Add dataset card and metadata for Paper Circle

README.md

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+---
+license: mit
+task_categories:
+- other
+---
+
+# Paper Circle Database
+
+This repository contains data associated with [Paper Circle: An Open-source Multi-agent Research Discovery and Analysis Framework](https://huggingface.co/papers/2604.06170).
+
+[Project Page](https://papercircle.vercel.app/) | [GitHub](https://github.com/MAXNORM8650/papercircle) | [Live Demo](https://papercircle.vercel.app)
+
+## Overview
+
+Paper Circle is a multi-agent research discovery and analysis system designed to reduce the effort required to find, assess, organize, and understand academic literature. The system comprises two complementary pipelines:
+
+1.  **Discovery Pipeline**: Integrates offline and online retrieval from multiple sources (arXiv, Scopus, IEEE), multi-criteria scoring, and diversity-aware ranking.
+2.  **Analysis Pipeline**: Transforms individual papers into structured knowledge graphs with nodes for concepts, methods, experiments, and figures, enabling graph-aware question answering.
+
+The framework produces reproducible outputs in various formats including JSON, CSV, BibTeX, Markdown, and HTML at each agent step.
+
+## Citation
+
+If you find PaperCircle useful in your research, please cite the paper:
+
+```bibtex
+@misc{kumar2026papercircleopensourcemultiagent,
+      title={Paper Circle: An Open-source Multi-agent Research Discovery and Analysis Framework}, 
+      author={Komal Kumar and Aman Chadha and Salman Khan and Fahad Shahbaz Khan and Hisham Cholakkal},
+      year={2026},
+      eprint={2604.06170},
+      archivePrefix={arXiv},
+      primaryClass={cs.CL},
+      url={https://arxiv.org/abs/2604.06170}, 
+}
+```