About: http://webisa.webdatacommons.org/368195048

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	This problem is especially challenging because typically no statistics about the key distribution over machines for an input dataset is available at the beginning of a range partition.
http://www.w3.org/ns/prov#wasQuotedFrom	microsoft.com