About: http://webisa.webdatacommons.org/338002159

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	Thus there will always be an even number of values and you can use your highlighting scheme and also raise an error if any box contains anything other than two numbers.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com