Lefteris Angelis

186 papers A 2B 15C 6Misc 1Journal 109Unranked 53
YearRankTypeTitle / Venue / Authors
2026 J jnl
A Survey on Sequence Alignment Algorithms and State-of-the-Art Aligners.
ACM Comput. Surv.
Konstantinos Prousalis, Konstantinos Georgiou, Andreas Kalogeropoulos, Dimitrios Ntalaperas, Nikos Konofaos, Lefteris Angelis, Christos Papalitsas, Thanos G. Stavropoulos, Nico Gariboldi
2026 J jnl
A topic-oriented trend analysis framework for Stack Exchange questions: Case study on ChatGPT related queries on Stack Overflow.
Inf. Softw. Technol.
Konstantinos Charmanas, Konstantinos Georgiou, Konstantinos Papageorgiadis, Nikolaos Mittas, Lefteris Angelis
2026 J jnl
Required knowledge, skills and transversal competences for a career in software engineering.
Inf. Softw. Technol.
Nikolaos Mittas, Dimitrios Trygoniaris, Apostolos Ampatzoglou, Elvira-Maria Arvanitou, Christina Volioti, Alexander Chatzigeorgiou, Lefteris Angelis
2025 J jnl
Digital Requirements for Systems Analysts in Europe: A Sectoral Analysis of Online Job Advertisements and ESCO Skills.
Inf.
Konstantinos Charmanas, Konstantinos Georgiou, Nikolaos Mittas, Lefteris Angelis
2025 — conf
ESCOClassifyAI: A Semi-Automated Software Solution for ESCO-Skill-Based Document Classification.
IISA
Chatzi Chousein Chilmi, Dimitrios Christos Kavargyris, Nikolaos Mittas, Lefteris Angelis
2025 — conf
ESCOPlus: A Framework for Enriching the ESCO Taxonomy with Digital Skills from Stack Overflow.
SEAA (2)
Dimitrios Christos Kavargyris, Konstantinos Georgiou, Iosifina Maraki, Nikolaos Mittas, Lefteris Angelis
2025 J jnl
ESCOX: A tool for skill and occupation extraction using LLMs from unstructured text.
Softw. Impacts
Dimitrios Christos Kavargyris, Konstantinos Georgiou, Eleanna Papaioannou, Konstantinos Petrakis, Nikolaos Mittas, Lefteris Angelis
2025 J jnl
Exploring the role of information security news descriptions on retweet proneness and user interactions.
J. Comput. Soc. Sci.
Konstantinos Charmanas, Klairi Filippou, Nikolaos Mittas, Lefteris Angelis
2025 J jnl
Extracting knowledge and highly demanded skills from European Union educational policies: a network analysis approach.
Soc. Netw. Anal. Min.
Dimitrios Christos Kavargyris, Konstantinos Georgiou, Nikolaos Mittas, Lefteris Angelis
2025 J jnl
Future Skills in the GenAI Era: A Labor Market Classification System Using Kolmogorov-Arnold Networks and Explainable AI.
Algorithms
Dimitrios Christos Kavargyris, Konstantinos Georgiou, Eleanna Papaioannou, Theodoros Moysiadis, Nikolaos Mittas, Lefteris Angelis
2025 — conf
H-TURF: Detecting Optimal Green Software Engineering Skillsets Using TURF Analysis and Hierarchical Cumulative Voting.
SEAA (3)
Vasileios Ntaoulas, Konstantinos Georgiou, Nikolaos Mittas, Lefteris Angelis
2024 — conf
Causal discovery on Health-related Quality of Life of cancer patients.
SWAT4HCLS
Maria Ganopoulou, Efstratios Kontopoulos, Konstantinos Fokianos, Lefteris Angelis, Ioannis Kotsianidis, Theodoros Moysiadis
2024 J jnl
Content and interaction-based mapping of Reddit posts related to information security.
J. Comput. Soc. Sci.
Konstantinos Charmanas, Nikolaos Mittas, Lefteris Angelis
2024 J jnl
Delving into Causal Discovery in Health-Related Quality of Life Questionnaires.
Algorithms
Maria Ganopoulou, Efstratios Kontopoulos, Konstantinos Fokianos, Dimitris Koparanis, Lefteris Angelis, Ioannis K. Paparrizos, Theodoros Moysiadis
2024 J jnl
EchoSense: a framework for analyzing the echo chambers phenomenon: a case study on Qatar events.
Soc. Netw. Anal. Min.
Dimitrios Christos Kavargyris, Konstantinos Georgiou, Lefteris Angelis
2024 J jnl
Knowledge and research mapping of the data and database forensics domains: A bibliometric analysis.
Inf. Softw. Technol.
Georgios Chorozidis, Konstantinos Georgiou, Nikolaos Mittas, Lefteris Angelis
2024 — conf
SKILLAB: Creating a Skills Supply and Demand Data Space.
eSAAM
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, Alexander Chatzigeorgiou, Lefteris Angelis
2024 B conf
SKILLAB: Skills Matter.
SEAA
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, Rosaria Rossini, Sofia Tsekeridou, Dimitrios Tsoukalas, Christina Volioti, Apostolos Vontas, Vassilis Voulgarakis
2024 J jnl
What Is Being Patented in Software Engineering?: Empirical Evidence From the U.S. Patent and Trademark Office.
IEEE Softw.
