Get our free extension to see links to code for papers anywhere online!

Chrome logo Add to Chrome

Firefox logo Add to Firefox

Picture for Giovanni Da San Martino

Giovanni Da San Martino

Qatar Computing Research Institute, HBKU, Qatar

The Spread of Propaganda by Coordinated Communities on Social Media


Sep 27, 2021
Kristina Hristakieva, Stefano Cresci, Giovanni Da San Martino, Mauro Conti, Preslav Nakov


  Access Paper or Ask Questions

Overview of the CLEF-2019 CheckThat!: Automatic Identification and Verification of Claims


Sep 25, 2021
Tamer Elsayed, Preslav Nakov, Alberto Barr贸n-Cede帽o, Maram Hasanain, Reem Suwaileh, Giovanni Da San Martino, Pepa Atanasova

* CLEF-2019 
* Check-worthiness Estimation, Fact-Checking, Veracity, Evidence-based Verification, Fake News Detection, Computational Journalism, Disinformation, Misinformation. arXiv admin note: text overlap with arXiv:2012.09263 by other authors 

  Access Paper or Ask Questions

Findings of the NLP4IF-2021 Shared Tasks on Fighting the COVID-19 Infodemic and Censorship Detection


Sep 23, 2021
Shaden Shaar, Firoj Alam, Giovanni Da San Martino, Alex Nikolov, Wajdi Zaghouani, Preslav Nakov, Anna Feldman

* NLP4IF-2021 
* COVID-19, infodemic, harmfulness, check-worthiness, censorship, social media, tweets, Arabic, Bulgarian, English, Chinese 

  Access Paper or Ask Questions

Overview of the CLEF--2021 CheckThat! Lab on Detecting Check-Worthy Claims, Previously Fact-Checked Claims, and Fake News


Sep 23, 2021
Preslav Nakov, Giovanni Da San Martino, Tamer Elsayed, Alberto Barr贸n-Cede帽o, Rub茅n M铆guez, Shaden Shaar, Firoj Alam, Fatima Haouari, Maram Hasanain, Watheq Mansour, Bayan Hamdan, Zien Sheikh Ali, Nikolay Babulkov, Alex Nikolov, Gautam Kishore Shahi, Julia Maria Stru脽, Thomas Mandl, Mucahid Kutlu, Yavuz Selim Kartal

* CLEF-2021 
* Check-Worthiness Estimation, Fact-Checking, Veracity, Evidence-based Verification, Detecting Previously Fact-Checked Claims, Social Media Verification, Computational Journalism, COVID-19 

  Access Paper or Ask Questions

A Second Pandemic? Analysis of Fake News About COVID-19 Vaccines in Qatar


Sep 22, 2021
Preslav Nakov, Firoj Alam, Shaden Shaar, Giovanni Da San Martino, Yifan Zhang

* RANLP-2021 
* COVID-19, disinformation, misinformation, factuality, fact-checking, fact-checkers, check-worthiness, framing, harmfulness, social media platforms, social media 

  Access Paper or Ask Questions

Assisting the Human Fact-Checkers: Detecting All Previously Fact-Checked Claims in a Document


Sep 14, 2021
Shaden Shaar, Firoj Alam, Giovanni Da San Martino, Preslav Nakov

* detecting previously fact-checked claims, fact-checking, disinformation, fake news, social media, political debates 

  Access Paper or Ask Questions

Interpretable Propaganda Detection in News Articles


Aug 29, 2021
Seunghak Yu, Giovanni Da San Martino, Mitra Mohtarami, James Glass, Preslav Nakov

* RANLP-2021 
* propaganda, propaganda techniques, disinformation, misinformation, fake news, explainability, interpretability 

  Access Paper or Ask Questions

SemEval-2021 Task 6: Detection of Persuasion Techniques in Texts and Images


Apr 25, 2021
Dimitar Dimitrov, Bishr Bin Ali, Shaden Shaar, Firoj Alam, Fabrizio Silvestri, Hamed Firooz, Preslav Nakov, Giovanni Da San Martino

* SemEval-2021 
* propaganda, disinformation, misinformation, fake news, memes, multimodality 

  Access Paper or Ask Questions

The Role of Context in Detecting Previously Fact-Checked Claims


Apr 15, 2021
Shaden Shaar, Firoj Alam, Giovanni Da San Martino, Preslav Nakov

* detecting previously fact-checked claims, fact-checking, disinformation, fake news, social media, political debates 

