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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	rel=nofollow title=#endnote_7>[7]</a></sup></span></sup> Developing such a price signal involves variables such as the magnitude and nature of the market signal, and the timing, direction, and duration of it.
http://www.w3.org/ns/prov#wasQuotedFrom	eoearth.org