RDF is apparently heavily used in bio-informatics and life-sciences. I'm not well versed enough in any of the subjects involved whether a relation DB would not

RDF is apparently heavily used in bio-informatics and life-sciences. I'm not well versed enough in any of the subjects involved whether a relation DB would not cur it though. Being able to create cross links between data independent of a predefined schema seems useful for research though. With RDF, you can just define a predicate on your own and link two objects/subjects in completely different, independent triple stores, if I understand correctly.