About: http://webisa.webdatacommons.org/421937761

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	An exciton is an electron and a hole - an electron vacancy - in a crystal bound together like the proton-electron pair in a hydrogen atom.
http://www.w3.org/ns/prov#wasQuotedFrom	newscientist.com