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Local Recoding by Maximum Weight Matching for Disclosure Control of Microdata Sets
, 1999
"... We propose "local recoding" as a new technique for controlling disclosure risk of microdar sets.Compa03 to the technique ofgloba recoding, where the observed va043 a0 grouped intobroaM7 intervar orca0000FPG throughout the daF set, in lo recoding di#erent grouping is performed for ea h obse ..."
Abstract
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We propose "local recoding" as a new technique for controlling disclosure risk of microdar sets.Compa03 to the technique ofgloba recoding, where the observed va043 a0 grouped intobroaM7 intervar orca0000FPG throughout the daF set, in lo recoding di#erent grouping is performed for ea h observaser whennecessa4 . Asa mea0 of performing lo ca recoding we propose to form pamF of closeindividuaF an recode observed va74U withinea hpaU7 Foroptima04 formingpami wecaemployEdmonds'amonds'F (Edmonds (1965)) ofmaMU um weightma7 hing. We illustraH the technique bya7723UF it to theJaFM0GH vita statistics data.