Konstantinos Georgiou, Nikolaos Mittas, Apostolos Ampatzoglou, Alexander Chatzigeorgiou, Lefteris Angelis
2023 B conf
A data-driven framework for knowledge exchange analysis of development issues in medical applications: A case study of COVID-19.
SEAA
Konstantinos Georgiou, Konstantinos Charmanas, Konstantinos Papageorgiadis, Nikolaos Mittas, Georgios Christidis, Lefteris Angelis
2023 — conf
Academic Program Simulation Tool A new approach to strategic planning in higher education.
ICETC
Vasileios Asteriou, Lefteris Angelis, Stavros N. Demetriadis, Petros Nicopolitidis, Georgios Papadimitriou, Ioannis Stamelos, Thrasyvoulos Tsiatsos
2023 — conf
Benchmarking Classifiers for Loan Default Prediction using Archetypal Analysis.
ICACS
Anastasios Antoniadis, Konstantinos Georgiou, Konstantinos Charmanas, Nikolaos Mittas, Lefteris Angelis
2023 — conf
Bio-Electrical Nanonetworks: A New Paradigm of Biological Nanocommunication based on Living Cable Bacteria Filaments.
NANOCOM
Konstantinos F. Kantelis, Vassilios Asteriou, Aliki Papadimitriou, Anthi Petrou, Christos A. Ouzounis, Lefteris Angelis, Ioannis S. Vizirianakis, Petros Nicopolitidis, Georgios I. Papadimitriou
2023 J jnl
CRISSPAC: A web-based platform for predicting the SYNTAX Score and severity of coronary artery disease.
SoftwareX
Nikolaos Mittas, Fani Chatzopoulou, Efstratios Karagiannidis, Dimitrios Chatzidimitriou, Georgios Sianos, Lefteris Angelis, Ioannis S. Vizirianakis
2023 J jnl
Classifying the Main Technology Clusters and Assignees of Home Automation Networks Using Patent Classifications.
Comput.
Konstantinos Charmanas, Konstantinos Georgiou, Nikolaos Mittas, Lefteris Angelis
2023 J jnl
Data-Oriented Software Development: The Industrial Landscape through Patent Analysis.
Inf.
Konstantinos Georgiou, Nikolaos Mittas, Apostolos Ampatzoglou, Alexander Chatzigeorgiou, Lefteris Angelis
2023 J jnl
Examining the performance of kernel methods for software defect prediction based on support vector machine.
Sci. Comput. Program.
Mohammad Azzeh, Yousef Elsheikh, Ali Bou Nassif, Lefteris Angelis
2023 J jnl
Exploitation of Vulnerabilities: A Topic-Based Machine Learning Framework for Explaining and Predicting Exploitation.
Inf.
Konstantinos Charmanas, Nikolaos Mittas, Lefteris Angelis
2023 J jnl
Topic and influence analysis on technological patents related to security vulnerabilities.
Comput. Secur.
Konstantinos Charmanas, Nikolaos Mittas, Lefteris Angelis
2023 — conf
Unveiling technology clusters and prominent investors of home automation networking through patent analysis.
EDBT/ICDT Workshops
Konstantinos Charmanas, Konstantinos Georgiou, Nikolaos Mittas, Lefteris Angelis
2022 J jnl
A RAkEL-based methodology to estimate software vulnerability characteristics & score - an application to EU project ECHO.
Multim. Tools Appl.
Georgios Aivatoglou, Mike Anastasiadis, Georgios Spanos, Antonis Voulgaridis, Konstantinos Votis, Dimitrios Tzovaras, Lefteris Angelis
2022 J jnl
An analysis of open source software licensing questions in Stack Exchange sites.
J. Syst. Softw.
Maria Papoutsoglou, Georgia M. Kapitsaki, Daniel M. Germán, Lefteris Angelis
2022 — conf
COVID-Vis: Visualizing knowledge exchange on scientific software development in the COVID-19 era.
PCI
Konstantinos Papageorgiadis, Konstantinos Georgiou, Konstantinos Charmanas, Nikolaos Mittas, Lefteris Angelis
2022 J jnl
Graph theory-based simulation tools for protein structure networks.
Simul. Model. Pract. Theory
Konstantinos F. Kantelis, Vassilios Asteriou, Aliki Papadimitriou-Tsantarliotou, Anthi Petrou, Lefteris Angelis, Petros Nicopolitidis, Georgios Papadimitriou, Ioannis S. Vizirianakis
2022 J jnl
Machine Learning for Technical Debt Identification.
IEEE Trans. Software Eng.
Dimitrios Tsoukalas, Nikolaos Mittas, Alexander Chatzigeorgiou, Dionisis D. Kehagias, Apostolos Ampatzoglou, Theodoros Amanatidis, Lefteris Angelis
2022 J jnl
On the Value of Project Productivity for Early Effort Estimation.
CoRR
Mohammad Azzeh, Ali Bou Nassif, Yousef Elsheikh, Lefteris Angelis
2022 J jnl
On the value of project productivity for early effort estimation.
Sci. Comput. Program.
Mohammad Azzeh, Ali Bou Nassif, Yousef Elsheikh, Lefteris Angelis
2021 B conf
A Study of Remote and On-site ICT Labor Market Demand using Job Offers from Stack Overflow.
