About: http://webisa.webdatacommons.org/44161568

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	Regarding Halliday as 'dry as dust' he is bloody difficult to understand and I had to rely on other books such as Bloor and Bloor's Introduction to SFL.
http://www.w3.org/ns/prov#wasQuotedFrom	usingenglish.com