About: http://webisa.webdatacommons.org/168605673

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	Did you try putting a breakpoint inside the OnActionExecuting method of your custom action filter to verify if the request made was an AJAX request?
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com