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SDC Practice in the Secure Access of the UK Data Service

SDC Practice in the Secure Access of the UK Data Service . Reza Afkhami UK Data Archive / UK Data Service Joint UNECE/Eurostat work session on statistical data confidentiality-Ottawa, 2013. Agenda. UK Data Service - overview Safety nets in User Journey Secure Access training

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SDC Practice in the Secure Access of the UK Data Service

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  1. SDC Practice in the Secure Access of the UK Data Service Reza Afkhami UK Data Archive / UK Data Service Joint UNECE/Eurostat work session on statistical data confidentiality-Ottawa, 2013

  2. Agenda • UK Data Service - overview • Safety nets in User Journey • Secure Access training • Output checking Procedures • Challenges • Questions?

  3. Introducing UK Data Service • Integration of • the Economic and Social Data Service (ESDS), • the Census Programme, • the Secure Data Service (SDS), • Survey Question Bank, • Other elements of the ESRC data service infrastructure • Partnership includes the universities of: • Essex, Southampton, Manchester, Edinburgh, Leeds, UCL • What does it offer? • A single point of access to all data resources • Download facility • Different access modalities • Collaboration with depositors/data owners • Advice, training and on-line materials • Data hosting and preservation services

  4. UK Data Service http://www.ukdataservice.ac.uk

  5. The User Journey

  6. Training • Required for access • Face-to-face, small groups • E-Training due Spring 2013 • 3 components: • Using the SDS • Safety and Responsibility • Statistical Disclosure Control

  7. Output checking Issues • ESSnetStandards • Analytical outputs vs secondary datasets • Final vs Intermediate outputs • Manual checking • Cross-checking • Record keeping of all released outputs • Format vs Content in rejection rate • Context dependant output checking • Secondary disclosure in data structure • Transformation of unsafe outputs to safe

  8. Context: when are data public? Would this map be released if it showed • bookshops on the ONS business register? • majority non-white neighbourhoods? • animal research laboratories on the business register? • Some times we don’t know: • case-by-case basis

  9. 15 141 Motor vehicles 46 Turnover Companies 142 Other transport Name 97 1411 Cars & light vans 18 18 1412 SIC Code 1423 Other non-motor transport 1413 1421 -- 1414 Other motor vehicles Heavy goods vehicles Public service vehicles Bicycles 14 1422 Sailing craft 65 11 3,612 634 332 2,171 5,526 11,359 798 1,205 -- Hierarchical Data: secondary disclosure 2 bus companies with a turnover of 1,423

  10. Challenges • Joint collaboration with researcher • Hard and fast rules vs flexibility • Unpredictable results via complex techniques • How to get efficiency, transparency, security and consistency?

  11. Questions?

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