David Allen

In complex data systems — plenty of which have grown to gigantic caches of billions of facts about the smallest links in the biggest chains — almost any fact in which anyone may be interested can be specified in...

Neo4j & Neo4j Aura support Python, JavaScript, Java, Go, and .NET. Additionally, community support is available for other languages such as PHP and Ruby. In this article, we’ll cover some best practices for using...

We’re excited to announce that everyone can now use Neo4j AuraDB Free, and get started without a credit card in a number of cloud regions. AuraDB Free is ideal for people who are getting started learning graph,...

Seagate is demonstrating the industry’s first native NVMe hard disk drive (HDD) at the OCP Global Summit this week, illustrating and confirming the viability of the NVMe (Non-Volatile Memory Express) protocol on...

NVM Express, Inc. last week announced the release of the NVM Express® (NVMe®) 2.0 family of specifications which allows for faster and simpler development of NVMe solutions to support the increasingly diverse NVMe...

This article is the latest in a series on advanced graph modeling; the other articles in the series deal with keys, relationships, super nodes, and categorical variables.Today we’re going to talk about labels in...

This article is the latest in a series on advanced graph modeling; the other articles in the series deal with keys, relationships, and categorical variables.Today we’re going to talk about super nodes, what they are,...

Neo4j users find themselves needing to monitor the internal health of the system. Halin was built as a tool to help them do that, and presents a “Tasks” screen for each member in a Neo4j cluster, that shows what’s...

Image by Free-Photos from PixabayLooping through the Fantasy Premier League API “Element-Summary” Endpoint to Download Player History with Python and PandasDocumentation for Creating a Master DataFrame of All...

Graph Data Modeling: All About KeysIn two previous articles, we covered aspects of graph data modeling such as categorical variables, and how relationships work. In this article, let’s address how to identify things...

Image by Pexels from PixabayHow to Access the Fantasy Premier League API, Build a Dataframe, and Analyze Using Jupyter, Python, and PandasDocumentation for building a Pandas Dataframe from the FPL API, and running a...

Neo4j recently released the BI Connector, which is a general JDBC driver that can process SQL queries against a Neo4j graph and return meaningful results. This enables users of tools like Tableau, that generate SQL...

In my last article on graph data modeling, we talked about categorical variables, and how to choose whether to model something as a node, relationship, or label.With that out of the way, it’s now time to go deep on...

At the 2019 Psych Congress on October 3, 2019, Dr. James Jenkins presented on a newish treatment for borderline personality disorder (BPD) that does not require a lot of training called Good Psychiatric Management...

We know that Apache Kafka® is great when you’re dealing with streams, allowing you to conveniently look at streams as tables. Stream processing engines like KSQL furthermore give you the ability to manipulate all of...

Neo4j recently released a distribution of Neo4j Enterprise Causal Clustering on Pivotal Container Service (PKS). This distribution makes it easy to spin up a clustered, highly available graph database on top of...

Secure GraphQL APIs in minutes with Cloud Run and GRAND StackGoogle Cloud recently announced Cloud Run at the NEXT ’19 conference, and I wanted to kick the tires. Cloud Run lets you run stateless containers easily,...

Elastic Cloud is frequently used as a monitoring and logging solution; the “ELK Stack” refers to ElasticSearch, LogStash, and Kibana, which are three key components of the Elastic platform. Together, they provide a...

Working with customers, sometimes we need to simulate various workloads on Neo4j, for many different reasons. Here is how you can do that.For example, we want to measure the response time or latency of queries, or we...