langchain/docs/integrations/vespa.md

# Vespa

>[Vespa](https://vespa.ai/) is a fully featured search engine and vector database. 
> It supports vector search (ANN), lexical search, and search in structured data, all in the same query.
 
## Installation and Setup


```bash
pip install pyvespa
```


## Retriever

See a [usage example](../modules/indexes/retrievers/examples/vespa.ipynb).

```python
from langchain.retrievers import VespaRetriever
```
docs `ecosystem/integrations` update 4 (#5590) # docs `ecosystem/integrations` update 4 Added missed integrations. Fixed inconsistencies. ## Who can review? @hwchase17 @dev2049 1 year ago			`# Vespa`

			`>[Vespa](https://vespa.ai/) is a fully featured search engine and vector database.`
			`> It supports vector search (ANN), lexical search, and search in structured data, all in the same query.`

			`## Installation and Setup`


			```bash
			`pip install pyvespa`
			```



			`## Retriever`

			`See a [usage example](../modules/indexes/retrievers/examples/vespa.ipynb).`

			```python
			`from langchain.retrievers import VespaRetriever`
			```