Shapes generated with no errors https://auroral.iot.linkeddata.es/def/marketplace/ontology.ttl 200 product name product name .* Seller Seller has category has category buy buy address address .* has quantity has quantity category name category name .* sell sell category id category id .* stock quantity stock quantity .* seller name seller name .* Customer Customer product id product id .* category type category type .* seller id seller id .* Product Product Stock Stock stock id stock id .* has name has name .* has id has id .* Category Category