> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cognite.com/llms.txt
> Use this file to discover all available pages before exploring further.

# About data modeling

> Build expressive and scalable data models in Cognite Data Fusion (CDF) to create a structured knowledge graph of your industrial data, including assets, hierarchies, and equipment.

> For the complete Cognite documentation index, see [/llms.txt](/llms.txt). For full page content, see [/llms-full.txt](/llms-full.txt).

A data model is an abstract representation of real-world entities. It organizes data elements and their properties and standardizes how they relate.

<CardGroup cols={2}>
  <Card title="Data modeling concepts" icon="book-open" href="/cdf/dm/dm_concepts/index">
    Learn about the data modeling service (DMS) and core concepts like containers, views, spaces, and instances.
  </Card>

  <Card title="Examples and best practices" icon="lightbulb" href="/cdf/dm/dm_guides">
    Follow recommendations for composing and deploying data models and queries.
  </Card>

  <Card title="Time series integration" icon="chart-line" href="/cdf/dm/dm_guides/dm_integrate_with_time_series">
    Learn how to integrate time series data with your data model.
  </Card>

  <Card title="Files integration" icon="file" href="/cdf/dm/dm_guides/dm_integrate_files">
    Learn how to integrate files with your data model.
  </Card>

  <Card title="Cognite data models" icon="book" href="/cdf/dm/dm_reference/cognite_data_models">
    Explore the Cognite core and industry data models, and understand system limits.
  </Card>

  <Card title="Records and streams" icon="database" href="/cdf/dm/records/concepts/records_and_streams">
    Learn about high-performance storage for bulk structured data using records and streams.
  </Card>

  <Card title="GraphQL interface" icon="brackets" href="/cdf/dm/dm_graphql">
    Use GraphQL to query, mutate, and define data models in Cognite Data Fusion.
  </Card>

  <Card title="Limits and restrictions" icon="arrow-up-to-line" href="/cdf/dm/dm_reference/dm_limits_and_restrictions">
    Learn about the limits and restrictions for data modeling resources in your CDF project.
  </Card>

  <Card title="API reference" icon="book-open" href="/api-reference/concepts/20230101/data-modeling">
    REST endpoints for Spaces, Instances, Containers, Views, and Data models.
  </Card>
</CardGroup>