Stanford CS276, "Intro to Information Retrieval," also covers most of the stuff you need to know. In spite of the cruftier name. The textbook is freely availabl

Stanford CS276, "Intro to Information Retrieval," also covers most of the stuff you need to know. In spite of the cruftier name. The textbook is freely available: http://nlp.stanford.edu/IR-book/ http://nlp.stanford.edu/IR-book/