UMBEL has adopted the term subject concept to.
UMBEL has adopted the term subject concept to distinguish from these uses, which have different nuances of meaning and use, as well as to highlight the subject or topić nature of UMBEL’s concrete concepts.. Note in other systems or ontologies similar constructs may alternatively be called topics, subjects, concepts or perhaps interests. Subject concepts are a special kind of concept: namely, ones that are concrete, subject-related and non-abstract.
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