Multimodal Question Answering for Unified Information Extraction

• URL: http://arxiv.org/abs/2310.03017v1
• Date: Wed, 4 Oct 2023 17:58:05 GMT
• Title: Multimodal Question Answering for Unified Information Extraction
• Authors: Yuxuan Sun, Kai Zhang, Yu Su
• Abstract summary: Multimodal information extraction aims to extract structured information from unstructured multimedia content. Most current MIE models are task-specific and data-intensive. We propose a novel multimodal question answering (MQA) framework to unify three MIE tasks.
• Score: 15.798187192290746
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Multimodal information extraction (MIE) aims to extract structured information from unstructured multimedia content. Due to the diversity of tasks and settings, most current MIE models are task-specific and data-intensive, which limits their generalization to real-world scenarios with diverse task requirements and limited labeled data. To address these issues, we propose a novel multimodal question answering (MQA) framework to unify three MIE tasks by reformulating them into a unified span extraction and multi-choice QA pipeline. Extensive experiments on six datasets show that: 1) Our MQA framework consistently and significantly improves the performances of various off-the-shelf large multimodal models (LMM) on MIE tasks, compared to vanilla prompting. 2) In the zero-shot setting, MQA outperforms previous state-of-the-art baselines by a large margin. In addition, the effectiveness of our framework can successfully transfer to the few-shot setting, enhancing LMMs on a scale of 10B parameters to be competitive or outperform much larger language models such as ChatGPT and GPT-4. Our MQA framework can serve as a general principle of utilizing LMMs to better solve MIE and potentially other downstream multimodal tasks.

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