---
title: Cypher Procedures And Algorithms Reference
url: https://nexyron.tech/docs/cypher/procedures
description: Procedures are the row producing extension surface of Cypher in Nexyron. If clauses shape the query pipeline and functions transform values, procedures are the parts that execute a
---

# Cypher Procedures And Algorithms Reference

## Consumer View

Procedures are the row-producing extension surface of Cypher in Nexyron. If clauses shape the query pipeline and functions transform values, procedures are the parts that execute a larger operation and stream records back into that pipeline.

## Main Families

-   [Catalog And Projections](https://nexyron.tech/docs/cypher/procedures/catalog-and-projections)
-   [Abstraction Platform](https://nexyron.tech/docs/cypher/procedures/abstraction-platform)
-   [Semantic](https://nexyron.tech/docs/cypher/procedures/semantic)
-   [Temporal And Streaming](https://nexyron.tech/docs/cypher/procedures/temporal-and-streaming)
-   [Algorithms/Centrality](https://nexyron.tech/docs/cypher/procedures/algorithms/centrality)
-   [Algorithms/Traversal](https://nexyron.tech/docs/cypher/procedures/algorithms/traversal)
-   [Algorithms/Components And Ordering](https://nexyron.tech/docs/cypher/procedures/algorithms/components-and-ordering)
-   [Algorithms/Shortest Path And Routing](https://nexyron.tech/docs/cypher/procedures/algorithms/shortest-path-and-routing)
-   [Algorithms/Clustering And Triangles](https://nexyron.tech/docs/cypher/procedures/algorithms/clustering-and-triangles)
-   [Algorithms/Community Detection](https://nexyron.tech/docs/cypher/procedures/algorithms/community-detection)
-   [Algorithms/Trees And Flow](https://nexyron.tech/docs/cypher/procedures/algorithms/trees-and-flow)
-   [Algorithms/Structure](https://nexyron.tech/docs/cypher/procedures/algorithms/structure)
-   [Algorithms/Similarity And Embedding](https://nexyron.tech/docs/cypher/procedures/algorithms/similarity-and-embedding)

## How To Think About Procedures

Different families serve different roles:

-   projection procedures prepare analytical graph views
-   abstraction-platform procedures define, build, materialize, serve, score, evaluate, and optimize the higher-level ML and decisioning runtime
-   semantic procedures bridge embeddings and retrieval into Cypher
-   algorithm procedures compute scores, traversals, communities, paths, cuts, or structural features

The key user pattern is:

```cypher
CALL nexyron.pagerank() YIELD node_id, score
WITH node_id, score
RETURN node_id, score
LIMIT 10
```

That is why procedures are documented separately from clauses and functions. They are not isolated APIs. They are composable row sources inside the same query language.

## What To Read First

-   If you are deciding between community algorithms, start with [Algorithms/Community Detection](https://nexyron.tech/docs/cypher/procedures/algorithms/community-detection).
-   If you need ranking or influence, start with [Algorithms/Centrality](https://nexyron.tech/docs/cypher/procedures/algorithms/centrality).
-   If you need the feature/snapshot/dataset/model/policy runtime, start with [Abstraction Platform](https://nexyron.tech/docs/cypher/procedures/abstraction-platform).
-   If you need semantic search and reranking, start with [Semantic](https://nexyron.tech/docs/cypher/procedures/semantic).
-   If you need named graph lifecycle management, start with [Catalog And Projections](https://nexyron.tech/docs/cypher/procedures/catalog-and-projections).