  Access Paper or Ask Questions

Automated Fact-Checking for Assisting Human Fact-Checkers


Mar 13, 2021
Preslav Nakov, David Corney, Maram Hasanain, Firoj Alam, Tamer Elsayed, Alberto Barr贸n-Cede帽o, Paolo Papotti, Shaden Shaar, Giovanni Da San Martino

* fact-checking, fact-checkers, check-worthiness, detecting previously fact-checked claims, evidence retrieval 

  Access Paper or Ask Questions

A Survey on Multimodal Disinformation Detection


Mar 13, 2021
Firoj Alam, Stefano Cresci, Tanmoy Chakraborty, Fabrizio Silvestri, Dimiter Dimitrov, Giovanni Da San Martino, Shaden Shaar, Hamed Firooz, Preslav Nakov

* disinformation, misinformation, factuality, harmfulness, fake news, propaganda, multimodality, text, images, videos, network structure, temporality 

  Access Paper or Ask Questions

We Can Detect Your Bias: Predicting the Political Ideology of News Articles


Oct 11, 2020
Ramy Baly, Giovanni Da San Martino, James Glass, Preslav Nakov

* EMNLP-2020 
* Political bias, bias in news, neural networks bias, adversarial adaptation, triplet loss, transformers, recurrent neural networks 

  Access Paper or Ask Questions

Team Alex at CLEF CheckThat! 2020: Identifying Check-Worthy Tweets With Transformer Models


Sep 07, 2020
Alex Nikolov, Giovanni Da San Martino, Ivan Koychev, Preslav Nakov

* CLEF-2020 
* Check-worthiness; Fact-Checking; Veracity 

  Access Paper or Ask Questions

A Survey on Computational Propaganda Detection


Jul 15, 2020
Giovanni Da San Martino, Stefano Cresci, Alberto Barron-Cedeno, Seunghak Yu, Roberto Di Pietro, Preslav Nakov

* IJCAI-2020 
* propaganda detection, disinformation, misinformation, fake news, media bias 

  Access Paper or Ask Questions

Overview of CheckThat! 2020: Automatic Identification and Verification of Claims in Social Media


Jul 15, 2020
Alberto Barron-Cedeno, Tamer Elsayed, Preslav Nakov, Giovanni Da San Martino, Maram Hasanain, Reem Suwaileh, Fatima Haouari, Nikolay Babulkov, Bayan Hamdan, Alex Nikolov, Shaden Shaar, Zien Sheikh Ali

* CLEF-2020 
* Check-Worthiness Estimation, Fact-Checking, Veracity, Evidence-based Verification, Detecting Previously Fact-Checked Claims, Social Media Verification, Computational Journalism, COVID-19 

  Access Paper or Ask Questions

Fighting the COVID-19 Infodemic in Social Media: A Holistic Perspective and a Call to Arms


Jul 15, 2020
Firoj Alam, Fahim Dalvi, Shaden Shaar, Nadir Durrani, Hamdy Mubarak, Alex Nikolov, Giovanni Da San Martino, Ahmed Abdelali, Hassan Sajjad, Kareem Darwish, Preslav Nakov

* COVID-19, Infodemic, Disinformation, Misinformation, Fake News, Call to Arms, Crowdsourcing Annotations 

  Access Paper or Ask Questions

That is a Known Lie: Detecting Previously Fact-Checked Claims


May 12, 2020
Shaden Shaar, Giovanni Da San Martino, Nikolay Babulkov, Preslav Nakov

* ACL-2020 
* detecting previously fact-checked claims, fact-checking, disinformation, fake news, social media, political debates 

  Access Paper or Ask Questions

Prta: A System to Support the Analysis of Propaganda Techniques in the News


May 12, 2020
Giovanni Da San Martino, Shaden Shaar, Yifan Zhang, Seunghak Yu, Alberto Barr贸n-Cede帽o, Preslav Nakov

* ACL-2020 
* propaganda, disinformation, fake news, media bias, COVID-19 

  Access Paper or Ask Questions

Fighting the COVID-19 Infodemic: Modeling the Perspective of Journalists, Fact-Checkers, Social Media Platforms, Policy Makers, and the Society


Apr 30, 2020
Firoj Alam, Shaden Shaar, Alex Nikolov, Hamdy Mubarak, Giovanni Da San Martino, Ahmed Abdelali, Fahim Dalvi, Nadir Durrani, Hassan Sajjad, Kareem Darwish, Preslav Nakov


