Equation: (Exact Phrase Hit)+(AdjacencyFactor)+(Weight) * (PageRank/Links) Google ignores some words*: a, about, an, and, are, as, at, be, by, from, how, i, in, is, it, of, on, or, that, the, this, to, we, what, when, where, which, with Google's Boolean Modifiers • AND is always implied. • OR: Escobar (Narcotics OR Cocaine) • "-" = NOT: Escobar -Pablo • "+" = MUST: Escobar +Roberto • Use quotes for exact phrase matching: – "nobody puts baby in a corner" Review: Basic Search • Use the plus sign (+) to force a search for an overly common word. Use the minus sign (-) to exclude a term from a search. No space follows these signs. • To search for a phrase, supply the phrase surrounded by double quotes (" "). • A period (.) serves as a single-character wildcard. • An asterisk (*) represents any word—not the completion of a word, as is traditionally used.