About: http://webisa.webdatacommons.org/267886378

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	it will be fetching millions of tweets so performance is an issue i want to check if the tweet_id exists before in the table before adding it in the same Query the table schema is : *id* | tweet_id | text
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com