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From tables to (knowledge) graphs
Knowledge graphs = list of triples (head, relation, tail) or (h, r, t)
e.g. (Paris, capitalOf, France)
San Francisco
San Diego
California
0.87M
State
1.4M
Population
City Population State
San Francisco 0.87M California
San Diego 1.4M California
(San Francisco, Population, 0.87M)
(San Francisco, State, California)
(San Diego, Population, 1.4M)
(San Diego, State, California)
Table representation Triple / Knowledge graph
“Head” column
San Francisco
San Diego
California
0.87M
State
1.4M
Population
City Population State
San Francisco 0.87M California
San Diego 1.4M California
(San Francisco, Population, 0.87M)
(San Francisco, State, California)
(San Diego, Population, 1.4M)
(San Diego, State, California)
“Head” column
The two representations
are (almost) equivalent:
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