| http://www.w3.org/ns/prov#value | - umber(object_value); else return false; }function _CF_numberrange(object_value, min_value, max_value) { // check minimum if (min_value != null) { if (object_value < min_value) return false; } // check maximum if (max_value != null) { if (object_value > max_value) return false; } //All tests passed, so... return true; }function _CF_checknumber(object_value) { //Returns true if value is a number or
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