The Automated Verification of Textual Claims (AVeriTeC) Shared Task
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Abstract (arXiv)
The Automated Verification of Textual Claims (AVeriTeC) shared task asks participants to retrieve evidence and predict veracity for real-world claims checked by fact-checkers. Evidence can be found either via a search engine, or via a knowledge store provided by the organisers. Submissions are evaluated using AVeriTeC score, which considers a claim to be accurately verified if and only if both the verdict is correct and retrieved evidence is considered to meet a certain quality threshold. The shared task received 21 submissions, 18 of which surpassed our baseline. The winning team was TUDA_MAI with an AVeriTeC score of 63%. In this paper we describe the shared task, present the full results, and highlight key takeaways from the shared task.
Key facts. Cited by 29 papers in the map (data through 7 Oct 2026). Builds on 21 of its 50 references that are in the map. First posted on arXiv 31 Oct 2024.
Builds on
21 of 50 references.
References · 21
- 2020Dense Passage Retrieval for Open-Domain Question Answeringcited by 3,779
- 2020DeBERTa: Decoding-enhanced BERT with Disentangled Attentioncited by 2,157
- 2018FEVER: a large-scale dataset for Fact Extraction and VERificationcited by 1,362
- 2023FActScore: Fine-grained Atomic Evaluation of Factual Precision in Long Form Text Generationcited by 1,259
- 2023Towards General Text Embeddings with Multi-stage Contrastive Learningcited by 705
- 2020Fact or Fiction: Verifying Scientific Claimscited by 546
- 2017"Liar, Liar Pants on Fire": A New Benchmark Dataset for Fake News Detectioncited by 361
- 2024mGTE: Generalized Long-Context Text Representation and Reranking Models for Multilingual Text Retrievalcited by 233
- 2021Get Your Vitamin C! Robust Fact Verification with Contrastive Evidencecited by 222
- 2020Generation-Augmented Retrieval for Open-domain Question Answeringcited by 186
- 2019MultiFC: A Real-World Multi-Domain Dataset for Evidence-Based Fact Checking of Claimscited by 169
- 2021Automated Fact-Checking for Assisting Human Fact-Checkerscited by 144
9 more
- 2023AVeriTeC: A Dataset for Real-world Claim Verification with Evidence from the Webcited by 144
- 2018The Fact Extraction and VERification (FEVER) Shared Taskcited by 108
- 2022Missing Counter-Evidence Renders NLP Fact-Checking Unrealistic for Misinformationcited by 45
- 2022Varifocal Question Generation for Fact-checkingcited by 27
- 2024Evidence-backed Fact Checking using RAG and Few-Shot In-Context Learning with LLMscited by 23
- 2023The Intended Uses of Automated Fact-Checking Artefacts: Why, How and Whocited by 19
- 2019Automated Fact Checking in the News Roomcited by 13
- 2024AIC CTU system at AVeriTeC: Re-framing automated fact-checking as a simple RAG taskcited by 8
- 2024Zero-Shot Learning and Key Points Are All You Need for Automated Fact-Checkingcited by 3
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Citing papers per year: 2024: 3; 2025: 14; 2026: 12.
