About: http://webisa.webdatacommons.org/9830818

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	You have an eventNew event that occurs whenever you add a new item to the calendar, you can write a handler to for this + send the data to some sort of service that will perform the database operation.
http://www.w3.org/ns/prov#wasQuotedFrom	codeproject.com