# Examples
This section contains process graphs that show how the openEO processes work in practice.
- POC: Proof-of-concept use-cases, including API requests
- NDVI-UC1: Deriving maximum NDVI measurements over pixel time series (opens new window)
- ZONAL-UC3: Compute time series of zonal (regional) statistics over user-specified polygons (opens new window)
- EVI: Deriving minimum EVI measurements over pixel time series (opens new window)
Please feel encouraged to add your examples via Pull Requests!