Named Entity Relation Graph using SAS Viya 3.4 Visual Text Analytics

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Hello Experts,

I am trying to generate a model for Named Entity Recognition which would classify concepts (entities) from unstructured content using SAS Viya 3.4 Visual Text Analytics and in-turn create network diagram representing the entity relation from the unstructured content processed.

Can someone please help with the below:

1) I have tried pre-defined concepts and they are not working for my requirement. As a work around I am manually feeding in each name against Custom Concept however this is not a permanent resolution.

How can I leverage custom concept to identify various person, entity, organization etc. from the unstructured data.

2) Once the above has been achieved need to identify the entity correlation and create network diagram using this co-relation in VA.