Current Projects

AI4Greenwashing (2025–Present, Archimedes Flagship)
Designed KG- and RAG-powered tools & datasets for greenwashing detection in sustainability claims. Developed EmeraldMind framework combining knowledge graphs with retrieval-augmented generation for detecting false environmental claims.

MarinerMuse II (2025–Present, Coordinator)
Upgraded maritime analytics tool for operational deployment on Corinth Canal. Advanced analytics platform for vessel traffic monitoring and operational optimization.

Optimising Athens Metro (2025–Present, Coordinator)
Analytics & optimization study for Metro Lines 2 & 3 (STASY). Comprehensive data analysis to improve operational efficiency and passenger experience.

Completed Projects

Data for Social Good (2023–2024, Coordinator)
Led cross-disciplinary teams producing five data-driven tools:

DataBri-X and UNDERPIN (2024–2025, EU Horizon)
Contributing the KnowDE knowledge-graph recommender module for intelligent data asset discovery in semantically-enabled data spaces.

MORE (2021–2023, H2020 GA 957345)
Big-data analytics and knowledge-graph mining platform. Developed scalable infrastructure for processing and analyzing large-scale heterogeneous data sources.

KnowDE (2020–Present)
Creator & maintainer of a knowledge-based data-exploration recommender platform. Open-source tool for intelligent data discovery using knowledge graphs.

MEDA.2 (2020–2021, National)
Knowledge-based data exploration system for heterogeneous data sources.

INODE (2020, H2020 GA 863410)
Interactive natural-language access to heterogeneous data. Developed NLP interfaces for querying complex databases using natural language.

VR-Park (2018–2020, National)
VR analytics and visitor-experience optimization. Developed virtual reality applications for cultural heritage sites with visitor behavior analysis.

CitySense (2017–2019, National)
Urban visualization & geospatial data aggregation platform. Integrated multiple data sources for comprehensive urban area profiling and analysis.

Analysis of Twitter Usage in Greece (2017)
Published within the 59th socio-political Subscription Survey TASIS (MRB Hellas, June 2017). Comprehensive analysis of social media patterns and user behavior.

DIACHRON and KAME (2015–2017)
Knowledge-based analysis of fake-news detection and monitoring in social networks. Early research on credibility assessment and misinformation detection.

MEDA (2014–2016, National)
Knowledge-based recommendations for social networks. Developed recommendation algorithms leveraging knowledge graphs and social network analysis.

RealEstate 2.0 (2014–2015, National)
Infrastructure for mining, collecting, integrating, and consolidating real-estate-related data from administrative sources, tourism websites, and social-media pages.

Twitter Spam Detector (2014)
Developed early spam-user detection tool for Twitter. Part of diploma thesis on analyzing and classifying Twitter users.