About: http://webisa.webdatacommons.org/291899457

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	For the arithmetics, you can check if the argument is negative to see whether a max or min should be performed and then you can use the \pgfmathresult in the \cellcolor.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com