json - How do I prepare data for D3 network graphs dynamically? Need web-based NodeXL -

need data processing visualization. should use prepare data network graphs load in web page dynamically?

captions social media --> [some web version of nodexl] --> d3 network visualization

i'm going mapping relationships between keywords social media captions. need map keywords used others. example, in caption word "gratitude" used word "blessed", used "love".

ideas?