val trust_weight : floatTrust weight in the range 0.0, 2.0. * Influences the importance of trust vs similarity in the scoring of nodes: * sim^(e-2) * trust^e, where * - sim is the similarity metric of the node, * - trust is the trust value assigned to the node, * - e is the trust_weight
val min_trust : floatMinimum trust required for a node to be considered for merging into the view