About: http://webisa.webdatacommons.org/366765662

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 expression can contain one or more <expression> tags and/or one or more <filter-refs> tags, and specifies an operator, such as an AND, OR, NAND, NOR or NOT, for use in its evaluation process.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com