Panayiotis Smeros

Postdoctoral Fellow at the University of Bern (He/Him)

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

I am Panayiotis, a computer scientist specializing in developing systems with societal impact within collaborative and interdisciplinary environments. I have expertise in applying Natural Language Processing, Machine Learning, and Semantic Inference methods to analyze heterogeneous data, including interview transcripts, social and news media, and scientific publications.

Currently, I am a Postdoctoral Fellow at the University of Bern (UniBE) exploring the usage of Large Language Models in Sociology. I obtained my PhD degree from the École Polytechnique Fédérale de Lausanne (EPFL), and my MSc and BSc degrees from the University of Athens (UoA).


Experience

Natural Language Processing Researcher

As a researcher at UniBE, I specialize in developing innovative methods for modeling and quantifying the morality evolution in interview transcripts.

Since 2023

Machine Learning Researcher

As a researcher at EPFL, I specialized in developing innovative methods for combating online scientific misinformation, leading to publications at top-tier conferences (CIKM, WWW, and ICWSM). Furthermore, I coordinated master and PhD students and software engineers on the development of a real-time news analytics platform for investigating the media landscape at scale.

2016 - 2022

Semantic Web Researcher

As a researcher at UoA, I specialized in developing innovative methods for geospatial and temporal retrieval and link discovery, leading to publications at top-tier conferences (LDOW, ESWC, and AAAI).

  • Expertise
    • Knowledge Graphs, Semantic Inference, Rule Reasoning, Ontology Engineering
    • RDF, OWL, XML, PostgreSQL, PostGIS, MySQL, Java, Scala, C/C++, CUDA, MPI, Prolog
  • Research & Development
    • Silk: Linked Data Integration Framework
    • Strabon: Semantic SpatioTemporal RDF Store
  • Projects
    • LEO: Linked Open Earth Observation Data for Precision Farming
    • MELODIES: Maximising the Exploitation of Linked Open Data In Enterprise and Science
    • TELEIOS: Virtual Observatory Infrastructure for Earth Observation Data
2013 - 2015

Academic Community Member

Since 2013

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.

Education

PhD Student

Thesis: Combating Online Scientific Misinformation
2016 - 2022

MSc Student

Thesis: Discovering Spatial and Temporal Links among RDF Data
Supervisor: Manolis Koubarakis
2011 - 2014

BSc Student

Thesis: Storing RDF data and evaluating SPARQL queries using MapReduce
Supervisor: Manolis Koubarakis
2007 - 2011

Honors & Awards

Interview on What Is Fake News?

Scientific Podcast Series Lefteris Asks Science
2021

2-Year Funding for Project SciLens

2019

2-Year Support for Project SciLens

2019

2nd Rank in ML Text Classification

2016

Other Me

  • 5-Year Recurring President of the Greek Student Association of Lausanne
  • Supporter of Independent Journalists, Musicians, Directors, Comedians, and Comics Artists
  • Green Transportation Advocate (Walker & Biker)
  • Blood Donor
  • Body Combat & Body Pump Enthusiast
  • (Winter) Swimmer
  • Part(y)-Time DJ
  • Left-Handed Guitar Player