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- 2024DEFAME: Dynamic Evidence-based FAct-checking with Multimodal Expertscited by 42
- 2024Ev2R: Evaluating Evidence Retrieval in Automated Fact-Checkingcited by 18
- 2025SemEval-2025 Task 7: Multilingual and Crosslingual Fact-Checked Claim Retrievalcited by 11
- 2024FactLens: Benchmarking Fine-Grained Fact Verificationcited by 10
- 2025The Next Phase of Scientific Fact-Checking: Advanced Evidence Retrieval from Complex Structured Academic Paperscited by 6
- 2025Debating Truth: Debate-driven Claim Verification with Multiple Large Language Model Agentscited by 6
- 2026The Impact of AI-Generated Text on the Internetcited by 6
- 2026VeriTaS: The First Dynamic Benchmark for Multimodal Automated Fact-Checkingcited by 5
- 2025Team HUMANE at AVeriTeC 2025: HerO 2 for Efficient Fact Verificationcited by 4
- 2025Fact2Fiction: Targeted Poisoning Attack to Agentic Fact-checking Systemcited by 4
- 2025Detecting Corpus-Level Knowledge Inconsistencies in Wikipedia with Large Language Modelscited by 4
- 2025Attacks by Content: Automated Fact-checking is an AI Security Issuecited by 4
17 more
- 2025AIC CTU@FEVER 8: On-premise fact checking through long context RAGcited by 3
- 2026The CLEF-2026 CheckThat! Lab: Advancing Multilingual Fact-Checkingcited by 3
- 2025Efficiency and Effectiveness of LLM-Based Summarization of Evidence in Crowdsourced Fact-Checkingcited by 2
- 2025Fact-checking AI-generated news reports: Can LLMs catch their own lies?cited by 2
- 2025PASS-FC: Progressive and Adaptive Search Scheme for Fact Checking of Comprehensive Claimscited by 2
- 2026The Automatic Verification of Image-Text Claims (AVerImaTeC) Shared Taskcited by 2
- 2025ConspirED: A Dataset for Cognitive Traits of Conspiracy Theories and Large Language Model Safetycited by 1
- 2026LLM-Based Adversarial Persuasion Attacks on Fact-Checking Systemscited by 1
- 2025PledgeTracker: A System for Monitoring the Fulfilment of Pledgescited by 0
- 2025ClaimCheck: Real-Time Fact-Checking with Small Language Modelscited by 0
- 2026Frame-Guided Synthetic Claim Generation for Automatic Fact-Checking Using High-Volume Tabular Datacited by 0
- 2026VILLAIN at AVerImaTeC: Verifying Image-Text Claims via Multi-Agent Collaborationcited by 0
- 2026AIC CTU@AVerImaTeC: dual-retriever RAG for image-text fact checkingcited by 0
- 2026ClimateCheck 2026: Scientific Fact-Checking and Disinformation Narrative Classification of Climate-related Claimscited by 0
- 2026CAAFC: Chronological Actionable Automated Fact-Checker for misinformation / non-factual hallucination detection and correctioncited by 0
- 2026Cherry-pick Override: LLM Judges Under-use the Non-Directional Verdicts Their Contract Authorizescited by 0
- 2026MEDIAREF: A Public Knowledge Store for Media Background Checkscited by 0
- 2026MEDIAREF: A Public Knowledge Store for Media Background Checks2 Jul 2026
- 2026Cherry-pick Override: LLM Judges Under-use the Non-Directional Verdicts Their Contract Authorizes5 Jun 2026
- 2026CAAFC: Chronological Actionable Automated Fact-Checker for misinformation / non-factual hallucination detection and correction12 May 2026
- 2026The Impact of AI-Generated Text on the Internet14 Apr 2026
- 2026ClimateCheck 2026: Scientific Fact-Checking and Disinformation Narrative Classification of Climate-related Claims27 Mar 2026
- 2026AIC CTU@AVerImaTeC: dual-retriever RAG for image-text fact checking16 Feb 2026
- 2026The Automatic Verification of Image-Text Claims (AVerImaTeC) Shared Task11 Feb 2026
- 2026The CLEF-2026 CheckThat! Lab: Advancing Multilingual Fact-Checking10 Feb 2026
- 2026VILLAIN at AVerImaTeC: Verifying Image-Text Claims via Multi-Agent Collaboration4 Feb 2026
- 2026Frame-Guided Synthetic Claim Generation for Automatic Fact-Checking Using High-Volume Tabular Data23 Jan 2026
- 2026LLM-Based Adversarial Persuasion Attacks on Fact-Checking Systems23 Jan 2026
