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WWW Virtual Library of Published Subject Indicators

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  • Ontopia external link
    “An experimental PSI set that defines published subjects for (some) products and employees of Ontopia” (the company headquartered in Oslo, Norway).

  • Techquila external link
    Techquila (an Oxford, UK, based company), its employees and products.
    Last revision date shown as 2003, but included here as an example as well as for information.


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