@article{hyvonen-positio-2019,
  author =   {Eero Hyvönen},
  title =    {Historiallinen paikkatieto semanttisessa webissä: Biografiasampo},
  journal = {Positio},
  year = {2019},
  number = {1},
  month = {February},
  publisher = {Maanmittauslaitos},
  location = {},
  pages = {},
  OPTproject = {http://www.seco.tkk.fi/projects/history/, https://seco.cs.aalto.fi/projects/nimisampo/, http://www.seco.tkk.fi/projects/biographies/, http://www.seco.tkk.fi/projects/histoplaces/,}
}