis (Soc. Netw. Anal. Min., 2025)