Similar to AGROVOC

Forestry

Crop rotation

Roslin Institute

DAFIF

NASA/IPAC Extragalactic Database

World Register of Marine Species

Knowledge representation and reasoning

C4 model

ERIL

HCalendar

Is-a

Semantic network

Visualization (graphics)

Philosophy of information

Type–token distinction

Knowledge engineering

Knowledge base

Data visualization

Digital curation

Data dictionary

Contour line

Topic map

Hashtag

Findability

Faceted classification

Document classification