They have not nailed the "Knowledge-Based Trust: Estimating the Trustworthiness of Web Sources" yet paper here(paper by google): http://arxiv.org/pdf/1502.0351

They have not nailed the "Knowledge-Based Trust: Estimating the Trustworthiness of Web Sources" yet paper here(paper by google): http://arxiv.org/pdf/1502.03519v1.pdf http://arxiv.org/pdf/1502.03519v1.pdf