About: http://webisa.webdatacommons.org/173404326

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	The use of shards in this way has some drawbacks, including the difficulties of rebalancing shards, and the fact you can???t carry out cross-shard transactions or joins.
http://www.w3.org/ns/prov#wasQuotedFrom	i-programmer.info