David Wells

Oct 24, 2024 | snowflake.com | David Wells

Adtech and martech companies are engaged in a fierce battle for audience attention. Customers are bombarded with thousands of ads and marketing messages every day, and the average attention span is plummeting, so it’s no wonder they tune out — or turn on ad blockers. But it’s not all doom and gloom. The global adtech market is expected to grow at a rate of through 2030, and martech’s projected growth rate is through 2032.

Aug 17, 2024 | towardsdatascience.com | David Wells

How to identify and visualise clusters in knowledge graphsIn this post we’ll identify and visualise different clusters of cancer types by analysing disease ontology as a knowledge graph. Specifically we’ll set up neo4j in a docker container, import the ontology, generate graph clusters and embeddings, before using dimension reduction to plot these clusters and derive some insights.

Jan 16, 2024 | databricks.com | David Wells |Avinash Sooriyarachchi |Sathish Gangichetty |Aemro Amare

Cyber threats and the tools to combat them have become more sophisticated. SIEM is over 20 years old and has evolved significantly in that time. Initially reliant on pattern-matching and threshold-based rules, SIEMs have advanced their analytic abilities to tackle more sophisticated cyber threats. This evolution, termed the 'Detection Maturity Curve,' illustrates the shift security operations have taken from simple alert systems to advanced mechanisms capable of predictive threat analysis.