About: http://webisa.webdatacommons.org/384505441

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 does not seem that any specific posts are failing to send out emails, it appears that only some subscribers are receiving some of the posts, i.e. not all of the subscribers are being sent each email, but some are.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.org