Qilin is a large-scale multimodal dataset designed for advancing research in search, recommendation, and Retrieval-Augmented Generation (RAG) systems. This repository contains the official implementation of the dataset paper, baseline models, and evaluation tools. This dataset was presented in Qilin: A Multimodal Information Retrieval Dataset with APP-level User Sessions. Github: https://github.com/RED-Search/Qilin The image data can be found at… See the full description on the dataset page: https://huggingface.co/datasets/THUIR/Qilin.