About: http://webisa.webdatacommons.org/249019266

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	So, we want to find the chromaticity of graph G. This will be easy once we recognize the graph is an interval graph, which is a perfect graph, those have chromaticity equal to cliqueness, and both can be found by a simple algorithm.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com