This presentation is about using tools that implement two well known standards in the eHealth world, openEHR for EHR data management (generic store and query), and SNOMED CT terminology with the powerful expression mechanism.
This was presented in the "2nd Arctic Conference on openEHR and Archetype-based Clinical Information Systems"
Here is the talk: https://www.youtube.com/watch?v=JIolq3b_Gkw
Here is the full demo video: https://www.youtube.com/watch?v=pOMhqc1TZ7A
And here an article about the implementation steps: https://cabolabs.com/blog/article/openehr__snomed_ct_a_perfect_combination_for_data_querying-5a440acd0f763.html