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ONS Dissemination Event 16.05.11

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ONS Dissemination Event 16.05.11

  1. 1. and the 2011 Census API<br />Alan Lewis<br />SASPAC Project Officer<br />Greater London Authority<br />ONS Census 2011 Dissemination Event<br />London, 16th May 2011<br />
  2. 2. Overview<br />Background<br />2011 Census Preparations<br />FR3 Experience<br />2011 API Suggestions<br />
  3. 3. Background<br />Software application to interrogate and access Census data<br />Owned by the Local Government Association<br />Managed/developed on behalf of LGA and users by the Greater London Authority (GLA)<br />“Not for Profit” - owned and managed by the Public Sector<br />
  4. 4. Background<br />Users include: local, central and regional government, health sector, academia, Census Offices, private sector<br />Historically taken bulk release Census outputs from all three Census Offices, processed these and distributed to our users<br />Experience of the same problems as others: data specifications, formats, QA, updates/re-releases <br />Part of group that approached ONS in 2007 with data feed suggestion<br />
  5. 5. 2011 Census Preparations<br /><ul><li>ReadyingSASPAC for publication of 2011 Census data
  6. 6. Already had experience of NeSS Data Exchange (API) – Web Services Wizard
  7. 7. Partner working with ONS, NOMIS and Manchester University to help develop the 2011 Census API
  8. 8. began in early 2010 and an ‘alpha’ version made available to Partners in December (using 2001 test data)</li></li></ul><li>2011 Census Preparations<br />Proof of Concept:<br /><ul><li>Aim: build a demonstration application that consumed the ONS API (FR3)
  9. 9. Java client within SASPAC that requests/parses data from Censusand NDE API services
  10. 10. Integration with SASPAC’s existing tools and an initial exploration into OS API</li></ul>Launch video<br />
  11. 11. API’s RESTful construction via URIs was relatively straight forward to use<br />data delivery format (SDMX) is flexible and good for linking detailed metadata, although verbose and initial learning curve<br />(limited) functionality worked well and responsive<br />need to explore scalability<br />FR3 Experience<br />
  12. 12. 2011 API Suggestions<br />Some high level:<br />Data rich (datasets + geography + metadata) <br />Accessible (responsiveness + licensing)<br />Supported (documented, forums, sample clients/code)<br />Timely: ‘API should be just another channel’<br />
  13. 13. 2011 API Suggestions<br />Some specific:<br />“dimensional intelligence”<br /> e.g. having selected age/sex/ethnic group be able to query the geographical levels available<br />hierarchic support - both geographical and variable<br />rich item-level metadata <br /> e.g. variable description, table/cell ids, ref. to glossary and Census original question<br />geographical metadata (lookup files/pop centroids)<br />
  14. 14. Thank you<br />Contact:<br />020 7983 4348<br />info@saspac.org<br />www.saspac.org<br />

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