An end-to-end Air Quality DataOps pipeline that collects, transforms, and predicts pollutant concentrations in Thessaloniki, Greece. Uses open data from the European Environment Agency and meteorological sources, with interactive visualizations for pollutants and weather variables.
A machine learning project analyzing IBM’s Telco dataset.
SQL-based exploration of e-commerce user behavior using Google Analytics data in BigQuery.
Analysis of the Data Analyst job market in the UK to identify the most in-demand and highest-paying skills.
A thematic visualization focusing on funding distribution within U.S. federal departments, highlighting key topics across programs.
Analysis of WHO data to explore long-term mortality trends across major causes of death in Greece.
Statistical analysis of an A/B test comparing two user experience designs for completion rates, engagement, and efficiency.
A web-based task management app built with Django for tracking and organizing team workflows.
Interactive D3.js visualization illustrating fiber and sugar content in foods, highlighting gut health relationships.
Chart illustrating dietary intake trends across different Greek age groups.
Interactive map visualizing Greece’s population density using H3 hexagonal grid data from the Kontur Population dataset (2023).
Mapping project visualizing Caretta caretta turtle occurrences across Greece using environmental data pipelines.
A hexbin map showing the ratio of the 15-29 age group to the total population in Greek municipal units.
A retrieval-augmented generation framework using emotional cues and in-context learning to detect cross-domain misinformation. Extended the original RAEmoLLM framework for misinformation detection by combining sentiment valence and certainty scores.