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Urban Big Data Centre - Nick Bailey


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Urban Big Data Centre - Nick Bailey

  1. 1. 20/10/2016 1 Big Data for the “devolution revolution” ONS/Centre for Cities Public Policy Forum 14 October 2016 Nick Bailey, Associate Director Urban Big Data Centre The devolution revolution
  2. 2. 20/10/2016 2 Big Data = •Sensors – traffic, CCTV, environmental … •Remote - satellite, LiDAR … •Business systems – transactions, logistics, … •Administrative systems – tax, benefits, health, education … •User-generated – web use, mobile phones, browsing, social media, apps, … •… Naturally-occurring data, not (usually) collected for research purposes Big Data •Strengths include: –Volume - detail –Cost –Timeliness –Low burden –Historical record •Limitations include: –Volume and complexity –Quality and coverage –Integration or linkage –Access – costs and legal UBDC = national data service to enable research on urban issues using ‘big data’ • Data sourcing + knowledge, skills, infrastructure, capacity building to support research • Free to researchers
  3. 3. 20/10/2016 3 Glasgow 2014 Commonwealth Games – impacts of cycling infrastructure investment •City council records on infrastructure investment – 2014 •Strava Metro cycling app data for 2012-15 –Validation against annual cordon counts by city council Images: Brian Riordan – Strava Metro Tracking private renting at neighbourhood level •Rental property listings (Zoopla, Nestoria) •Landlord registration (local authorities in Scotland) •Tenancy deposit schemes (companies or Govt) •Housing Benefits (DWP) –Validation by linkage to large social surveys (LFS, SHS) DCLG Live Tables
  4. 4. 20/10/2016 4 Issues •Access to data from public organisations is challenging –Siloed within organisations –Multiple gatekeepers, unclear ownership –Research use not properly considered –Resource constraints –Political concerns – risks of supporting research •But risks of not supporting research and benefits of doing so