  Access Paper or Ask Questions

CheckThat! at CLEF 2020: Enabling the Automatic Identification and Verification of Claims in Social Media


Jan 21, 2020
Alberto Barron-Cedeno, Tamer Elsayed, Preslav Nakov, Giovanni Da San Martino, Maram Hasanain, Reem Suwaileh, Fatima Haouari

* CLEF-2018 ECIR-2020 
* Computational journalism, Check-worthiness, Fact-checking, Veracity, CLEF-2020 CheckThat! Lab 

  Access Paper or Ask Questions

Proppy: A System to Unmask Propaganda in Online News


Dec 14, 2019
Alberto Barr贸n-Cede帽o, Giovanni Da San Martino, Israa Jaradat, Preslav Nakov

* Thirty-Third AAAI Conference on Artificial Intelligence (AAAI-2019) 
* propaganda, disinformation, fake news 

  Access Paper or Ask Questions

Global Thread-Level Inference for Comment Classification in Community Question Answering


Nov 20, 2019
Shafiq Joty, Alberto Barr贸n-Cede帽o, Giovanni Da San Martino, Simone Filice, Llu铆s M脿rquez, Alessandro Moschitti, Preslav Nakov

* EMNLP-2015 
* community question answering, thread-level inference, graph-cut, inductive logic programming 

  Access Paper or Ask Questions

Experiments in Detecting Persuasion Techniques in the News


Nov 15, 2019
Seunghak Yu, Giovanni Da San Martino, Preslav Nakov

* NeurIPS-2019 workshop on AI for Social Good 
* arXiv admin note: substantial text overlap with arXiv:1910.02517 

  Access Paper or Ask Questions

Findings of the NLP4IF-2019 Shared Task on Fine-Grained Propaganda Detection


Oct 20, 2019
Giovanni Da San Martino, Alberto Barr贸n-Cede帽o, Preslav Nakov

* [email protected] 
* propaganda, disinformation, fake news. arXiv admin note: text overlap with arXiv:1910.02517 

  Access Paper or Ask Questions

Fine-Grained Analysis of Propaganda in News Articles


Oct 06, 2019
Giovanni Da San Martino, Seunghak Yu, Alberto Barr贸n-Cede帽o, Rostislav Petrov, Preslav Nakov

* EMNLP-2019 

  Access Paper or Ask Questions

Tanbih: Get To Know What You Are Reading


Oct 04, 2019
Yifan Zhang, Giovanni Da San Martino, Alberto Barr贸n-Cede帽o, Salvatore Romeo, Jisun An, Haewoon Kwak, Todor Staykovski, Israa Jaradat, Georgi Karadzhov, Ramy Baly, Kareem Darwish, James Glass, Preslav Nakov

* EMNLP-2019 

  Access Paper or Ask Questions

Team QCRI-MIT at SemEval-2019 Task 4: Propaganda Analysis Meets Hyperpartisan News Detection


Apr 06, 2019
Abdelrhman Saleh, Ramy Baly, Alberto Barr贸n-Cede帽o, Giovanni Da San Martino, Mitra Mohtarami, Preslav Nakov, James Glass

* Hyperpartisanship, propaganda, news media, fake news, SemEval-2018 

  Access Paper or Ask Questions

Overview of the CLEF-2018 CheckThat! Lab on Automatic Identification and Verification of Political Claims. Task 1: Check-Worthiness


Aug 08, 2018
Pepa Atanasova, Alberto Barron-Cedeno, Tamer Elsayed, Reem Suwaileh, Wajdi Zaghouani, Spas Kyuchukov, Giovanni Da San Martino, Preslav Nakov

* CLEF-2018 
* Computational journalism, Check-worthiness, Fact-checking, Veracity 

  Access Paper or Ask Questions

Cross-Language Question Re-Ranking


Oct 04, 2017
Giovanni Da San Martino, Salvatore Romeo, Alberto Barron-Cedeno, Shafiq Joty, Lluis Marquez, Alessandro Moschitti, Preslav Nakov

* SIGIR 2017: 1145-1148 
* SIGIR-2017; Community Question Answering; Cross-language Approaches; Question Retrieval; Kernel-based Methods; Neural Networks; Distributed Representations 

  Access Paper or Ask Questions

Building Chatbots from Forum Data: Model Selection Using Question Answering Metrics


Oct 02, 2017
Martin Boyanov, Ivan Koychev, Preslav Nakov, Alessandro Moschitti, Giovanni Da San Martino

* RANLP-2017 

  Access Paper or Ask Questions