World news finder: How we cope without the semantic web. - Leonidas Kallipolitis; Vassilis Karpis; Isambo Karali (Artificial Intelligence and Applications, 2007)

Semantic search in the World News domain using automatically extracted metadata files. - Leonidas Kallipolitis; Vassilis Karpis; Isambo Karali (Knowl. Based Syst., 2012)

Ensuring Trustworthiness and Security in Service Compositions. - Vasilios Tountopoulos; Ira Giannakoudaki; Konstantinos Giannakakis; Lefteris Korres; Leonidas Kallipolitis (CSP Forum, 2014)

Supporting Security and Trust in Complex e-Government Services. - Vasilis Tountopoulos; Ira Giannakoudaki; Konstantinos Giannakakis; Lefteris Korres; Leonidas Kallipolitis (Secure and Trustworthy Service Composition, 2014)

The "EU Community" Project - Coupling the Power of Data with Community Expertise. - Antonis Ramfos; Akrivi Kiousi; Miltiadis Kokkonidis; Christophe Leclercq; David Mekkaoui; Maxime Sattonnay; Manolis Maragoudakis; Aggeliki Androutsopoulou; Yannis Charalabidis; Jörn Kohlhammer; Tobias Ruppert; Hendrik Lücke-Tieke; et al. (EEPM@eGOV, 2015)

BigDataStack: A Holistic Data-Driven Stack for Big Data Applications and Operations. - Dimosthenis Kyriazis; Christos Doulkeridis; Panagiotis Gouvas; Ricardo Jiménez-Peris; Ana Juan Ferrer; Leonidas Kallipolitis; Pavlos Kranas; George Kousiouris; Craig Macdonald; Richard McCreadie; Yosef Moatti; Apostolos Papageorgiou; et al. (BigData Congress, 2018)

Towards Specification of a Software Architecture for Cross-Sectoral Big Data Applications. - Ioannis Arapakis; Yolanda Becerra 001; Omer Boehm; George Bravos; Vasilis Chatzigiannakis; Cesare Cugnasco; Giorgos Demetriou; Iliada Eleftheriou; Julien-Etienne Mascolo; Lidija Fodor; Sotiris Ioannidis; Dusan Jakovetic; et al. (SERVICES, 2019)

Supporting the Wellness at Work and Productivity of Ageing Employees in Industrial Environments: The sustAGE Project. - Maria Pateraki; Manolis I. A. Lourakis; Leonidas Kallipolitis; Frank Werner 003; Petros Patias; Christos Pikridas (ERCIM News, 2019)

Big Data Analytics in the Banking Sector: Guidelines and Lessons Learned from the CaixaBank Case. - Andreas Alexopoulos; Yolanda Becerra 001; Omer Boehm; George Bravos; Vasilis Chatzigiannakis; Cesare Cugnasco; Giorgos Demetriou; Iliada Eleftheriou; Lidija Fodor; Spiros Fotis; Sotiris Ioannidis; Dusan Jakovetic; et al. (Technologies and Applications for Big Data Value, 2022)

Big Data Analytics in the Manufacturing Sector: Guidelines and Lessons Learned Through the Centro Ricerche FIAT (CRF) Case. - Andreas Alexopoulos; Yolanda Becerra 001; Omer Boehm; George Bravos; Vasilis Chatzigiannakis; Cesare Cugnasco; Giorgos Demetriou; Iliada Eleftheriou; Spiros Fotis; Gianmarco Genchi; Sotiris Ioannidis; Dusan Jakovetic; et al. (Technologies and Applications for Big Data Value, 2022)

Cybersecurity for Industrial Internet of Things: Architecture, Models and Lessons Learned. - George Bravos; Antonio J. Cabrera; Camilo Correa; Dragan Danilovic; Nikolaos Evangeliou; Gilad Ezov; Zoran Gajica; Dusan Jakovetic; Leonidas Kallipolitis; Milan Lukic; Julien-Etienne Mascolo; Davide Masera; et al. (IEEE Access, 2022)