This PR adds a comprehensive dataset card for the Iceberg benchmark.
It includes:
- Relevant metadata such as `license`, `task_categories`, `language`, and `tags`.
- Links to the paper ([https://huggingface.co/papers/2512.12980](https://huggingface.co/papers/2512.12980)) and the GitHub repository ([https://github.com/ZJU-DAILY/Iceberg](https://github.com/ZJU-DAILY/Iceberg)).
- An introduction to the benchmark, detailing its goals and the Information Loss Funnel.
- Detailed descriptions of the datasets, including an overview table, embedding models, and evaluation tasks.
- A list of supported vector similarity search algorithms.
- A "Quick Start" section with installation instructions and sample usage code to help users get started.
- Relevant images (logo, main diagram, pipeline, results) from the GitHub repository to enhance readability.
- A BibTeX citation for proper academic attribution.