SEAA
Ioannis Apatsidis, Konstantinos Georgiou, Nikolaos Mittas, Lefteris Angelis
2021 — conf
An Analysis of User Profiles from Covid-19 Questions in Stack Overflow.
PCI
Konstantinos Stakoulas, Konstantinos Georgiou, Nikolaos Mittas, Lefteris Angelis
2021 J jnl
An analysis of open source software licensing questions in Stack Exchange sites.
CoRR
Maria Papoutsoglou, Georgia M. Kapitsaki, Daniel M. Germán, Lefteris Angelis
2021 J jnl
An empirical study of COVID-19 related posts on Stack Overflow: Topics and technologies.
J. Syst. Softw.
Konstantinos Georgiou, Nikolaos Mittas, Alexander Chatzigeorgiou, Lefteris Angelis
2021 J jnl
Analyzing the Roles and Competence Demand for Digitalization in the Oil and Gas 4.0 Era.
IEEE Access
Konstantinos Georgiou, Nikolaos Mittas, Ioannis Mamalikidis, Athanasios C. Mitropoulos, Lefteris Angelis
2021 — conf
Predicting the existence of exploitation concepts linked to software vulnerabilities using text mining.
PCI
Konstantinos Charmanas, Nikolaos Mittas, Lefteris Angelis
2021 J jnl
The Coming of Age for Big Data in Systems Radiobiology, an Engineering Perspective.
Big Data
Christos Karapiperis, Anastasia Chasapi, Lefteris Angelis, Zacharias G. Scouras, Pier G. Mastroberardino, Soile Tapio, Michael Atkinson, Christos A. Ouzounis
2020 J jnl
A Study of Knowledge Sharing related to Covid-19 Pandemic in Stack Overflow.
CoRR
Konstantinos Georgiou, Nikolaos Mittas, Lefteris Angelis, Alexander Chatzigeorgiou
2020 J jnl
A novel feature selection method based on comparison of correlations for human activity recognition problems.
J. Ambient Intell. Humaniz. Comput.
Athina Tsanousa, Georgios Meditskos, Stefanos Vrochidis, Lefteris Angelis
2020 B conf
A preliminary Study of Knowledge Sharing related to Covid-19 Pandemic in Stack Overflow.
SEAA
Konstantinos Georgiou, Nikolaos Mittas, Lefteris Angelis, Alexander Chatzigeorgiou
2020 J jnl
Competence Assessment as an Expert System for Human Resource Management: A Mathematical Approach.
CoRR
Mahdi Bohlouli, Nikolaos Mittas, George Kakarontzas, Theodosios Theodosiou, Lefteris Angelis, Madjid Fathi
2020 J jnl
Data-driven benchmarking in software development effort estimation: The few define the bulk.
J. Softw. Evol. Process.
Nikolaos Mittas, Lefteris Angelis
2020 — conf
Ensemble Software Development Effort Estimation Using Data Envelopment Analysis.
PCI
Konstantinos Charmanas, Nikolaos Mittas, Lefteris Angelis
2020 J jnl
Evaluating the agreement among technical debt measurement tools: building an empirical benchmark of technical debt liabilities.
Empir. Softw. Eng.
Theodoros Amanatidis, Nikolaos Mittas, Athanasia Moschou, Alexander Chatzigeorgiou, Apostolos Ampatzoglou, Lefteris Angelis
2020 J jnl
Exploring the Relation between Technical Debt Principal and Interest: An Empirical Approach.
Inf. Softw. Technol.
Areti Ampatzoglou, Nikolaos Mittas, Angeliki-Agathi Tsintzira, Apostolos Ampatzoglou, Elvira-Maria Arvanitou, Alexander Chatzigeorgiou, Paris Avgeriou, Lefteris Angelis
2020 J jnl
Modeling the effect of the badges gamification mechanism on personality traits of Stack Overflow users.
Simul. Model. Pract. Theory
Maria Papoutsoglou, Georgia M. Kapitsaki, Lefteris Angelis
2020 J jnl
Special issue on software quality of advanced software applications.
Softw. Qual. J.
Lefteris Angelis, Tomás Bures
2020 J jnl
Towards an Integrated Platform for Big Data Analysis.
CoRR
Mahdi Bohlouli, Frank Schulz, Lefteris Angelis, David Pahor, Ivona Brandic, David Atlan, Rosemary Tate
2020 B conf
What do developers talk about open source software licensing?
SEAA
Georgia M. Kapitsaki, Maria Papoutsoglou, Daniel M. Germán, Lefteris Angelis
2019 — conf
Automatic Identification of Skills' Dependency.
BCI
Plamen Nachev, Olga Georgieva, Lefteris Angelis
2019 — conf
Cross-study Reliability of the Open Card Sorting Method.
CHI Extended Abstracts
Christos Katsanos, Nikolaos K. Tselios, Nikolaos M. Avouris, Stavros N. Demetriadis, Ioannis Stamelos, Lefteris Angelis
2019 J jnl
Cross-study Reliability of the Open Card Sorting Method.
CoRR
Christos Katsanos, Nikolaos K. Tselios, Nikolaos M. Avouris, Stavros N. Demetriadis, Ioannis Stamelos, Lefteris Angelis
2019 J jnl
Establishment of computational biology in Greece and Cyprus: Past, present, and future.
PLoS Comput. Biol.
