TutorialsPatternsField notes

Notes from the graph & GenAI frontier.

Tutorials, patterns and field notes on building GraphRAG systems, knowledge graphs and LLM agents on Neo4j — written by the people who build them.

33 posts · 9 topics · something new every week

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33 posts
Cypher

Relationship Uniqueness in Cypher, and When You Need WHERE NOT

Where to WHERE NOT and where to not WHERE NOT. Understand how Cypher follows relationships and when you need to exclude nodes from the result.

Adam CowleyAdam CowleyNov 13, 2026 — 5 min read
Cypher

Write your first Cypher query without installing anything

Write your first Cypher queries in the browser on Relate, from finding an actor to creating a node, with nothing to install.

Adam CowleyAdam CowleyNov 12, 2026 — 3 min read
GenAI

Give Claude Code a memory with Relate

Save the people, objects, locations and events from a Claude Code conversation to a Relate graph as it happens, with a skill, a hook and the Relate command line.

Adam CowleyAdam CowleyNov 12, 2026 — 4 min read
Cypher

How to load Parquet files into Relate

Convert Parquet files to CSV with DuckDB, then load them into a Relate graph with LOAD CSV and typed properties from the command line.

Adam CowleyAdam CowleyNov 12, 2026 — 4 min read
Cypher

How to run a Cypher engine in the browser with WebAssembly

Run Cypher in a browser tab with no database server, by loading Relate on first use, queueing queries, seeding a graph and handling an engine crash.

Adam CowleyAdam CowleyNov 12, 2026 — 5 min read
Cypher

Three ways to run Relate, the embedded Cypher database

Install Relate and run the same Cypher from the command line, embedded in an application and from an agent.

Adam CowleyAdam CowleyNov 12, 2026 — 5 min read
Cypher

Why we use Relate to provision databases for our learners

Neo4j Fundamentals learners run a handful of MATCH queries, so a provisioned Aura instance each was more than they needed. We now run Relate, an embedded graph database from relatedb.ai, in the browser instead.

Adam CowleyAdam CowleyNov 12, 2026 — 3 min read
Cypher

Using UUID properties in a Neo4j graph type

Neo4j 2026.08 added a UUID type. Declare it in a graph type, generate values with uuid(), and let the database reject anything else.

Adam CowleyAdam CowleyNov 2, 2026 — 3 min read
Certifications

Show the work behind your certificate

Your GraphAcademy certificate can now link to the blog post, repository, or article behind it. Here is how to add proof of work in under a minute.

Adam CowleyAdam CowleyOct 30, 2026 — 3 min read
Aura

How to redeem Aura credits from an event

Got an activation code at an event? Redeem it in the Aura console in a few steps and apply the credits to your billing account.

Adam CowleyAdam CowleyOct 19, 2026 — 3 min read
Graph Data Science

As we slept, so crept an avian invasion

How the parakeets took over London, a story told in graph.

Henry CollieHenry CollieOct 13, 2026 — 22 min read
GenAI

Using the GraphAcademy AI proxy in workshops

An introduction to the GraphAcademy AI proxy, how to get a key, the budget and time limits, and what each error message means when a request fails.

Adam CowleyAdam CowleyOct 12, 2026 — 6 min read