馃摐 The anatomy of a large-scale hypertextual Web search engine [1998]
By: BrinSergey, PageLawrence
馃摉 https://github.com/papers-we-love/papers-we-love/blob/master/information_retrieval/okapi-at-trec3.pdf
馃攳 https://www.semanticscholar.org/paper/e1da70f7720224b3da02f726aa89cc0b6bdedf49