All Stories

  1. Understanding the Ukrainian Migrants Challenges in the EU: A Topic Modeling Approach

    Article • June 2024, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos

  2. Towards Cross-Domain Linking of Data: A Semantic Mapping of Cultural Heritage Ontologies

    Article • June 2024, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos

  3. Employment of University Graduates in the Era of Digitalization and Artificial Intelligence: Challenges and Prospects

    Article • June 2024, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos

  4. Team Radiant or Dire? Comparing the SVM and k-NN Classifiers upon a DotA2 Matches Dataset

    Article • November 2023, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos

  5. Information scent and open government data (OGD) engagement: research agenda

    Article • September 2023, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos, Mr Ricardo Matheus, Ph.D Guilherme Costa Wiedenhoft

  6. An algorithmic method for business process reengineering and service automation in the public sector

    Article • September 2023, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos, Zoi Lachana

  7. Semantic Interoperability for Legal Information: Mapping the European Legislation Identifier (ELI) and Akoma Ntoso (AKN) Ontologies

    Article • September 2023, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos

  8. Moderating effects of gender, perceived importance and usage experience towards Open Government Data (OGD) adoption and usage

    Article • July 2023, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos

  9. Identification of High-Value Dataset determinants

    Article • July 2023, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos, Dr. Anastasija Nikiforova

  10. How do personality traits influence Open Government Data (OGD) adoption and usage? Investigating the indirect and moderating effects

    Article • July 2023, ACM (Association for Computing Machinery)

    Fernando Kleiman, Charalampos Alexopoulos, Mr Ricardo Matheus

  11. Analysis of Reviews on Greek Municipalities to Improve Public Service Delivery and Citizen Satisfaction: A Tool for Co-creation and Co-design

    Article • November 2022, ACM (Association for Computing Machinery)

    MOHSAN ALI, Charalampos Alexopoulos

  12. Towards Perso-Arabic Urdu Language Hate Detection Using Machine Learning: A Comparative Study Based on a Large Dataset and Time-Complexity

    Article • November 2022, ACM (Association for Computing Machinery)

    MOHSAN ALI, Charalampos Alexopoulos

  13. Assessing Information and System Quality of Open Government Data Portals in Croatia

    Article • October 2022, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos

  14. A comprehensive review of open data platforms, prevalent technologies, and functionalities

    Article • October 2022, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos, MOHSAN ALI

  15. Ethical and Legal Aspects of Digital Forensics Algorithms: The Case of Digital Evidence Acquisition

    Article • October 2022, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos

  16. Clustering legal artifacts using text mining

    Article • October 2021, ACM (Association for Computing Machinery)

    Zoi Lachana, Charalampos Alexopoulos

  17. A Methodology for Evaluating Advanced Legal Data Infrastructures

    Article • October 2021, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos

  18. Legal Text Processing: Combing two legal ontological approaches through text mining

    Article • June 2021, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos, Zoi Lachana

  19. Assessing the quality of e-Government services for entrepreneurship

    Article • September 2020, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos

  20. Architecting an innovative big open legal data analytics, search and retrieval platform

    Article • September 2020, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos

  21. Convergence and Divergence Between Municipalities and Citizens about Smart City Actions’ Priorities

    Article • June 2020, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos, Nikolaos Vogiatzis

  22. Gamification in Public Service Provisioning: Investigation of Research Needs

    Article • June 2020, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos

  23. A Taxonomy of Smart Cities Initiatives

    Article • April 2019, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos

  24. Use Case Scenarios on Legal Text Mining

    Article • April 2019, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos, Zoi Lachana

  25. How Machine Learning is Changing e-Government

    Article • April 2019, ACM (Association for Computing Machinery)

    Charalampos Alexopoulos, Vasiliki Diamantopoulou

  26. The Evolving e-Governance Curriculum

    Article • April 2019, ACM (Association for Computing Machinery)

    DIMITRIS SARANTIS, Charalampos Alexopoulos