IOT Now shares how telco Telia is using Neo4j’s graph database to help it recognise the important patterns as they emerge, from an IoT perspective in the home. An excerpt:

The graph database Neo4J acts as a conduit, protecting the privacy of the end user, but providing the small detail needed for applications to gather information for a bigger picture. It does this by keeping the application program interfaces as stored relationships between different types of events or different types of data.
  Read more here.