Have now read the paper, thanks. I think the paper would benefit from comparing with earlier approaches, or simply acknowledgment, e.g. Kieran Healy's work.

Elife is also now not free - its about 2500 USD I think.

One novelty seems to be the addition of CiTO -- do you have examples of those in use elsewhere?

I'd not seen the Volmer and Stokes article -- you might like the following short letter by my friend in Nature: https://www.ncbi.nlm.nih.gov/pubmed/28252064

just noted a few typos:

in table 2, your html <h1> and <h2> examples have excess < and > for the title.

p355: therefor -> therefore