Anastasia Chasapi, Michalis Aivaliotis, Lefteris Angelis, Anastasios Chanalaris, Ioannis Iliopoulos, Ilias Kappas, Christos Karapiperis, Nikos Kyrpides, Evangelos Pafilis, Eleftherios Panteris, Pantelis Topalis, George Tsiamis, Ioannis S. Vizirianakis, Metaxia Vlassi, Vasilis J. Promponas, Christos A. Ouzounis
2019 J jnl
Extracting Knowledge From On-Line Sources for Software Engineering Labor Market: A Mapping Study.
IEEE Access
Maria Papoutsoglou, Apostolos Ampatzoglou, Nikolaos Mittas, Lefteris Angelis
2019 — conf
Software technologies skills: A graph-based study to capture their associations and dynamics.
BCI
Konstantinos Georgiou, Maria Papoutsoglou, Athena Vakali, Lefteris Angelis
2019 — conf
Statistical Analysis in The Research of Human Factor in Software Engineering: Invited Talk Paper.
BCI
Lefteris Angelis
2019 J jnl
Study of gene expressions' correlation structures in subgroups of Chronic Lymphocytic Leukemia Patients.
J. Biomed. Informatics
Athina Tsanousa, Stavroula Ntoufa, Nikos Papakonstantinou, Kostas Stamatopoulos, Lefteris Angelis
2018 B ed.
44th Euromicro Conference on Software Engineering and Advanced Applications, SEAA 2018, Prague, Czech Republic, August 29-31, 2018
SEAA
Tomás Bures, Lefteris Angelis
2018 C conf
A framework for capturing, statistically modeling and analyzing the evolution of software models.
Software Engineering
Hamed Shariat Yazdi, Lefteris Angelis, Timo Kehrer, Udo Kelter
2018 J jnl
A multi-target approach to estimate software vulnerability characteristics and severity scores.
J. Syst. Softw.
Georgios Spanos, Lefteris Angelis
2018 J jnl
Maximal software execution time: a regression-based approach.
Innov. Syst. Softw. Eng.
Ayoub Nouri, Peter Poplavko, Lefteris Angelis, Alexandros Zerzelidis, Saddek Bensalem, Panagiotis Katsaros
2018 — conf
The developer's dilemma: factors affecting the decision to repay code debt.
TechDebt@ICSE
Theodoros Amanatidis, Nikolaos Mittas, Alexander Chatzigeorgiou, Apostolos Ampatzoglou, Lefteris Angelis
2018 J jnl
Towards an affordable brain computer interface for the assessment of programmers' mental workload.
Int. J. Hum. Comput. Stud.
Makrina Viola Kosti, Kostas Georgiadis, Dimitrios A. Adamos, Nikos Laskaris, Diomidis Spinellis, Lefteris Angelis
2017 — conf
Assessment of Vulnerability Severity using Text Mining.
PCI
Georgios Spanos, Lefteris Angelis, Dimitrios Toloudis
2017 J jnl
Barriers to refactoring.
Commun. ACM
Ewan D. Tempero, Tony Gorschek, Lefteris Angelis
2017 J jnl
Competence assessment as an expert system for human resource management: A mathematical approach.
Expert Syst. Appl.
Mahdi Bohlouli, Nikolaos Mittas, George Kakarontzas, Theodosios Theodosiou, Lefteris Angelis, Madjid Fathi
2017 — conf
Machine Learning Methods for Customer's Payment Acceptance Prediction in an Electricity Distribution Company.
PCI
Ioannis Mamalikidis, Christos Karapiperis, Lefteris Angelis, Grigorios Tsoumakas, Ioannis P. Vlahavas
2017 B conf
Mining People Analytics from StackOverflow Job Advertisements.
SEAA
Maria Papoutsoglou, Nikolaos Mittas, Lefteris Angelis
2017 C conf
Regression-Based Statistical Bounds on Software Execution Time.
VECoS
Peter Poplavko, Ayoub Nouri, Lefteris Angelis, Alexandros Zerzelidis, Saddek Bensalem, Panagiotis Katsaros
2017 B conf
Technical Debt Principal Assessment Through Structural Metrics.
SEAA
Makrina Viola Kosti, Apostolos Ampatzoglou, Alexander Chatzigeorgiou, Georgios Pallas, Ioannis Stamelos, Lefteris Angelis
2016 J jnl
A framework for capturing, statistically modeling and analyzing the evolution of software models.
J. Syst. Softw.
Hamed Shariat Yazdi, Lefteris Angelis, Timo Kehrer, Udo Kelter
2016 J jnl
Archetypal personalities of software engineers and their work preferences: a new perspective for empirical studies.
Empir. Softw. Eng.
Makrina Viola Kosti, Robert Feldt, Lefteris Angelis
2016 — conf
Associating the Severity of Vulnerabilities with their Description.
CAiSE Workshops
Dimitrios Toloudis, Georgios Spanos, Lefteris Angelis
2016 — conf
Fuzzy Grading for Adaptability in a Learning Platform.
PCI
Kyriaki Chatzistavrou, George Kakarontzas, Lefteris Angelis
2016 — conf
Integrating user-centered design practices into agile Web development: A case study.
IISA
Panagiotis Sfetsos, Lefteris Angelis, Ioannis Stamelos, Pashalis Raptis
2016 B conf
Managing the Uncertainty of Bias-Variance Tradeoff in Software Predictive Analytics.
