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List of works by Charalampos Alexopoulos

A 360-Degree Model for Prioritizing Smart Cities Initiatives, with the Participation of Municipality Officials, Citizens and Experts

A Chatbot Generator for Improved Digital Governance

A Classification of Future Internet Enterprise Systems Projects

scientific article published in 2012

A Framework for the Multi-Dimensional Assessment of Interoperability for Open Data Ecosystems Development

scientific article published on 16 December 2024

A Methodology for Evaluating Advanced Legal Data Infrastructures

A Methodology for Evaluating PSI E-infrastructures Based on Multiple Value Models

scientific article published in October 2012

A Methodology for Participatory Planning of Smart City Interventions

A Platform for Closing the Open Data Feedback Loop Based on Web2.0 Functionality

scientific article published on 14 November 2014

A Structured Analysis of Domain-Specific Linked Open Vocabularies (LOV): Indicators for Interoperability and Reusability

A Taxonomy for Analysing Smart Cities Developments in Greece

A Taxonomy of Smart Cities Initiatives

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

A framework of open government data (OGD) e-service quality dimensions with future research agenda

A functional and semantic analysis of artefact representation schemata in folklore museum websites

scientific article published in 2022

A functional and semantic analysis of artifact representation schemata in folklore museum websites

scientific article published in January 2023

A methodology for determining the value generation mechanism and the improvement priorities of open government data systems

scientific article published in 2016

A taxonomy of open government data research areas and topics

scientific article published on 4 January 2016

A user-centred analysis of decision support requirements in legal informatics

An Open Data and Open Services Repository for Supporting Citizen-Driven Application Development for Governance

An Open Data and Open Services Repository for Supporting Citizen-Driven Application Development for Governance

scientific article published in January 2016

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

Analysing Legal Information Requirements for Public Policy Making

Analysing the Characteristics of Open Government Data Sources in Greece

scientific article published on 30 September 2015

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

Analyzing Open Government High Value Datasets: Availability, Publishers’ Contribution and Technical Specifications

Application of Deep Reinforcement Learning in Traffic Signal Control: An Overview and Impact of Open Traffic Data

Application of Deep Reinforcement Learning in Traffic Signal Control: An Overview and Impact of Open Traffic Data

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

Architecture and Evaluation of an Advanced Legal Information Platform—Enhancing Productivity of Modern Legal Work

Are creative users more apt in reusing and adopting Open Government Data (OGD)? Gender differences

scientific article published in June 2024

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

Assessing the Correlation between Citizen Science and Carbon Footprint: Introduction of COMPAIR’s CO2 Calculator

Assessing the availability and interoperability of open government data (OGD) supporting sustainable development goals (SDGs) and value creation in the gulf cooperation council (GCC)

scientific article published on 19 December 2024

Assessing the failure of Open Government Data initiatives in Brazil

Assessing the quality of e-Government services for entrepreneurship

Automated Analysis and Interrelation of Legal Elements Based on Text Mining

BRYT: Automated keyword extraction for open datasets

scientific article published in September 2024

Barriers towards Open Government Data Value Co‐Creation: An empirical investigation

Benchmarking Open Government Data (OGD) Curriculum in Universities

Benefits and Obstacles of Blockchain Applications in e-Government

Blockchain in Digital Government: Research Needs Identification

ChatGPT Application Vis-A-Vis Open Government Data (OGD): a Research Agenda

scientific article published in 2023

ChatGPT Application vis-a-vis Open Government Data (OGD): Capabilities, Public Values, Issues and a Research Agenda

Chatbot Technology Assessment: 40 Cases from Greece

Clustering legal artifacts using text mining

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

Designing a Second Generation of Open Data Platforms: Integrating Open Data and Social Media

scientific article published in 2014

Digital Governance Education: Survey of the Programs and Curricula

Do Trust and Quality Dimensions of Open Government Data (OGD) Impact Knowledge Sharing (KS)?: Gender Differences

Do open government data (OGD) portals show signs of knowledge management (KM) practices?: an empirical investigation

scientific article published on 21 November 2023

Do personality traits influence the user’s behavioral intention to adopt and use Open Government Data (OGD)? An empirical investigation

scientific article published in March 2024

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

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

Evaluating Second Generation Cross-Country Open Legal Data Infrastructures Using Value Models

Evaluating Second Generation Open Government Data Infrastructures Using Value Models

scientific article published in January 2014

Framework for Federated Learning Open Models in e-Government Applications

Gamification in Public Service Provisioning: Investigation of Research Needs

Government in the metaverse: Requirements and suitability for providing digital public services

scientific article published in June 2024

How Blockchain Technology Changes Government

How Machine Learning is Changing e-Government

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

Identification of High-Value Dataset determinants: is there a silver bullet for efficient sustainability-oriented data-driven development?

Identification of Public Service Logic ( PSL ) and Public Service Motivation ( PSM ) elements in Open Government Data ( OGD ) initiatives

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

Integration of IoT into e-government

Integration of artificial intelligence of things (AIoT) in the public sector: drivers, barriers and future research agenda

Introduction to the Minitrack on Data-driven Government: Creating value from Big and Open Linked Data

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

scientific article published on 09 June 2021

Metadata quality matters in open government data (OGD) evaluation! An empirical investigation of OGD portals of the GCC constituents

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

Natural Language Processing (NLP)-Powered Legal A(t)Ms (LAMs) in India: Possibilities and Challenges

Open Data Directives and Policies

Open Data Evaluation Models: Theory and Practice

Open Data Infrastructures

Open Data Interoperability

Open Data Value and Business Models

Open Data as a Condition for Smart Application Development: Assessing Access to Hospitals in Croatian Cities

Open Government Data (OGD) Research: Retrospection and Forethoughts

scientific article published on 19 July 2022

Open Government Data: Areas and Directions for Research

Open data movement in Greece

scientific article published on 19 September 2013

Organizational Issues: How to Open Up Government Data?

Scientific foundations training and entrepreneurship activities in the domain of ICT-enabled governance

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

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

scientific article published on 24 November 2023

The Evolving e-Governance Curriculum

The Importance Of Open Data Accessibility For Multimodal Travel Improvement*

The Multiple Life Cycles of Open Data Creation and Use

The Open Data Landscape

The Three Generations of Electronic Government: From Service Provision to Open Data and to Policy Analytics

The World of Open Data

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

Towards High-Value Datasets Determination for Data-Driven Development: A Systematic Literature Review

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

Towards Smart Cities 4.0: Digital Participation in Smart Cities Solutions and the Use of Disruptive Technologies

Towards value-creating and sustainable open data ecosystems: A comparative case study and a research agenda

scientific article published on 23 December 2021

Tracking the Evolution of OGD Portals: A Maturity Model

scientific article published in 2017

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

Use Case Scenarios on Legal Text Mining

User-centric decision support system design in legal informatics

Using Disruptive Technologies in Government: Identification of Research and Training Needs

Value co‐creation (VCC) and value co‐destruction (VCD) via open government data (OGD): Empirical case of Tanzania

scientific article published on 19 February 2024

Whither the need and motivation for open government data (OGD) promotional strategies?

Why do Open Government Data initiatives fail in developing countries? A root cause analysis of the most prevalent barriers and problems