| http://www.w3.org/ns/prov#value | - contain any unsolicited or unauthorised advertising, promotional materials, junk mail, spam, chain letters, pyramid schemes or other forms of solicitation or advertisement commercial or otherwise, including but not limited to the promotion of religious beliefs in an unsolicitated manner; be made in breach of any legal duty owed to a third party such as a contractual duty or a duty of confidence; b
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