Challenge: Fact-checking long-form text is challenging, and breaking it down into multiple atomic claims is not cost-effective.
Approach: They propose a novel agent-based framework that integrates evidence retrieval and claim verification in an iterative manner.
Outcome: The proposed framework reduces large language model (LLM) costs by an average of 7.6 times and search costs by 16.5 times while retaining the same performance.

Similar Papers

FactSearch: An Interactive Agentic Fact Search System for Verifying Large Language Model Outputs (2026.acl-demo)

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Challenge: Existing tool-augmented verification systems depend on opaque search APIs, introducing uncontrolled variability into factuality evaluation.
Approach: They propose a reproducibility-oriented agentic fact search system for claim-level factuality verification built on a locally aggregated open-source search infrastructure.
Outcome: The proposed system decomposes model outputs into atomic factual claims, generates targeted search queries, retrieves supporting evidence via a self-hosted meta-search engine, and performs modular verification within a fully configurable pipeline.
Improving Evidence Retrieval for Automated Explainable Fact-Checking (2021.naacl-demos)

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Challenge: Automated fact-checking on a large scale is time consuming and intractable.
Approach: They propose a three-stage automated fact-checking system using evidence retrieval and selection methods to improve evidence recall in a noisy environment.
Outcome: The proposed system can verify open-domain claims using results from web search engines.
Evidence Retrieval for Fact Verification using Multi-stage Reranking (2024.findings-emnlp)

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Challenge: Existing evidence retrieval methods are limited by single-stage evidence extraction.
Approach: They propose to use a multi-stage reranking paradigm to enhance the fact verification process by increasing the recall of sentences by 7.85%, tables by 8.29% and cells by 3% compared to the current state-of-the-art.
Outcome: The proposed system outperforms state-of-the-art models and achieves a 93.63% recall rate for Wikipedia pages.
Automated Fact Checking: Task Formulations, Methods and Future Directions (C18-1)

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Challenge: Recent research on fact checking has focused on misinformation . however, relevant papers and articles have been published in research communities that are unaware of each other and use inconsistent terminology.
Approach: They propose avenues for future NLP research on automated fact checking . they highlight the use of evidence as an important distinguishing factor .
Outcome: The proposed methods unify the task formulations and methodologies across papers and authors.
Evidence Retrieval is almost All You Need for Fact Verification (2024.findings-acl)

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Challenge: Existing evidence retrieval methods adopt a trivial retrieval strategy, resulting in task-irrelevant evidence and undesirable performance.
Approach: They propose a framework for evidence retrieval and joint fact verification that integrates two modules.
Outcome: The proposed framework improves evidence retrieval and claims verification on a FEVER dataset.
Automated Justification Production for Claim Veracity in Fact Checking: A Survey on Architectures and Approaches (2024.acl-long)

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Challenge: Current research focuses on predicting claim veracity through metadata analysis and language scrutiny, with an emphasis on justifying verdicts.
Approach: They propose a comprehensive taxonomy for categorizing works based on various criteria and propose scalable methodologies for improving fact-checking explainability.
Outcome: The proposed taxonomy identifies challenges while proposing future directions in fact-checking explainability.
FACT-AUDIT: An Adaptive Multi-Agent Framework for Dynamic Fact-Checking Evaluation of Large Language Models (2025.acl-long)

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Challenge: Existing fact-checking evaluation methods rely on static datasets and classification metrics, which fail to evaluate justification production and uncover the nuanced limitations of LLMs.
Approach: They propose a framework that adaptively and dynamically assesses LLMs’ fact-checking capabilities by incorporating justification production alongside verdict prediction.
Outcome: Experiments show that the framework differentiates among state-of-the-art LLMs, providing valuable insights into model strengths and limitations in model-centric fact-checking analysis.
Adversarial Attacks Against Automated Fact-Checking: A Survey (2025.emnlp-main)

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Challenge: Existing fact-checking systems are vulnerable to adversarial attacks that manipulate or generate claims, evidence, or claim-evidence pairs.
Approach: They examine the impact of adversarial attacks on existing AFC systems and examine their impact on existing ones.
Outcome: The findings highlight the need for resilient fact-checking frameworks in limiting misinformation spread and supporting public trust.
FaVIQ: FAct Verification from Information-seeking Questions (2022.acl-long)

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Challenge: Existing fact verification datasets with crowdsourced claims introduce subtle biases that are difficult to control for.
Approach: They construct a large-scale fact verification dataset with ambiguous questions . they use a corpus of 188k claims to construct false and true claims .
Outcome: The proposed dataset outperforms models trained on the dataset FEVER or in-domain data by up to 17% absolute.
Natural Logic-guided Autoregressive Multi-hop Document Retrieval for Fact Verification (2022.emnlp-main)

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Challenge: Recent evidence retrieval approaches rely on heuristics and assume hyperlinks between documents.
Approach: They propose a retrieval method that combines a retriever and a proof system that reranks documents and reorders them .
Outcome: The proposed method exceeds or is on par with the current state-of-the-art on FEVER, HoVer and FEVEROUS-S while using 5 to 10 times less memory than competing systems.

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