Martin Zand, Professor of Medicine and Public Health Sciences at the Rochester enter for Health Informatics, switched the focus of the presentations talking as a user of graph databases. Zand pinpointed the relevance of using graph in healthcare comparing 3 characteristics of healthcare to their counterpart with graphs:

• Healthcare is delivered by networks.
• Patients traverse those networks.
• The topology of the networks influences outcomes.

The talk of Dr. Zand was structured around the presentation of 3 uses cases: