About: http://webisa.webdatacommons.org/119123031

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	Typically, the prior art addresses the problem of reading in a sitting or reclining position where no reasonable flat surface exists for resting reading material such as a book, magazine or newspaper.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es