SEAA
Nikolaos Mittas, Lefteris Angelis
2016 J jnl
The impact of information security events to the stock market: A systematic literature review.
Comput. Secur.
Georgios Spanos, Lefteris Angelis
2015 J jnl
A framework for comparing multiple cost estimation methods using an automated visualization toolkit.
Inf. Softw. Technol.
Nikolaos Mittas, Ioannis Mamalikidis, Lefteris Angelis
2015 J jnl
A multivariate statistical framework for the analysis of software effort phase distribution.
Inf. Softw. Technol.
Panagiota Chatzipetrou, Efi Papatheocharous, Lefteris Angelis, Andreas S. Andreou
2015 J jnl
A novel single-trial methodology for studying brain response variability based on archetypal analysis.
Expert Syst. Appl.
Athina Tsanousa, Nikolaos A. Laskaris, Lefteris Angelis
2015 J jnl
An experience-based framework for evaluating alignment of software quality goals.
Softw. Qual. J.
Panagiota Chatzipetrou, Lefteris Angelis, Sebastian Barney, Claes Wohlin
2015 — conf
ComProFITS: A web-based platform for human resources competence assessment.
IISA
Nikolaos Mittas, George Kakarontzas, Mahdi Bohlouli, Lefteris Angelis, Ioannis Stamelos, Madjid Fathi
2015 — conf
Competency profiling for software engineers: literature review and a new model.
Panhellenic Conference on Informatics
Evangelos Moustroufas, Ioannis Stamelos, Lefteris Angelis
2015 J jnl
Impact Metrics of Security Vulnerabilities: Analysis and Weighing.
Inf. Secur. J. A Glob. Perspect.
Georgios Spanos, Lefteris Angelis
2015 J jnl
Integrating non-parametric models with linear components for producing software cost estimations.
J. Syst. Softw.
Nikolaos Mittas, Efi Papatheocharous, Lefteris Angelis, Andreas S. Andreou
2015 — conf
Prioritized test-driven reverse engineering process: A case study.
IISA
Panagiotis Sfetsos, Lefteris Angelis, Ioannis Stamelos
2014 — conf
Benchmarking effort estimation models using archetypal analysis.
PROMISE
Nikolaos Mittas, Vagia Karpenisi, Lefteris Angelis
2014 J jnl
Investigating the applicability of Agility assessment surveys: A case study.
J. Syst. Softw.
Samireh Jalali, Claes Wohlin, Lefteris Angelis
2014 J jnl
On the use of software design models in software development practice: An empirical investigation.
J. Syst. Softw.
Tony Gorschek, Ewan D. Tempero, Lefteris Angelis
2014 J jnl
Personality, emotional intelligence and work preferences in software engineering: An empirical study.
Inf. Softw. Technol.
Makrina Viola Kosti, Robert Feldt, Lefteris Angelis
2014 J jnl
Reasons for bottlenecks in very large-scale system of systems development.
Inf. Softw. Technol.
Kai Petersen, Mahvish Khurum, Lefteris Angelis
2014 J jnl
Software quality across borders: Three case studies on company internal alignment.
Inf. Softw. Technol.
Sebastian Barney, Varun Mohankumar, Panagiota Chatzipetrou, Aybüke Aurum, Claes Wohlin, Lefteris Angelis
2014 — conf
Statistical Analysis of Requirements Prioritization for Transition to Web Technologies: A Case Study in an Electric Power Organization.
SWQD
Panagiota Chatzipetrou, Christos Karapiperis, Chrysa Palampouiki, Lefteris Angelis
2013 — conf
A Structural Equation Modeling Approach of the Toll-Like Receptor Signaling Pathway in Chronic Lymphocytic Leukemia.
DEXA Workshops
Athina Tsanousa, Lefteris Angelis, Stavroula Ntoufa, Nikos Papakonstantinou, Kostas Stamatopoulos
2013 J jnl
Incorporating resting state dynamics in the analysis of encephalographic responses by means of the Mahalanobis-Taguchi strategy.
Expert Syst. Appl.
Dimitris Liparas, Nikolaos A. Laskaris, Lefteris Angelis
2013 — conf
Overestimation and Underestimation of Software Cost Models: Evaluation by Visualization.
EUROMICRO-SEAA
Nikolaos Mittas, Lefteris Angelis
2013 J jnl
Ranking and Clustering Software Cost Estimation Models through a Multiple Comparisons Algorithm.
IEEE Trans. Software Eng.
Nikolaos Mittas, Lefteris Angelis
2013 — conf
Requirements and architecture design principles for a smart city experiment with sensor and social networks integration.
Panhellenic Conference on Informatics
Christos Samaras, Athena Vakali, Maria Giatsoglou, Despoina Chatzakou, Lefteris Angelis
2013 — conf
Sensors talk and humans sense Towards a reciprocal collective awareness smart city framework.
ICC Workshops
Athena Vakali, Lefteris Angelis, Maria Giatsoglou
2013 C conf
Towards analytical evaluation of professional competences in Human Resource Management.
IECON
Mahdi Bohlouli, Fazel Ansari, Yogesh Patel, Madjid Fathi, Miguel Loitxate Cid, Lefteris Angelis
2013 A conf
Using Ensembles for Web Effort Estimation.
