About: http://webisa.webdatacommons.org/140636137

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	I can not really be sure by looking only at that, but take a look at your campaign settings and find out if display networks is activated as the ads may show on sites other than google, not triggering keywords, therefore no clicks.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com