Challenge accepted: turning a CmapTools concept map into a graph metamodel in Neo4j (long read)

Based on my previous post, Thomas Frisendal challenged me (and everyone else) on Twitter to do the following: Save a CmapTools concept map as “CXL” (XML) Load it into Neo4j using the APOC library Transform it to a graph metamodel using Cypher Generate Cypher “DDL” The last part he clarified in a separate tweet: @srobijns …

Concept maps and graph data modeling: techniques in the “data modeler toolbox”

As a data modeler I’m always searching for ways to learn more about data modeling. The more I read and learn about it – on top of what I have already learned and used -, the more sense it all makes and the easier it gets. It’s a bit like learning foreign languages. The more …

Data modeling for multi-structured data, nothing new

In today’s world there seems to be a lot of focus on the technology to handle multi-structured data. And for sure the advances made in technology support various aspects of data management. However this technology is just there to support the higher goals. Schema-less or schema-on-read are terms that have often been advocated in the …

Is the traditional data warehouse still alive? Who cares?

Over the years and especially recently when I check my Twitter or LinkedIn timeline, I see questions like: Is the traditional data warehouse dead? I think it is a non-question, badly formulated and posed in a way that the answer is likely to be no, even without having read the actual article. It’s just marketing …