ADF Directed Acyclic Graphs

One of the application I created a prototype for at work collects surveys which patients fill out. An example of a simple survey question with “branching” requirement can be related to gender. Based on that answer, only related sub questions should be posed. In order to model this dynamically(vs hard coding a survey), I had to revisit a topic from discrete math, specifically the concept of a directed graph. By implementing the underlying logic using a graph, a generic approach can be used to guide a user to fill out a survey for only relevant questions. There are many other use cases where graphs drive the underlying application logic (GPS, Clinical Informatics – SNOMED CT, Bayesian Networks, Supply Chain Delivery, etc..) and it’s up to you as the engineer to decide on the appropriate application.

Below is a short demo of the graph examples I have created:

Live demo

Code via GITHUB


About wesfang
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3 Responses to ADF Directed Acyclic Graphs

  1. ramesh says:

    I have similar requirement is it possible to elaborate on your use case and share the implementation deatails

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