About: http://webisa.webdatacommons.org/205616727

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	Let and be two non-empty sets. is called a -semihypergroup if every be a hyperoperation on , that is, for every , and for every and one has .If every is an operation, then is a -semigroup.
http://www.w3.org/ns/prov#wasQuotedFrom	hindawi.com