O'Neil, Cathy, Weapons of math destruction : how big data increases inequality and threatens democracy / Cathy O'Neil. - First edition. - London: Penguin Books, 2016. - x, 259 pages ; ISBN: 9780141985411 Subjects--Topical Terms: Big dataBig dataSocial indicatorsDemocracy Dewey Class. No.: 005.7 O'NE