About: http://webisa.webdatacommons.org/283440240

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	This breakdown causes the kneecap to rub against the thigh bone when you move your knee.The breakdown of cartilage in the knee can be a result of trauma, age, or a disease such as arthritis.
http://www.w3.org/ns/prov#wasQuotedFrom	aolanswers.com