The blog

Using Neo4j to build a recommendation engine based on collaborative filtering

We have see recently how to use a Neo4j database to run a recommendation engine for an online dating site (or for any recommendation problem). Today, we are going to see a different approach to that same problem based on collaborative filtering. What is collaborative filtering? Collaborative filtering is a technique used by recommendation engines. […]

Recommendation and graphs : an online dating use case

Graph technologies are very good for recommendation. It is no wonder that the biggest online dating websites are using it. We are going to see through a concrete example how to use graphs to find love with the Neo4j graph database. Online dating and graphs : a love story? In the last months a few […]

Can graphs help fight gangs?

Using diseases and businesses as metaphors to understand gangs create interesting insights. According to new research from Yale and the West Point Military Academy, graph theory can be applied by law enforcement agencies. Armed with graphs, they can identify at risk individuals or target gang leaders. Is homicide a contagious disease? Cristopher Wilderman and Andrew Papachristos […]

Mobile war : patents and graph visualization

If you’re following the news you probably have heard of the epic suits tech companies are engaged in. A US jury has ordered Samsung to pay Apple $120M and Rockstar (ie Apple, Microsoft et al ) has launched a nuclear strike on Google. With every one suing everyone, it’s hard to follow what’s going on. Thomson Reuters […]

Network management and impact analysis with Neo4j

Network management is a use case where graph databases and graph visualization solutions like Linkurious can greatly help. With a concrete example, we are going to see how graphs are the perfect tool for impact analysis and network maintenance. Bad network management can be expensive Operating an enterprise network is no easy task. It involves […]

Fraud detection : identifying conflicts of interest with graphs

Procurement departments are supposed to save companies money. What happens when they are hurt by conflicts of interest? Graph technologies like Neo4j and Linkurious can help find suspicious connections in employee and vendor records : let’s see how graphs can be used for fraud detection! What is a conflict of interest According to wikipedia, a […]

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