About: http://webisa.webdatacommons.org/428589860

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	So a homomorphism $\phi\colon R o S$ between integral domains (which necessarily have $1\neq 0$) which sends $1$ to $1$ has kernel equal to a maximal ideal if and only if the image is a field.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com