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The 4 V's of Big Data

Ee36c21b1a92a643c73b120fafe10b54?s=47 Carsten Keßler
September 20, 2012

The 4 V's of Big Data

My slides from the big data panel at GIScience 2012 in Columbus, OH.

Ee36c21b1a92a643c73b120fafe10b54?s=128

Carsten Keßler

September 20, 2012
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  1. The 3 Vs Carsten Keßler | Institute for Geoinformatics |

    University of Münster, Germany http://carsten.io | @carstenkessler of Big Data 4
  2. 1 | Volume LODUM Project LODUM Linked Open Data University

    of Münster
  3. ‣ Integrating data of 70 different types (and counting): 1

    | Volume LODUM Project LODUM Linked Open Data University of Münster
  4. ‣ Integrating data of 70 different types (and counting): ‣

    publications, persons, buildings, courses, cafeteria menus, urban history data, … 1 | Volume LODUM Project LODUM Linked Open Data University of Münster
  5. ‣ Integrating data of 70 different types (and counting): ‣

    publications, persons, buildings, courses, cafeteria menus, urban history data, … ‣ Challenge: reconciliation and de-duplication 1 | Volume LODUM Project LODUM Linked Open Data University of Münster
  6. ‣ Integrating data of 70 different types (and counting): ‣

    publications, persons, buildings, courses, cafeteria menus, urban history data, … ‣ Challenge: reconciliation and de-duplication > 800k resources, > 3 mio triples 1 | Volume LODUM Project LODUM Linked Open Data University of Münster
  7. 2 | Velocity Semantic Sensor Networks / /

  8. 2 | Velocity Semantic Sensor Networks ‣ Does Linked Sensor

    Data make sense at all? ‣ Do we want to provide all sensor data as Linked Sensor Data? / /
  9. 2 | Velocity Semantic Sensor Networks ‣ Does Linked Sensor

    Data make sense at all? ‣ Do we want to provide all sensor data as Linked Sensor Data? ‣ Data streams ‣ Stream processing ‣ Automatically calibrate update frequency / /
  10. 3 | Variety Humanitarian eXchange Language hxl.humanitarianresponse.info

  11. 3 | Variety Humanitarian eXchange Language ‣ United Nations Office

    for the Coordination of Humanitarian Affairs (OCHA) hxl.humanitarianresponse.info
  12. 3 | Variety Humanitarian eXchange Language ‣ United Nations Office

    for the Coordination of Humanitarian Affairs (OCHA) ‣ Integrating messy data from a wide range of humanitarian organizations in a number of formats hxl.humanitarianresponse.info
  13. 3 | Variety Humanitarian eXchange Language ‣ United Nations Office

    for the Coordination of Humanitarian Affairs (OCHA) ‣ Integrating messy data from a wide range of humanitarian organizations in a number of formats ‣ Approach: ‣ semantic annotations ‣ space + time as organization principles hxl.humanitarianresponse.info
  14. 4 | Veracity Trust and Reputation in VGI

  15. 4 | Veracity Trust and Reputation in VGI

  16. 4 | Veracity Trust and Reputation in VGI ‣ Parsing

    the history of single features ‣ Trying to compute credibility on a per-user basis
  17. 4 | Veracity Trust and Reputation in VGI ‣ Parsing

    the history of single features ‣ Trying to compute credibility on a per-user basis ‣ Volume: ‣ Full OSM history dump: 500 GB ‣ Decompressing it takes ~36hours on a decent laptop
  18. William Edwards Deming

  19. In God we trust, all others bring data. William Edwards

    Deming