One being that there is no usable graph store you and I can use as of 2018.
Another being about monetizing the Semantic Web when playing the role of the data/ontology provider. You provide all the data while the consumers (Siri, Alexa and Google Home) get the glory: https://news.ycombinator.com/item?id=18036041
I made a few observations in my own comment.
One being that there is no usable graph store you and I can use as of 2018.
Another being about monetizing the Semantic Web when playing the role of the data/ontology provider. You provide all the data while the consumers (Siri, Alexa and Google Home) get the glory: https://news.ycombinator.com/item?id=18036041