About: http://webisa.webdatacommons.org/330146997

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	Another class of techniques, known as black hat SEO or spamdexing, use methods such as link farms and keyword stuffing that tend to harm search engine user experience.
http://www.w3.org/ns/prov#wasQuotedFrom	globalmarkethub.com