Good choice. The semantic web really brought me to the brink.
The community has its head in the sands about... just about everything.
Document databases and SQL are popular because all of the affordances around "records". That is, instead of deleting, inserting, and updating facts you get primitives that let you update records in a transaction even if you don't explicitly use transactions.
It's very possible to define rules that will cut out a small piece of a graph that defines an individual "record" pertaining to some "subject" in the world even when blank nodes are in use. I've done it. You would go 3-4 years into your PhD and probably not find it in the literature, not get told about it by your prof, or your other grad students. (boy I went through the phase where I discovered most semantic web academics couldn't write hard SPARQL queries or do anything interesting with OWL)
Meanwhile people who take a bootcamp can be productive with SQL in just a few days because SQL was developed long ago to give the run-of-the-mill developer superpowers. (imagine how lost people were trying to develop airline reservation systems in the 1960s!)
The community has its head in the sands about... just about everything.
Document databases and SQL are popular because all of the affordances around "records". That is, instead of deleting, inserting, and updating facts you get primitives that let you update records in a transaction even if you don't explicitly use transactions.
It's very possible to define rules that will cut out a small piece of a graph that defines an individual "record" pertaining to some "subject" in the world even when blank nodes are in use. I've done it. You would go 3-4 years into your PhD and probably not find it in the literature, not get told about it by your prof, or your other grad students. (boy I went through the phase where I discovered most semantic web academics couldn't write hard SPARQL queries or do anything interesting with OWL)
Meanwhile people who take a bootcamp can be productive with SQL in just a few days because SQL was developed long ago to give the run-of-the-mill developer superpowers. (imagine how lost people were trying to develop airline reservation systems in the 1960s!)