Invoice Haystack: Benchmarking Document Retrieval and Visual Question Answering Under Strong Visual Homogeneity
title: "Invoice Haystack: Benchmarking Document Retrieval and Visual Question Answering Under Strong Visual Homogeneity" tags: [arxiv, 論文, 企業LLM, 文件檢索, RAG] source: https://arxiv.org/abs/2606.25343 date: 2026-06-24 domain: 技術深讀 type: research status: active updated: 2026-08-30 ---# Invoice Haystack: Benchmarking Document Retrieval and Visual Question Answering Under Strong Visual Homogeneity
作者: Heethanjan Kanagalingam, Thenukan Pathmanathan, Mokeeshan Vathanakumar, Basim Azam, Sarah Monazam Erfani 發表: 2026-06-24