Are relations in thesauri "context-free, definitional, and true in all possible worlds"?

Birger Hjørland. Are relations in thesauri "context-free, definitional, and true in all possible worlds"?. JASIS, 66(7):1367-1373, 2015. [doi]

@article{Hjorland15a,
  title = {Are relations in thesauri "context-free, definitional, and true in all possible worlds"?},
  author = {Birger Hjørland},
  year = {2015},
  doi = {10.1002/asi.23253},
  url = {http://dx.doi.org/10.1002/asi.23253},
  researchr = {https://researchr.org/publication/Hjorland15a},
  cites = {0},
  citedby = {0},
  journal = {JASIS},
  volume = {66},
  number = {7},
  pages = {1367-1373},
}