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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 

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FANG: Leveraging Social Context for Fake News Detection Using Graph Representation

Aug 18, 2020
Van-Hoang Nguyen, Kazunari Sugiyama, Preslav Nakov, Min-Yen Kan


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Can We Spot the "Fake News" Before It Was Even Written?

Aug 10, 2020
Preslav Nakov

* Fake News, Disinformation, Media Bias, Propaganda, Infodemic, COVID-19 

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aschern at SemEval-2020 Task 11: It Takes Three to Tango: RoBERTa, CRF, and Transfer Learning

Aug 06, 2020
Anton Chernyavskiy, Dmitry Ilvovsky, Preslav Nakov

* SemEval-2020 
* propaganda, persuasion, disinformation, fake news 

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On a Novel Application of Wasserstein-Procrustes for Unsupervised Cross-Lingual Learning

Jul 18, 2020
Guillem Ramírez, Rumen Dangovski, Preslav Nakov, Marin Soljačić


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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 

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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 

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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 

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SemEval-2020 Task 12: Multilingual Offensive Language Identification in Social Media (OffensEval 2020)

Jun 12, 2020
Marcos Zampieri, Preslav Nakov, Sara Rosenthal, Pepa Atanasova, Georgi Karadzhov, Hamdy Mubarak, Leon Derczynski, Zeses Pitenis, Çağrı Çöltekin

* Proceedings of SemEval-2020 

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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 

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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 Barrón-Cedeño, Preslav Nakov

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

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What Was Written vs. Who Read It: News Media Profiling Using Text Analysis and Social Media Context

May 09, 2020
Ramy Baly, Georgi Karadzhov, Jisun An, Haewoon Kwak, Yoan Dinkov, Ahmed Ali, James Glass, Preslav Nakov

* ACL-2020 
* Factuality of reporting, fact-checking, political ideology, media bias, disinformation, propaganda, social media, news media 

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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


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Enriched Pre-trained Transformers for Joint Slot Filling and Intent Detection

Apr 30, 2020
Momchil Hardalov, Ivan Koychev, Preslav Nakov


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A Large-Scale Semi-Supervised Dataset for Offensive Language Identification

Apr 29, 2020
Sara Rosenthal, Pepa Atanasova, Georgi Karadzhov, Marcos Zampieri, Preslav Nakov


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Poor Man's BERT: Smaller and Faster Transformer Models

Apr 08, 2020
Hassan Sajjad, Fahim Dalvi, Nadir Durrani, Preslav Nakov

* 12 

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Compressing Large-Scale Transformer-Based Models: A Case Study on BERT

Feb 27, 2020
Prakhar Ganesh, Yao Chen, Xin Lou, Mohammad Ali Khan, Yin Yang, Deming Chen, Marianne Winslett, Hassan Sajjad, Preslav Nakov


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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 

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A Context-Aware Approach for Detecting Check-Worthy Claims in Political Debates

Dec 14, 2019
Pepa Gencheva, Ivan Koychev, Lluís Màrquez, Alberto Barrón-Cedeño, Preslav Nakov

* RANLP-2017 
* Check-worthiness; Fact-Checking; Veracity; Neural Networks. arXiv admin note: substantial text overlap with arXiv:1908.01328 

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Proppy: A System to Unmask Propaganda in Online News

Dec 14, 2019
Alberto Barrón-Cedeño, Giovanni Da San Martino, Israa Jaradat, Preslav Nakov

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

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SemEval-2013 Task 2: Sentiment Analysis in Twitter

Dec 14, 2019
Preslav Nakov, Zornitsa Kozareva, Alan Ritter, Sara Rosenthal, Veselin Stoyanov, Theresa Wilson

* SemEval-2013 
* Sentiment analysis, microblog sentiment analysis, Twitter opinion mining, SMS 

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Machine Translation Evaluation Meets Community Question Answering

Dec 06, 2019
Francisco Guzmán, Lluís Màrquez, Preslav Nakov

* Annual meeting of the Association for Computational Linguistics (ACL-2016) 
* community question answering, machine translation evaluation, pairwise ranking, learning to rank 

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SemEval-2014 Task 9: Sentiment Analysis in Twitter

Dec 06, 2019
Sara Rosenthal, Preslav Nakov, Alan Ritter, Veselin Stoyanov

* SemEval-2014 
* Sentiment analysis, microblog sentiment analysis, Twitter opinion mining, sarcasm, LiveJournal, SMS 

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Pairwise Neural Machine Translation Evaluation

Dec 05, 2019
Francisco Guzman, Shafiq Joty, Lluis Marquez, Preslav Nakov

* Conference of the Association for Computational Linguistics (ACL'2015) 
* machine translation evaluation, machine translation, pairwise ranking, learning to rank. arXiv admin note: substantial text overlap with arXiv:1710.02095 

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SemEval-2015 Task 10: Sentiment Analysis in Twitter

Dec 05, 2019
Sara Rosenthal, Saif M Mohammad, Preslav Nakov, Alan Ritter, Svetlana Kiritchenko, Veselin Stoyanov

* SemEval-2015 
* Sentiment analysis, sentiment towards a topic, quantification, microblog sentiment analysis; Twitter opinion mining 

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Towards Constructing a Corpus for Studying the Effects of Treatments and Substances Reported in PubMed Abstracts

Dec 04, 2019
Evgeni Stefchov, Galia Angelova, Preslav Nakov

* AIMSA-2016: The 17th International Conference on Artificial Intelligence: Methodology, Systems, Applications 
* medical relation extraction, rationale extraction, effects and treatments, bioNLP 

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SemEval-2016 Task 4: Sentiment Analysis in Twitter

Dec 03, 2019
Preslav Nakov, Alan Ritter, Sara Rosenthal, Fabrizio Sebastiani, Veselin Stoyanov

* SemEval-2016 
* Sentiment analysis, sentiment towards a topic, quantification, microblog sentiment analysis; Twitter opinion mining. arXiv admin note: text overlap with arXiv:1912.00741 

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SemEval-2016 Task 3: Community Question Answering

Dec 03, 2019
Preslav Nakov, Lluís Màrquez, Alessandro Moschitti, Walid Magdy, Hamdy Mubarak, Abed Alhakim Freihat, James Glass, Bilal Randeree

* SemEval-2016 
* community question answering, question-question similarity, question-comment similarity, answer reranking, English, Arabic. arXiv admin note: substantial text overlap with arXiv:1912.00730 

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SemEval-2017 Task 4: Sentiment Analysis in Twitter

Dec 02, 2019
Sara Rosenthal, Noura Farra, Preslav Nakov

* sentiment analysis, Twitter, classification, quantification, ranking, English, Arabic 

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SemEval-2017 Task 3: Community Question Answering

Dec 02, 2019
Preslav Nakov, Doris Hoogeveen, Lluís Màrquez, Alessandro Moschitti, Hamdy Mubarak, Timothy Baldwin, Karin Verspoor

* SemEval-2017 
* community question answering, question-question similarity, question-comment similarity, answer reranking, Multi-domain Question Duplicate Detection, StackExchange, English, Arabic 

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