# Collections ## Overview Collections are customizable groups of files and tables from your connected data sources in [Publisher](https://github.com/DNAstack/dnastack-product-docs/blob/main/docs/publisher/collections/broken-reference/README.md). They allow you to organize and share specific datasets through federated data sharing networks, making them accessible to researchers. ## Types of Collections ### Library The Library is a default, system-generated collection that: * Contains all data connected to [Publisher](https://github.com/DNAstack/dnastack-product-docs/blob/main/docs/publisher/collections/broken-reference/README.md) * Provides a complete view of your available data * Cannot be modified or shared * Serves as a reference for creating custom collections ### Custom Collections Create your own collections to: * Organize data into logical groups * Share specific datasets with researchers * Control access to your data * Manage data discovery and distribution ## Working with Collections Collections provide a flexible way to: * Select specific files and tables from your data sources * Create meaningful groupings of related data * Control sharing permissions * Enable data discovery through networks * Manage access policies for different user groups --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.omics.ai/products/publisher/collections.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.