The high level presentation describes the three Hortonworks Use Cases - https://speakerdeck.com/kpeeples/hortonworks-and-red-hat-proof-of-technology
See the How to Guide which describes how to recreate and run each use case. It also includes the references such as the videos.
Use Case 2:
Objective:
Secure data according to Role for row level security and Column Masking
Problem:
Cannot hide region data from region specific users
Solution:
Leverage JBoss Data Virtualization to provide Row Level Security and Masking of columns
Currently works with Data Virtualization 6.0