olemus
liik teadmusbaase, milles teadmusüksused
on ekstraktitud valdkonna tekstidest ning
üksuste valimise aluseks on valdkonna ontoloogia ja määratletud reeglid
= a type of knowledge base in which knowledge units are extracted from subject field texts and the selection of units is based on the ontology and defined rules of the field

ülevaateid
https://www.reddit.com/r/explainlikeimfive/comments/4nb2ti/eli5_what_is_an_ontological_database/

https://encyclopedia.pub/3744

https://arxiv.org/pdf/0906.1694.pdf

http://www.ibspan.waw.pl/~paprzyck/mp/cvr/research/IoT_papers/Sinaia_Tkaczyk_2017.pdf

http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.165.5873&rep=rep1&type=pdf

https://arxiv.org/pdf/1405.2848.pdf

https://itc.ktu.lt/index.php/ITC/article/view/20007/9712