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From: LuyaoZhuang <zhuangluyao523@gmail.com>
Date: Sun, 26 Oct 2025 05:11:12 -0400
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+# 🌟 **LinearRAG**  
+> *LinearRAG: Linear Graph Retrieval Augmented Generation on Large-scale Corpora*  
+> A lightweight GraphRAG framework that eliminates LLM token cost during graph construction – making GraphRAG faster and more efficient than ever.
+
+<p align="center">
+  <a href="https://arxiv.org/abs/2510.10114" target="_blank">
+    <img src="https://img.shields.io/badge/Paper-Arxiv-red?logo=arxiv&style=flat-square" alt="arXiv:2506.08938">
+  </a>
+  <a href="https://huggingface.co/datasets/Zly0523/linear-rag/tree/main" target="_blank">
+    <img src="https://img.shields.io/badge/HuggingFace-Model-yellow?logo=huggingface&style=flat-square" alt="HuggingFace">
+  </a>
+  <a href="https://github.com/LuyaoZhuang/linear-rag" target="_blank">
+    <img src="https://img.shields.io/badge/GitHub-Project-181717?logo=github&style=flat-square" alt="GitHub">
+  </a>
+</p>
+
+---
+
+## 🚀 **Highlights**
+- ✅ **Fact-Level Faithfulness**: Eliminates unstable relation extraction, using only lightweight entity recognition to graph.
+- 🔥 **Zero Token Consumption**: Complete graph construction and retrieval without any LLM calls.
+- 📊 **Strong Results**: Outperforms previous RAG methods on widely-used benchmarks.
+
+<p align="center">
+  <img src="figure/main_figure.png" width="80%" alt="Framework Overview">
+</p>
+
+---
+
+## 🛠️ **Usage**
+
+### 1️⃣ Install Dependencies  
+
+**Step 1: Install Python packages**
+
+```bash
+pip install -r requirements.txt
+```
+
+**Step 2: Download Spacy language model**
+
+```bash
+python -m spacy download en_core_web_trf
+```
+
+> **Note:** For the `medical` dataset, you need to install the scientific/biomedical Spacy model:
+```bash
+pip install https://s3-us-west-2.amazonaws.com/ai2-s2-scispacy/releases/v0.5.3/en_core_sci_scibert-0.5.3.tar.gz
+```
+
+**Step 3: Set up your OpenAI API key**
+
+```bash
+export OPENAI_API_KEY="your-api-key-here"
+export OPENAI_BASE_URL="your-base-url-here"
+```
+
+**Step 4: Download Datasets**
+
+Download the datasets from HuggingFace and place them in the `dataset/` folder:
+
+```bash
+git clone https://huggingface.co/datasets/Zly0523/linear-rag
+cp -r linear-rag/dataset/* dataset/
+```
+
+**Step 5: Prepare Embedding Model**
+
+Make sure the embedding model is available at:
+
+```
+model/all-mpnet-base-v2/
+```
+
+### 2️⃣ Quick Start Example
+
+```bash
+SPACY_MODEL="en_core_web_trf"
+EMBEDDING_MODEL="model/bge-large-en-v1.5"
+DATASET_NAME="2wikimultihop"
+LLM_MODEL="gpt-4o-mini"
+MAX_WORKERS=16
+
+python run.py \
+    --spacy_model ${SPACY_MODEL} \
+    --embedding_model ${EMBEDDING_MODEL} \
+    --dataset_name ${DATASET_NAME} \
+    --llm_model ${LLM_MODEL} \
+    --max_workers ${MAX_WORKERS}
+```
+
+## 🎯 **Performance**
+
+<div align="center">
+<img src="figure/generation_results.png" alt="framework" width="1000">
+
+**Main results of end-to-end performance**
+</div>
+<div align="center">
+<img src="figure/efficiency_result.png" alt="framework" width="1000">
+
+**Efficiency and performance comparison.**
+</div>
+
+
+## 📖 Citation
+
+If you find this work helpful, please consider citing us:
+```bibtex
+@article{zhuang2025linearrag,
+  title={LinearRAG: Linear Graph Retrieval Augmented Generation on Large-scale Corpora},
+  author={Zhuang, Luyao and Chen, Shengyuan and Xiao, Yilin and Zhou, Huachi and Zhang, Yujing and Chen, Hao and Zhang, Qinggang and Huang, Xiao},
+  journal={arXiv preprint arXiv:2510.10114},
+  year={2025}
+}
+```
+## 📬 Contact
+✉️ Email: zhuangluyao523@gmail.com
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