# Bounded Aggregation over Unbounded Streams

> The ability to aggregate an endless stream by grouping its events into bounded windows.

Record: `lexicon:bounded-aggregation-over-unbounded-streams`
Kind: capability
Layer: [Execution Core](https://banes-lab.com/records/layer/execution-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-bounded-aggregation-over-unbounded-streams

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Stateful Hidden Accumulation](https://banes-lab.com/records/lexicon/stateful-hidden-accumulation.md) and before [Bounded State](https://banes-lab.com/records/lexicon/bounded-state.md).

## Category

- [Streaming / Pipeline / Dataflow Processing](https://banes-lab.com/records/lexicon-category/streaming-pipeline-dataflow-processing.md)

## Enabled by

- [Windowing](https://banes-lab.com/records/architecture/windowing.md)

## Linked from

- [Streaming / Pipeline / Dataflow Processing](https://banes-lab.com/ontology/principles/architecture-category-streaming-pipeline-dataflow-processing.md)