- 2026VeriTaS: The First Dynamic Benchmark for Multimodal Automated Fact-Checking13 Jan 2026
17 more
- 2025Attacks by Content: Automated Fact-checking is an AI Security Issue13 Oct 2025
- 2025Detecting Corpus-Level Knowledge Inconsistencies in Wikipedia with Large Language Models27 Sep 2025
- 2025ClaimCheck: Real-Time Fact-Checking with Small Language Models22 Sep 2025
- 2025PledgeTracker: A System for Monitoring the Fulfilment of Pledges15 Sep 2025
- 2025ConspirED: A Dataset for Cognitive Traits of Conspiracy Theories and Large Language Model Safety28 Aug 2025
- 2025Fact2Fiction: Targeted Poisoning Attack to Agentic Fact-checking System8 Aug 2025
- 2025AIC CTU@FEVER 8: On-premise fact checking through long context RAG5 Aug 2025
- 2025Debating Truth: Debate-driven Claim Verification with Multiple Large Language Model Agents25 Jul 2025
- 2025Team HUMANE at AVeriTeC 2025: HerO 2 for Efficient Fact Verification15 Jul 2025
- 2025The Next Phase of Scientific Fact-Checking: Advanced Evidence Retrieval from Complex Structured Academic Papers25 Jun 2025
- 2025SemEval-2025 Task 7: Multilingual and Crosslingual Fact-Checked Claim Retrieval15 May 2025
- 2025PASS-FC: Progressive and Adaptive Search Scheme for Fact Checking of Comprehensive Claims14 Apr 2025
- 2025Fact-checking AI-generated news reports: Can LLMs catch their own lies?24 Mar 2025
- 2025Efficiency and Effectiveness of LLM-Based Summarization of Evidence in Crowdsourced Fact-Checking30 Jan 2025
- 2024DEFAME: Dynamic Evidence-based FAct-checking with Multimodal Experts13 Dec 2024
- 2024FactLens: Benchmarking Fine-Grained Fact Verification8 Nov 2024
- 2024Ev2R: Evaluating Evidence Retrieval in Automated Fact-Checking8 Nov 2024
- 2024DEFAME: Dynamic Evidence-based FAct-checking with Multimodal Expertscited by 42
- 2024Ev2R: Evaluating Evidence Retrieval in Automated Fact-Checkingcited by 18
- 2025SemEval-2025 Task 7: Multilingual and Crosslingual Fact-Checked Claim Retrievalcited by 11
- 2024FactLens: Benchmarking Fine-Grained Fact Verificationcited by 10
- 2025The Next Phase of Scientific Fact-Checking: Advanced Evidence Retrieval from Complex Structured Academic Paperscited by 6
- 2026The Impact of AI-Generated Text on the Internetcited by 6
- 2026VeriTaS: The First Dynamic Benchmark for Multimodal Automated Fact-Checkingcited by 5
- 2025Team HUMANE at AVeriTeC 2025: HerO 2 for Efficient Fact Verificationcited by 4
- 2025Attacks by Content: Automated Fact-checking is an AI Security Issuecited by 4
- 2025AIC CTU@FEVER 8: On-premise fact checking through long context RAGcited by 3
- 2026The CLEF-2026 CheckThat! Lab: Advancing Multilingual Fact-Checkingcited by 3
- 2025Efficiency and Effectiveness of LLM-Based Summarization of Evidence in Crowdsourced Fact-Checkingcited by 2
12 most cited of 23 All 23 (JSON)
- 2026Cherry-pick Override: LLM Judges Under-use the Non-Directional Verdicts Their Contract Authorizes5 Jun 2026
- 2026CAAFC: Chronological Actionable Automated Fact-Checker for misinformation / non-factual hallucination detection and correction12 May 2026
- 2026The Impact of AI-Generated Text on the Internet14 Apr 2026
- 2026ClimateCheck 2026: Scientific Fact-Checking and Disinformation Narrative Classification of Climate-related Claims27 Mar 2026
- 2026The Automatic Verification of Image-Text Claims (AVerImaTeC) Shared Task11 Feb 2026
- 2026The CLEF-2026 CheckThat! Lab: Advancing Multilingual Fact-Checking10 Feb 2026
- 2026Frame-Guided Synthetic Claim Generation for Automatic Fact-Checking Using High-Volume Tabular Data23 Jan 2026
- 2026LLM-Based Adversarial Persuasion Attacks on Fact-Checking Systems23 Jan 2026
- 2026VeriTaS: The First Dynamic Benchmark for Multimodal Automated Fact-Checking13 Jan 2026
- 2025Attacks by Content: Automated Fact-checking is an AI Security Issue13 Oct 2025
- 2025ClaimCheck: Real-Time Fact-Checking with Small Language Models22 Sep 2025
- 2025PledgeTracker: A System for Monitoring the Fulfilment of Pledges15 Sep 2025
12 newest of 23 All 23 (JSON)