Konstantin Todorov

2026

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The CLEF-2026 CheckThat! Lab: Advancing Multilingual Fact-Checking.
Primakov Chungkham|Hossein Nasr Esfahani|Julia Maria Struß|Javid Dadashkarimi|Salim Hafid|Sebastian Schellhammer|Azadeh Shakery|Dhruv Sahnan|Stefan Dietze|Venktesh V.|Vinay Setty|Tanmoy Chakraborty|Preslav Nakov|Avishek Anand|Primakov Chungkham|Hossein Nasr Esfahani|Javid Dadashkarimi|Salim Hafid|Dhruv Sahnan|Azadeh Shakery|Konstantin Todorov
Advances in Information Retrieval - 48th European Conference on Information Retrieval, ECIR 2026, Delft, The Netherlands, March 29 - April 2, 2026, Proceedings, Part IV
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Linguistic Signatures for Enhanced Emotion Detection.
Florian Lecourt|Madalina Croitoru|Konstantin Todorov
Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.
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6th International Workshop on Computational Methods for Online Discourse Analysis (BeyondFacts'26).
Konstantin Todorov|Stefan Dietze|Dimitar Dimitrov|Pavlos Fafalios
Companion Proceedings of the ACM Web Conference 2026, WWW Companion 2026, Dubai, United Arab Emirates, 29 June 2026 - 3 July 2026

2025

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An In-depth Analysis of the Linguistic Characteristics of Science Claims on the Web and their Impact on Fact-checking.
Salim Hafid|Sebastian Schellhammer|Yavuz Selim Kartal|Thomas Papastergiou|Stefan Dietze|Sandra Bringay|Konstantin Todorov
ACM Transactions on the Web 2025 Volume 19 Issue 3
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Overview of the CLEF-2025 CheckThat! Lab: Subjectivity, Fact-Checking, Claim Normalization, and Retrieval.
Firoj Alam|Julia Maria Struß|Tanmoy Chakraborty|Stefan Dietze|Salim Hafid|Katerina Korre|Arianna Muti|Preslav Nakov|Federico Ruggeri|Sebastian Schellhammer|Vinay Setty|Megha Sundriyal|Konstantin Todorov|Venktesh V
Experimental IR Meets Multilinguality, Multimodality, and Interaction - 16th International Conference of the CLEF Association, CLEF 2025, Madrid, Spain, September 9-12, 2025, Proceedings
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Overview of the CLEF-2025 CheckThat! Lab Task 4 on Scientific Web Discourse.
Salim Hafid|Yavuz Selim Kartal|Sebastian Schellhammer|Katarina Boland|Dimitar Dimitrov|Sandra Bringay|Konstantin Todorov|Stefan Dietze
Working Notes of the Conference and Labs of the Evaluation Forum, CLEF 2025, Madrid, Spain, 9-12 September 2025.
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The CLEF-2025 CheckThat! Lab: Subjectivity, Fact-Checking, Claim Normalization, and Retrieval.
Firoj Alam|Julia Maria Struß|Tanmoy Chakraborty|Stefan Dietze|Salim Hafid|Katerina Korre|Arianna Muti|Preslav Nakov|Federico Ruggeri|Sebastian Schellhammer|Vinay Setty|Megha Sundriyal|Konstantin Todorov|Venktesh V
Advances in Information Retrieval - 47th European Conference on Information Retrieval, ECIR 2025, Lucca, Italy, April 6-10, 2025, Proceedings, Part V
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Graph Embeddings Meet Link Keys Discovery for Entity Matching.
Chloé Khadija Jradeh|Ensiyeh Raoufi|Jérôme David|Pierre Larmande|François Scharffe|Konstantin Todorov|Cássia Trojahn
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025
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'Only ChatGPT gets me': An Empirical Analysis of GPT versus other Large Language Models for Emotion Detection in Text.
Florian Lecourt|Madalina Croitoru|Konstantin Todorov
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025
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BeyondFacts 2025: 5th International Workshop on Computational Methods for Online Discourse Analysis.
Konstantin Todorov|Pavlos Fafalios|Stefan Dietze|Dimitar Dimitrov
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025

2024

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Beyond Facts: 4th International Workshop on Computational Methods for Online Discourse Analysis.
Konstantin Todorov|Pavlos Fafalios|Stefan Dietze|Dimitar Dimitrov
Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024

2023

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BeyondFacts'23: 3rd International Workshop on Knowledge Graphs for Online Discourse Analysis.
Konstantin Todorov|Pavlos Fafalios|Dimitar Dimitrov|Stefan Dietze
Companion Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2022

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SciTweets - A Dataset and Annotation Framework for Detecting Scientific Online Discourse.
Salim Hafid|Sebastian Schellhammer|Sandra Bringay|Konstantin Todorov|Stefan Dietze
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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BeyondFacts'22: 2nd International Workshop on Knowledge Graphs for Online Discourse Analysis.
Konstantin Todorov|Pavlos Fafalios|Stefan Dietze
Companion of The Web Conference 2022, Virtual Event / Lyon, France, April 25 - 29, 2022

2021

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ClaimLinker: Linking Text to a Knowledge Graph of Fact-checked Claims.
Evangelos Maliaroudakis|Katarina Boland|Stefan Dietze|Konstantin Todorov|Yannis Tzitzikas|Pavlos Fafalios
Companion of The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.

2020

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Transfer Learning for Named Entity Recognition in Historical Corpora.
Konstantin Todorov|Giovanni Colavizza
Working Notes of CLEF 2020 - Conference and Labs of the Evaluation Forum, Thessaloniki, Greece, September 22-25, 2020.

2018

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Controlled Vocabularies for Music Metadata.
Pasquale Lisena|Konstantin Todorov|Cécile Cecconi|Françoise Leresche|Isabelle Canno|Frédéric Puyrenier|Martine Voisin|Thierry Le Meur|Raphaël Troncy
Proceedings of the 19th International Society for Music Information Retrieval Conference, ISMIR 2018, Paris, France, September 23-27, 2018