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arXiv · 2502.09211

Visual Graph Question Answering with ASP and LLMs for Language Parsing

Jakob Johannes Bauer·Thomas Eiter·Nelson Higuera Ruiz·Johannes Oetsch
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Abstract

Visual Question Answering (VQA) is a challenging problem that requires to process multimodal input. Answer-Set Programming (ASP) has shown great potential in this regard to add interpretability and explainability to modular VQA architectures. In this work, we address the problem of how to integrate ASP with modules for vision and natural language processing to solve a new and demanding VQA variant that is concerned with images of graphs (not graphs in symbolic form). Images containing graph-based structures are an ubiquitous and popular form of visualisation. Here, we deal with the particular problem of graphs inspired by transit networks, and we introduce a novel dataset that amends an existing one by adding images of graphs that resemble metro lines. Our modular neuro-symbolic approach combines optical graph recognition for graph parsing, a pretrained optical character recognition neural network for parsing labels, Large Language Models (LLMs) for language processing, and ASP for reasoning. This method serves as a first baseline and achieves an overall average accuracy of 73% on the dataset. Our evaluation provides further evidence of the potential of modular neuro-symbolic systems, in particular with pretrained models that do not involve any further training and logic programming for reasoning, to solve complex VQA tasks.

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BibTeXRIS

Jakob Johannes Bauer, Thomas Eiter, Nelson Higuera Ruiz, Johannes Oetsch. 2025-02-13. Visual Graph Question Answering with ASP and LLMs for Language Parsing. https://doi.org/10.4204/eptcs.416.2

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