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Manolis Koubarakis is a Professor and Director of Graduate Studies at the Department of Informatics and Telecommunications, National and Kapodistrian University of Athens. He is affiliated with the Archimedes Unit at Athena Research Center and is a member of ELLIS. His research focuses on Artificial Intelligence and Data Science, particularly in Linked Geospatial Data, Earth Observation, and Knowledge Graphs. Education: PhD in Computer Science (National Technical University of Athens), M.Sc. in Computer Science (University of Toronto), and B.Sc. in Mathematics (University of Crete). Research Interests: His work spans AI applications in geospatial data, entity resolution, ontology-based data access (OBDA), and semantic web technologies. He leads projects like ExtremeEarth (AI for Copernicus data) and LEO (linked Earth Observation data). Awards: 2015: Fellow of the European Association of Artificial Intelligence (EurAI) 2022: Best Demo Award at CIKM for Copernicus App Lab Advising & Grants: Supervises students in AI and data science. Collaborates on EU-funded projects like BigDataEurope and participates in initiatives like the Standing Scientific Committee for AI in Greece's justice system. Labs & Teams: Heads the AI Lab (ai.di.uoa.gr) and contributes to the MaDgIK group, focusing on data and knowledge management systems.

• Artificial Intelligence
• Data Science
• Linked Data
• +3 more

Professor Manolis Koubarakis is a faculty member at the Department of Informatics and Telecommunications, National and Kapodistrian University of Athens. His research focuses on geospatial data science, knowledge graphs, entity resolution, and AI applications in Earth observation. He leads projects like ExtremeEarth and Plato, advancing semantic data cube systems and geospatial question answering engines. His work bridges AI and geospatial technologies, with contributions to frameworks like pyJedAI and Strabo 2 for managing big geospatial data. Research Interests include: Geospatial Question Answering Systems Entity Resolution and Entity Linking Ontology-Based Data Access (OBDA) Knowledge Graph Construction and Applications Earth Observation Data Analytics AI for Geoinformatics Notable Projects: ExtremeEarth: Combines Copernicus satellite data with machine learning for environmental analytics. Plato: Semantic data cube system enabling advanced querying of multidimensional datasets. GeoQA2: A geospatial question answering engine evaluated on large benchmarks. JedAI Family: Tools for scalable entity resolution in structured/semi-structured data. His publications span 20+ years, with recent emphasis on: AI-driven Earth observation systems Geospatial RDF benchmarking 3D geospatial interlinking Large language models for legal and health content delivery

• Artificial Intelligence
• Geospatial Data Science
• Knowledge Graphs
• +5 more

Prof. Antonios Karampatzos is a distinguished academic at the National and Kapodistrian University of Athens (NKUA), serving as Professor of Private Law and Law & Economics within its Law Faculty since 2007. He concurrently holds visiting professorships at the University of Piraeus and the University of Oxford. His academic journey includes postgraduate studies at NKUA (LL.B., 2000), an LL.M. and summa cum laude PhD (2004) from the University of Tübingen (Germany), followed by post-doctoral research at University College London. Education: NKUA Law School (LL.B., 2000) University of Tübingen (LL.M., 2004) University of Tübingen (PhD, 2004 – 'Vom Vertrag mit Schutzwirkung für Dritte...') Post-doctoral research at UCL Institute of Advanced Legal Studies (2004–2005) His research focuses on private law , legal theory , and behavioral law & economics , with particular emphasis on contractual obligations, consumer protection, and crisis-driven legal adaptations. He has authored eight books, including Private Law, Nudging and Behavioral Economic Analysis (2020), and over 30 peer-reviewed articles. Prof. Karampatzos has participated in numerous international conferences and legal advisory roles, including drafting legal opinions for public and private entities. Notable achievements include his Special Award at the ICC Mediation Competition (2013) and academic contributions to EU consumer protection frameworks. He is a certified mediator and active member of the Athens Bar Association. Key Professional Activities: Visiting Scholar, UC Berkeley (2015) Academic Visitor, Oxford University (Jurisprudence) Speaker at King’s College London, Oxford University, and global legal forums His work bridges theoretical legal analysis with practical applications, addressing modern challenges such as pandemic-era contract law, digital consumer rights, and behavioral economic interventions in legal frameworks.

