mlsanityData to 7 Oct 2026

AIC CTU@AVerImaTeC: dual-retriever RAG for image-text fact checking

arXiv 2602.15190 ↗First posted 16 Feb 2026cs.CLcited by 0

On the map: Retrieval-augmented generation → Multimodal RAG

Abstract (arXiv)

In this paper, we present our 3rd place system in the AVerImaTeC shared task, which combines our last year's retrieval-augmented generation (RAG) pipeline with a reverse image search (RIS) module. Despite its simplicity, our system delivers competitive performance with a single multimodal LLM call per fact-check at just 0.013 on average using GPT5.1 via OpenAI Batch API. Our system is also easy to reproduce and tweak, consisting of only three decoupled modules - a textual retrieval module based on similarity search, an image retrieval module based on API-accessed RIS, and a generation module using GPT5.1 - which is why we suggest it as an accesible starting point for further experimentation. We publish its code and prompts, as well as our vector stores and insights into the scheme's running costs and directions for further improvement.

Key facts. No citing papers in the map yet (data through 7 Oct 2026). Placed in Multimodal RAG, one of 15 directions in Retrieval-augmented generation. Builds on 9 of its 15 references that are in the map. First posted on arXiv 16 Feb 2026.

Builds on

9 of 15 references.

References · 9

  1. 2020Retrieval-Augmented Generation for Knowledge-Intensive NLP Taskscited by 9,160
  2. 2017Billion-scale similarity search with GPUscited by 2,477
  3. 2021A Survey on Automated Fact-Checkingcited by 376
  4. 2022Missing Counter-Evidence Renders NLP Fact-Checking Unrealistic for Misinformationcited by 45
  5. 2024The Automated Verification of Textual Claims (AVeriTeC) Shared Taskcited by 29
  6. 2024Ev2R: Evaluating Evidence Retrieval in Automated Fact-Checkingcited by 18
  7. 2025AVerImaTeC: A Dataset for Automatic Verification of Image-Text Claims with Evidence from the Webcited by 17
  8. 2024AIC CTU system at AVeriTeC: Re-framing automated fact-checking as a simple RAG taskcited by 8
  9. 2025AIC CTU@FEVER 8: On-premise fact checking through long context RAGcited by 3

Built on by

Not cited yet.

Similar, not cited

Close in wording, no citation either way

  1. 2024Reverse Image Retrieval Cues Parametric Memory in Multimodal LLMs
  2. 2026KIRA: Knowledge-Intensive Image Retrieval and Reasoning Architecture for Specialized Visual Domains
  3. 2025Visual-RAG: Benchmarking Text-to-Image Retrieval Augmented Generation for Visual Knowledge Intensive Queries
  4. 2024RAGAR, Your Falsehood Radar: RAG-Augmented Reasoning for Political Fact-Checking using Multimodal Large Language Models
  5. 2024Provenance: A Light-weight Fact-checker for Retrieval Augmented LLM Generation Output
  6. 2025UNIDOC-BENCH: A Unified Benchmark for Document-Centric Multimodal RAG
  7. 2026Trust Before Fusion: QIMG-7 and Source-Aware Resolution for Polluted Multimodal RAG
  8. 2025Retrieval Augmented Generation and Understanding in Vision: A Survey and New Outlook