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Title	BAYESIAN INSIGHTS ON DISCLOSURE LIMITATION: MASK OR IMPUTE?
Creator/Author	S. KELLER-MCNULTY ; G. DUNCAN
Publication Date	2000 Oct 01
OSTI Identifier	OSTI ID: 766734
Report Number(s)	LA-UR-00-3771
DOE Contract Number	W-7405-ENG-36
Other Number(s)	TRN: AH200038%%610
Resource Type	Conference
Resource Relation	Conference: Conference title not supplied, Conference location not supplied, Conference dates not supplied; Other Information: PBD: 1 Oct 2000
Research Org	Los Alamos National Lab., Los Alamos, NM (US)
Sponsoring Org	US Department of Energy (US)
Subject	99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE; CONSTRUCTION; TRANSFORMATIONS; STATISTICS; DATA-FLOW PROCESSING
Description/Abstract	Statistical agencies seek to disseminate useful data while keeping low the risk of statistical confidentiality disclosure. Recognizing that reidentification of data is generally inadequate to protect its confidentiality against attack by a data snooper, agencies restrict the data they release for general use. Typically, these restricted data procedures have involved transformation or masking of the original, collected data through such devices as adding noise, topcoding, data swapping, and recoding. Recently, proposals have been put forth for the release of synthetic data, simulated from models constructed from the original data. This paper gives a framework for the comparison of masking and synthetic data as two approaches to disclosure limitation. Particular attention is paid to data utility and disclosure risk. Examples of instantiation of masking and of synthetic data construction are provided to illustrate the concepts. Particular attention is paid to data swapping. Insights drawn from the Bayesian paxadigm are provided.
Country of Publication	United States
Language	English
Format	Size: 12 pages
Availability	OSTI as DE00766734 To purchase this media from NTIS, click here
System Entry Date	2006 Jan 30
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