• Private Law
• Legal Theory
• Jurisprudence
• +4 more

Professor Theodoridis Ioannis is a distinguished faculty member in the Department of Informatics at the University of Piraeus, where he serves as Director of the Data Science Laboratory within the School of Information and Communication Technologies. With a career spanning over two decades, he has established himself as a leading expert in data management and analysis. His research interests focus on Data Science, particularly in databases, big data management, data mining, and geoinformatics. Professor Theodoridis has made significant contributions to spatial database systems, time series analysis, and distributed data processing. His work bridges theoretical foundations with practical applications in areas such as smart cities, mobility analytics, and scientific data management. His publication record demonstrates consistent research productivity with over 100 peer-reviewed articles in top-tier venues, accumulating more than 10,000 citations. His research output shows a clear evolution from foundational database techniques toward contemporary challenges in big data analytics, machine learning integration, and privacy-preserving methods. Member of editorial board of ACM Computing Surveys (since 2016) Reviewer for numerous international journals and conferences Active participant in data management conference committees Professor Theodoridis has secured significant research funding through Horizon 2020 projects, serving as project coordinator and research team leader since 2001. His work demonstrates strong industry and academic collaboration, with applications spanning multiple domains. He has also co-authored three influential monographs in his field. He leads the Data Science Laboratory, which serves as a hub for interdisciplinary research at the intersection of database systems, machine learning, and domain-specific applications. The laboratory fosters collaboration between computer scientists, domain experts, and industry partners to address real-world data challenges.

• Data Science
• Databases
• Big Data Management
• +3 more

Vasilis Efthymiou is an Assistant Professor at the Department of Informatics and Telematics at Harokopio University of Athens (HUA), Greece. His research focuses on Big Data database systems, entity resolution, knowledge graphs, and machine learning applications. He has held postdoctoral positions at IBM Research and FORTH-ICS, and contributed to initiatives like the SemTab challenges and TaDA workshops. Education: Diploma in Computer Science (2010), University of Crete. Masters in Information Systems and Bioinformatics (2012), University of Crete. PhD in Entity Resolution in the Web of Data (2017), University of Crete. Research Interests: Efthymiou’s work emphasizes scalable entity resolution techniques, fairness-aware AI systems, and knowledge graph integration. He explores applications in cybersecurity, natural language interfaces, and privacy-preserving data analytics. Recent projects include automated entity resolution pipelines (e.g., TREATS) and hybrid graph neural networks for entity alignment (HybEA). Publications: His 60+ papers span venues like VLDB, SIGMOD, and AAAI. He co-authored two books and holds four US patents in data systems. Notable works include surveys on end-to-end entity resolution and fairness-aware entity resolution tools. Grants & Labs: He co-organized international workshops (e.g., TaDA) and contributed to benchmarking systems like SemTab. His team develops tools like FairER and pyJedAI, emphasizing open-source solutions for data integration challenges.

• Big Data
• Database Systems
• Entity Resolution
• +7 more

Antonios G. Karampatzos is Professor of Private Law and Law & Economics at the Law School of National and Kapodistrian University of Athens (NKUA), with a concurrent appointment as Visiting Professor at the University of Piraeus since 2014. His academic trajectory includes undergraduate studies at NKUA (2000), followed by an LL.M. and PhD earned summa cum laude from Universität Tübingen, Germany (2004), and post-doctoral research at University College London. His research integrates private law with behavioral economics and legal theory, focusing on: Contract law adaptation in economic crises Behavioral analysis of consumer protection frameworks Jurisprudential foundations of negotiation and claim-rights Comparative analysis of European private law systems Economic efficiency in legal design Karampatzos has received notable distinctions including his PhD summa cum laude and a special coaching award at the 2013 ICC International Commercial Mediation Competition. As an Accredited Mediator and Athens Bar member, he actively consults for governmental and corporate entities on private law matters and arbitration.