ESEM
Damir Azhar, Patricia Riddle, Emilia Mendes, Nikolaos Mittas, Lefteris Angelis
2013 — conf
WIVSS: a new methodology for scoring information systems vulnerabilities.
Panhellenic Conference on Informatics
Georgios Spanos, Angeliki Sioziou, Lefteris Angelis
2012 J jnl
A permutation test based on regression error characteristic curves for software cost estimation models.
Empir. Softw. Eng.
Nikolaos Mittas, Lefteris Angelis
2012 J jnl
A simulation process for asynchronous event processing systems: Evaluating performance and availability in transaction models.
Simul. Model. Pract. Theory
Anakreon Mentis, Panagiotis Katsaros, Lefteris Angelis
2012 — conf
Alternative methods using similarities in software effort estimation.
PROMISE
Makrina Viola Kosti, Nikolaos Mittas, Lefteris Angelis
2012 — conf
An Investigation of Software Effort Phase Distribution Using Compositional Data Analysis.
EUROMICRO-SEAA
Panagiota Chatzipetrou, Efi Papatheocharous, Lefteris Angelis, Andreas S. Andreou
2012 C conf
Analyzing Measurements of the R Statistical Open Source Software.
SEW
Sophia Voulgaropoulou, Georgios Spanos, Lefteris Angelis
2012 J jnl
Applying the Mahalanobis-Taguchi strategy for software defect diagnosis.
Autom. Softw. Eng.
Dimitris Liparas, Lefteris Angelis, Robert Feldt
2012 Misc conf
Investigating the Impact of Personality and Temperament Traits on Pair Programming: A Controlled Experiment Replication.
QUATIC
Panagiotis Sfetsos, Panagiotis Adamidis, Lefteris Angelis, Ioannis Stamelos, Ignatios S. Deligiannis
2012 — conf
StatREC: a graphical user interface tool for visual hypothesis testing of cost prediction models.
PROMISE
Nikolaos Mittas, Ioannis Mamalikidis, Lefteris Angelis
2012 J jnl
The Success Factors Powering Industry-Academia Collaboration.
IEEE Softw.
Claes Wohlin, Aybüke Aurum, Lefteris Angelis, Laura Phillips, Yvonne Dittrich, Tony Gorschek, Håkan Grahn, Kennet Henningsson, Simon Kågström, Graham Low, Per Rovegard, Piotr Tomaszewski, Christine Van Toorn, Jeff Winter
2011 J jnl
Discovering patterns of correlation and similarities in software project data with the Circos visualization tool
CoRR
Makrina Viola Kosti, Sofia Lazaridou, Nikoleta Bourazani, Lefteris Angelis
2011 J jnl
Empirical extension of a classification framework for addressing consistency in model based development.
Inf. Softw. Technol.
Ludwik Kuzniarz, Lefteris Angelis
2011 J jnl
MeSHy: Mining unanticipated PubMed information using frequencies of occurrences and concurrences of MeSH terms.
J. Biomed. Informatics
Theodosios Theodosiou, Ioannis S. Vizirianakis, Lefteris Angelis, Athanasios Tsaftaris, Nikos Darzentas
2011 C conf
Offshore Insourcing: A Case Study on Software Quality Alignment.
ICGSE
Sebastian Barney, Claes Wohlin, Panagiota Chatzipetrou, Lefteris Angelis
2011 — conf
Software Product Quality in Global Software Development: Finding Groups with Aligned Goals.
EUROMICRO-SEAA
Panagiota Chatzipetrou, Lefteris Angelis, Sebastian Barney, Claes Wohlin
2010 — conf
A large-scale empirical study of practitioners' use of object-oriented concepts.
ICSE (1)
Tony Gorschek, Ewan D. Tempero, Lefteris Angelis
2010 — conf
Automatic extraction of structure, content and usage data statistics of web sites.
HT
Ioannis K. Paparrizos, Vassiliki A. Koutsonikola, Lefteris Angelis, Athena Vakali
2010 J jnl
DD-EbA: An algorithm for determining the number of neighbors in cost estimation by analogy using distance distributions
CoRR
Makrina Viola Kosti, Nikolaos Mittas, Lefteris Angelis
2010 J jnl
LSEbA: least squares regression and estimation by analogy in a semi-parametric model for software cost estimation.
Empir. Softw. Eng.
Nikolaos Mittas, Lefteris Angelis
2010 J jnl
Links between the personalities, views and attitudes of software engineers.
Inf. Softw. Technol.
Robert Feldt, Lefteris Angelis, Richard Torkar, Maria Samuelsson
2010 — conf
Modeling the relationship between software effort and size using deming regression.
PROMISE
Nikolaos Mittas, Makrina Viola Kosti, Vasiliki Argyropoulou, Lefteris Angelis
2010 — conf
Prioritization of Issues and Requirements by Cumulative Voting: A Compositional Data Analysis Framework.
EUROMICRO-SEAA
Panagiota Chatzipetrou, Lefteris Angelis, Per Rovegard, Claes Wohlin
2010 J jnl
Quantification of interacting runtime qualities in software architectures: Insights from transaction processing in client-server architectures.
Inf. Softw. Technol.
Anakreon Mentis, Panagiotis Katsaros, Lefteris Angelis, George Kakarontzas
2010 J jnl
Survival analysis on the duration of open source projects.
Inf. Softw. Technol.
