About: http://webisa.webdatacommons.org/42982097

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	As further examples, the metal or oxides thereof (e.g., silica) can be used in pharmaceutical products, such as drugs, and can assist in or provide time-released properties of the active ingredient.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es