Panayiotis Smeros

Data Analytics Researcher

Hey there! Welcome to this corner of the internet where you learn things about me!

I obtained my PhD degree from the École Polytechnique Fédérale de Lausanne (EPFL) where I was a member of the Distributed Information Systems Lab (LSIR), and my MSc and BSc degrees from the National and Kapodistrian University of Athens (NKUA) where I was a member of the Artificial Intelligence Lab (AI).

My research focuses on news analytics and particularly on scientific misinformation; I have proposed methods for combating online scientific misinformation at the claim, article, and source level, and coordinated the development of a real-time news analytics platform for investigating the media landscape at scale. I am broadly interested in the research areas of Misinformation, Fact-Checking, Computational Journalism, Data Analysis, Machine Learning, Natural Language Processing, and Semantic Web.


Research & Development
  • NewsTeller: Real-Time News Analytics Platform
    2019 - 2022
  • SciClops - SciLens - SciLander: Methods for Combating Online Scientific Misinformation
    2017 - 2022
  • Silk: Linked Data Integration Framework
    2015 - 2016
  • Strabon: Semantic SpatioTemporal RDF Store
    2012 - 2015
Teaching Assistance
Conferences & Journals
Research Visits
EU & Swiss Projects

Selected Publications

[ICWSM'23] M. Gruppi, P. Smeros, S. Adali, C. Castillo, K. Aberer. SciLander: Mapping the Scientific News Landscape. [pdf, bib]

[CIKM'21] P. Smeros, C. Castillo, K. Aberer. SciClops: Detecting and Contextualizing Scientific Claims for Assisting Manual Fact-Checking. [pdf, slides, bib]

[VLDB'20] A. Romanou, P. Smeros, C. Castillo, K. Aberer. SciLens News Platform: A System for Real-Time Evaluation of News Articles. [pdf, bib]

[WWW'19] P. Smeros, C. Castillo, K. Aberer. SciLens: Evaluating the Quality of Scientific News Articles Using Social Media and Scientific Literature Indicators. [pdf, slides, bib]

[AAAI'17] M.A. Sherif, K. Dreßler, P. Smeros, A.-C. Ngonga Ngomo. Radon - Rapid Discovery of Topological Relations. [pdf]

[LDOW'16] P. Smeros, M. Koubarakis. Discovering Spatial and Temporal Links among RDF Data. [pdf, slides]

[ESWC'13] K. Bereta, P. Smeros, M. Koubarakis. Representing and Querying the Valid Time of Triples for Linked Geospatial Data. [pdf]

Here is the full list of my publications, and my DBLP and Google Scholar profiles.
You can also check our discussion on What is fake news? at the podcast series "Lefteris asks science".


École Polytechnique Fédérale de Lausanne

PhD Student
Thesis: Combating Online Scientific Misinformation
2016 - 2022

National and Kapodistrian University of Athens

MSc & BSc Student
MSc Specialization: Advanced Information Systems
MSc Thesis: Discovering Spatial and Temporal Links among RDF Data
BSc Specialization: Computer Systems and Applications
BSc Thesis: Storing RDF data and evaluating SPARQL queries using MapReduce
Supervisor: Manolis Koubarakis
2007 - 2014


2nd Rank in Kaggle Competition


10 Random Facts About Me

  • I spent my teenage summers working as a house-painter
  • I am an active supporter of several independent journalists, musicians, directors, comedians, and comics artists
  • One of my favourite movie quotes is "what really matters is what you like, not what you are like"
  • One of my favourite song lyrics is "free as a bird, free as the wind, clear like water that flows from the mountain"
  • I almost missed a return flight from Australia because I had an important meeting with a quokka
  • I enjoy preparing graduation videos for my friends featuring pop-culture references and (non)celebrities
  • I have a left-handed guitar and that is only one of the things that we have in common with Jimi Hendrix
  • I am a part(y)-time DJ and a recurrent president of the funkiest student association
  • I have the honor to be a blood donor
  • They call me Punayiotis intendedly because I like puns