Ioannis Samoladas, Lefteris Angelis, Ioannis Stamelos
2010 J jnl
Visual comparison of software cost estimation models by regression error characteristic analysis.
J. Syst. Softw.
Nikolaos Mittas, Lefteris Angelis
2009 B conf
A Controlled Experiment of a Method for Early Requirements Triage Utilizing Product Strategies.
REFSQ
Mahvish Khurum, Tony Gorschek, Lefteris Angelis, Robert Feldt
2009 J jnl
An experimental investigation of personality types impact on pair effectiveness in pair programming.
Empir. Softw. Eng.
Panagiotis Sfetsos, Ioannis Stamelos, Lefteris Angelis, Ignatios S. Deligiannis
2009 — conf
Bootstrap Confidence Intervals for Regression Error Characteristic Curves Evaluating the Prediction Error of Software Cost Estimation Models.
AIAI (Workshops)
Nikolaos Mittas, Lefteris Angelis
2009 — conf
Bootstrap Prediction Intervals for a Semi-parametric Software Cost Estimation Model.
EUROMICRO-SEAA
Nikolaos Mittas, Lefteris Angelis
2009 — conf
Synthetic Metrics for Evaluating Runtime Quality of Software Architectures with Complex Tradeoffs.
EUROMICRO-SEAA
Anakreon Mentis, Panagiotis Katsaros, Lefteris Angelis
2008 — conf
A Prototype System for Educational Data Warehousing and Mining.
Panhellenic Conference on Informatics
Nikolaos Dimokas, Nikolaos Mittas, Alexandros Nanopoulos, Lefteris Angelis
2008 J jnl
A statistical framework for analyzing the duration of software projects.
Empir. Softw. Eng.
Panagiotis Sentas, Lefteris Angelis, Ioannis Stamelos
2008 J jnl
An Empirical Study on Views of Importance of Change Impact Analysis Issues.
IEEE Trans. Software Eng.
Per Rovegard, Lefteris Angelis, Claes Wohlin
2008 J jnl
Combining probabilistic models for explanatory productivity estimation.
Inf. Softw. Technol.
Stamatia Bibi, Ioannis Stamelos, Lefteris Angelis
2008 A conf
Combining regression and estimation by analogy in a semi-parametric model for software cost estimation.
ESEM
Nikolaos Mittas, Lefteris Angelis
2008 — conf
Comparing Software Cost Prediction Models by a Visualization Tool.
EUROMICRO-SEAA
Nikolaos Mittas, Lefteris Angelis
2008 J jnl
Comparing cost prediction models by resampling techniques.
J. Syst. Softw.
Nikolaos Mittas, Lefteris Angelis
2008 J jnl
Experimental Evaluation of an Instructional Supporting Tool in Distance Learning.
J. Educ. Technol. Soc.
Athanasis Karoulis, Ioannis Stamelos, Lefteris Angelis
2008 J jnl
Improving analogy-based software cost estimation by a resampling method.
Inf. Softw. Technol.
Nikolaos Mittas, Marinos Athanasiades, Lefteris Angelis
2008 J jnl
Non-linear correlation of content and metadata information extracted from biomedical article datasets.
J. Biomed. Informatics
Theodosios Theodosiou, Lefteris Angelis, Athena Vakali
2008 J jnl
PuReD-MCL: a graph-based PubMed document clustering methodology.
Bioinform.
Theodosios Theodosiou, Nikos Darzentas, Lefteris Angelis, Christos A. Ouzounis
2008 B conf
Towards individualized software engineering: empirical studies should collect psychometrics.
CHASE
Robert Feldt, Richard Torkar, Lefteris Angelis, Maria Samuelsson
2008 J jnl
Understanding knowledge sharing activities in free/open source software projects: An empirical study.
J. Syst. Softw.
Sulayman K. Sowe, Ioannis Stamelos, Lefteris Angelis
2007 J jnl
An Application of Quasigroups in All-Or-Nothing Transform.
Cryptologia
Stelios I. Marnas, Lefteris Angelis, Georgios L. Bleris
2007 J jnl
Gene functional annotation by statistical analysis of biomedical articles.
Int. J. Medical Informatics
Theodosios Theodosiou, Lefteris Angelis, Athena Vakali, G. N. Thomopoulos
2007 J jnl
Performance and effectiveness trade-off for checkpointing in fault-tolerant distributed systems.
Concurr. Comput. Pract. Exp.
Panagiotis Katsaros, Lefteris Angelis, Constantine Lazos
2007 — conf
Using Repository of Repositories (RoRs) to Study the Growth of F/OSS Projects: A Meta-Analysis Research Approach.
OSS
Sulayman K. Sowe, Lefteris Angelis, Ioannis Stamelos, Yannis Manolopoulos
2007 J jnl
Validation and interpretation of Web users' sessions clusters.
Inf. Process. Manag.
George Pallis, Lefteris Angelis, Athena Vakali
2006 J jnl
Categorical missing data imputation for software cost estimation by multinomial logistic regression.
J. Syst. Softw.
Panagiotis Sentas, Lefteris Angelis
2006 B conf
Formal Evaluation of an Instructional ODL Tool.
ICALT
Athanasis Karoulis, Ioannis Stamelos, Lefteris Angelis
2006 J jnl
Identifying knowledge brokers that yield software engineering knowledge in OSS projects.
Inf. Softw. Technol.
