About: http://webisa.webdatacommons.org/pattern_p31a

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/2000/01/rdf-schema#label	p31a
http://www.w3.org/2000/01/rdf-schema#comment	NPc example of this is Npi
http://www.w3.org/ns/prov#wasDerivedFrom	http://dx.doi.org/10.14198/raei.2011.24.09
http://webisa.webdatacommons.org/ontology#hasRegex	(\p{L}|\d)["\u0026\u0027\u2018\u2019\u201A\u201B\u201C\u201D\u201E\u201F\u00A9\u00AE]?\,?\sexample\sof\sthis\sis\s[\u0027\u2018\u2019\u201A\u201B\u201C\u201D\u201E\u201F\u0022]?(\p{L}|\d)
http://webisa.webdatacommons.org/ontology#hasType	compact