Büttcher, Stefan. Information retrieval : implementing and evaluating search engines / Stefan Büttcher, Charles L.A. Clarke, Gordon V. Cormack. - Cambridge, Mass. : MIT Press, c2010. - xxiv, 606 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 9780262026512 (hardcover : alk. paper) 0262026511 (hardcover : alk. paper) LCCN: 2009048455 Nat. Bib. No.: GBB078068 bnb Nat. Bib. Agency Control No.: 015588828 Uk Subjects--Topical Terms: Search engines--Programming.Information retrieval. LC Class. No.: TK5105.884 BUT 2010