Sulayman K. Sowe, Ioannis Stamelos, Lefteris Angelis
2006 B conf
Investigating the Impact of Personality Types on Communication and Collaboration-Viability in Pair Programming - An Empirical Study.
XP
Panagiotis Sfetsos, Ioannis Stamelos, Lefteris Angelis, Ignatios S. Deligiannis
2006 J jnl
Investigating the extreme programming system-An empirical study.
Empir. Softw. Eng.
Panagiotis Sfetsos, Lefteris Angelis, Ioannis Stamelos
2005 J jnl
Formally assessing an instructional tool: a controlled experiment in software engineering.
IEEE Trans. Educ.
Athanasis Karoulis, Ioannis Stamelos, Lefteris Angelis, Andreas S. Pombortsis
2005 — conf
Functional Annotation of Genes through Statistical Analysis of Biomedical Articles.
DEXA Workshops
Theodosios Theodosiou, Lefteris Angelis, Athena Vakali
2005 C conf
Model-Based Cluster Analysis for Web Users Sessions.
ISMIS
George Pallis, Lefteris Angelis, Athena Vakali
2005 J jnl
Selective fusion of heterogeneous classifiers.
Intell. Data Anal.
Grigorios Tsoumakas, Lefteris Angelis, Ioannis P. Vlahavas
2005 J jnl
Software productivity and effort prediction with ordinal regression.
Inf. Softw. Technol.
Panagiotis Sentas, Lefteris Angelis, Ioannis Stamelos, Georgios L. Bleris
2005 — conf
Survival Analysis for the Duration of Software Projects.
IEEE METRICS
Panagiotis Sentas, Lefteris Angelis
2004 J jnl
A controlled experiment investigation of an object-oriented design heuristic for maintainability.
J. Syst. Softw.
Ignatios S. Deligiannis, Ioannis Stamelos, Lefteris Angelis, Manos Roumeliotis, Martin J. Shepperd
2004 — conf
A probabilistic validation algorithm for Web users' clusters.
SMC (5)
George Pallis, Lefteris Angelis, Athena Vakali, Jaroslav Pokorný
2004 J jnl
A simulated annealing approach for multimedia data placement.
J. Syst. Softw.
Evimaria Terzi, Athena Vakali, Lefteris Angelis
2004 J jnl
Clustering classifiers for knowledge discovery from physically distributed databases.
Data Knowl. Eng.
Grigorios Tsoumakas, Lefteris Angelis, Ioannis P. Vlahavas
2004 B conf
Evaluating the Extreme Programming System - An Empirical Study.
XP
Panagiotis Sfetsos, Lefteris Angelis, Ioannis Stamelos, Georgios L. Bleris
2004 J jnl
Experimentally assessing a resource-effective design for ODL environments.
Interact. Technol. Smart Educ.
Athanasis Karoulis, Panagiotis Sfetsos, Ioannis Stamelos, Lefteris Angelis, Andreas S. Pombortsis
2004 J jnl
Open source software development should strive for even greater code maintainability.
Commun. ACM
Ioannis Samoladas, Ioannis Stamelos, Lefteris Angelis, Apostolos Oikonomou
2003 B conf
A Controlled Experiment Investigation on the Impact of an Instructional Tool for Personalized Learning.
ICALT
Athanasis Karoulis, Ioannis Stamelos, Lefteris Angelis, Andreas S. Pombortsis
2003 — conf
A Study on Workload Characterization for a Web Proxy Server.
Applied Informatics
George Pallis, Athena Vakali, Lefteris Angelis, Mohand-Said Hacid
2003 J jnl
Estimating the development cost of custom software.
Inf. Manag.
Ioannis Stamelos, Lefteris Angelis, Maurizio Morisio, Evaggelos Sakellaris, Georgios L. Bleris
2003 J jnl
On the use of Bayesian belief networks for the prediction of software productivity.
Inf. Softw. Technol.
Ioannis Stamelos, Lefteris Angelis, P. Dimou, Evaggelos Sakellaris
2002 J jnl
A novel simulation model for the development process of open source software projects.
Softw. Process. Improv. Pract.
Ioannis P. Antoniades, Ioannis Stamelos, Lefteris Angelis, Georgios L. Bleris
2002 J jnl
Code quality analysis in open source software development.
Inf. Syst. J.
Ioannis Stamelos, Lefteris Angelis, Apostolos Oikonomou, Georgios L. Bleris
2002 J jnl
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.
Empir. Softw. Eng.
Lefteris Angelis, Ioannis Stamelos
2001 — conf
Building A Software Cost Estimation Model Based On Categorical Data.
IEEE METRICS
Lefteris Angelis, Ioannis Stamelos, Maurizio Morisio
2001 J jnl
Internet based auctions: a survey on models and applications.
SIGecom Exch.
Athena Vakali, Lefteris Angelis, Dimitra Pournara
2001 J jnl
Managing uncertainty in project portfolio cost estimation.
Inf. Softw. Technol.
Ioannis Stamelos, Lefteris Angelis
2001 — conf
Multimedia Documents Storage: An Evolutionary Based Application.
MDDE
Athena Vakali, Evimaria Terzi, Lefteris Angelis, Mohand-Saïd Hacid
2000 J jnl
A Simulation Tool for Efficient Analogy Based Cost Estimation.
Empir. Softw. Eng.
Lefteris Angelis, Ioannis Stamelos