Hello all Apache SIS is cited by an W3C draft paper, "Spatial Data on the Web Best Practices" (work in progress). It can be seen at the bottom of chapter 7:
https://www.w3.org/TR/sdw-bp/#CRS-background
I also added SIS in Wikipedia Well-Know Text (WKT) page, under the "APIs
that provide support" section:
https://en.wikipedia.org/wiki/Well-known_text#APIs_that_provide_support
Martin
