http://www.w3.org/ns/prov#value | - I think they are planning on adding lots of extra ways of increasing this via different forms of participation, but currently it is affected by a per-post rating system; it is disabled for this forum, the lounge and other areas that are considered off-topic, but if you visit one of the technical forums you will see each post asks did you find this helpful? (or something along those lines), and has a
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