• Private Law
• Legal Theory
• Jurisprudence
• +2 more

Andreas Nikolopoulos serves as Professor of Industrial Relations and Conflict Management at the Department of Business Administration, School of Business, Athens University of Economics and Business (AUEB) since 2002. He pioneered AUEB's innovative Diploma in Negotiations program in 2012, which expanded to distance learning in Greek by 2013 with planned international English delivery. His academic credentials include: BA in Business Administration from Athens University of Economics and Business Postgraduate studies in Business Administration from Tübingen Universität (West Germany) PhD in Business Policy from Freie Universität Berlin (West Germany) Professor Nikolopoulos' research centers on industrial relations systems, strategic conflict resolution, and negotiation dynamics within European contexts. His work critically examines: Power structures in organizational decision-making Machiavellianism and risk propensity in bargaining EU policy impacts on labor relations Trade union evolution during economic crises Political tactics in career advancement His publication record (2010-2019) reveals consistent thematic focus on negotiation strategy optimization and Greek industrial relations transformation. Key trends include empirical analysis of initiation behaviors in multiparty negotiations, political skill applications in career contexts, and crisis-driven adaptations in labor systems. The EU's regulatory influence emerges as a cross-cutting concern across his industrial relations research. With over 200 successful mediation outcomes, he has provided conflict resolution expertise for major entities including IBM, Nestlé, Greek Banks, Lufthansa, Olympic Airways, and National Insurance Company. His practical work directly informs the applied curriculum of AUEB's negotiation programs.

• Industrial Relations
• Conflict Management
• Negotiations
• +3 more

Serafeim Chatzopoulos is a Researcher at the Information Management Systems Institute (IMSI) of the ATHENA Research Center since 2014 and a software engineer at OpenAIRE AMKE since 2022. He holds a PhD in Computer Science from the University of the Peloponnese (2022), an MSc in Computer Systems, and a BSc in Informatics and Telecommunications from the University of Athens. His research focuses on data mining, scientific databases, scientometrics, and big data management, with notable contributions to systems like OpenAIRE Graph and BIP! Finder. His work emphasizes improving academic search engines, citation analysis, and researcher assessment tools. Key projects include developing algorithms for expert recommendation (VeTo toolkit), impact-based literature search (BIP! Finder), and scalable data science tools like SciNeM and SmartDataLake. He has collaborated on EU and national research initiatives, leveraging technologies such as Apache Spark, Java, and React.js. Chatzopoulos has co-authored over 30 publications in venues like TPDL, WWW, and VLDB, addressing challenges in scientific impact measurement, metadata integration, and open science infrastructure. His PhD dissertation explored data mining in scholarly networks under Prof. Christos Tryfonopoulos' supervision. He remains active in advancing tools for academic transparency and reproducibility, including narrative CV frameworks and article deduplication systems.

• Data Mining
• Scientific Databases
• Scientometrics
• +5 more

Dimitrios Karapiperis serves as an Academic Scholar at the School of Science and Technology, International Hellenic University (IHU), specializing in Entity Resolution and Privacy-Preserving Record Linkage. Previously, he held a post-doctoral position at the Hellenic Open University. He earned his PhD from the Hellenic Open University and his MSc from the University of York (UK). His doctoral thesis was featured in the IEEE Intelligent Informatics Bulletin of August 2017, highlighting its significance in the field. Dr. Karapiperis' research centers on developing advanced algorithms for entity resolution, including similarity measures, data structures, and scalable distributed solutions using randomization techniques. His work extends to privacy-preserving methods for record linkage with applications in electronic health records, cryptocurrency analysis, and social media sentiment. He has made significant contributions to efficient record linkage in data streams and spatio-temporal data through innovative blocking techniques and approximation schemes. His recent publications (2020-2022) reveal a consistent focus on scalable and privacy-aware record linkage, with increasing applications in financial technology and affective computing. Collaborations with prominent researchers like V.S. Verykios have resulted in numerous publications in top venues including IEEE Big Data and IEEE TIFS, demonstrating expertise in both theoretical foundations and practical implementations. Scientific Recognition Doctoral thesis featured in IEEE Intelligent Informatics Bulletin (2017) Research Projects University of York: Development of Java servlets for converting VisioXML into GSML within the High Integrity Systems Engineering research group University of Macedonia: Standardization of distance learning systems University of Macedonia: Establishment of a data bank for the fur sector in Kastoria University of Macedonia: System for organizing business processes of the Ministry of Macedonia and Thrace Dr. Karapiperis has collaborated with research teams across multiple institutions, contributing to diverse projects from healthcare data integration to government business process optimization, while maintaining active research in scalable entity resolution methodologies.

• Entity Resolution
• Record Linkage
• Privacy-Preserving Record Linkage
• +3 more