ITU‐T's Technical Reports and Specifications 685 Table of Contents Page 1 Introduction ........................................................................................................... 688 1.1 Scope .............................................................................................................. 688 1.2 Background ..................................................................................................... 688 2 The demand of open data in SSC ............................................................................ 691 2.1 The Contents of open data ............................................................................. 691 2.2 The objective of open data ............................................................................. 693 2.3 Relationship between open data and smart sustainable cities ..................... 694 3 The framework of open data .................................................................................. 694 3.1 The principles of overall design ...................................................................... 694 3.2 The framework of overall design .................................................................... 695 4 Open data handling in SSC ...................................................................................... 699 4.1 Barriers and constraints in open data ............................................................ 699 4.2 Security protection and privacy preservation of open data .......................... 701 4.3 Policy and regulation ...................................................................................... 702 5 Technologies related to open data in SSC ............................................................... 703 5.1 Metadata management .................................................................................. 703 5.2 Linked data ..................................................................................................... 704 5.3 Data visualization ........................................................................................... 707 5.4 Social networks ............................................................................................... 709 5.5 Anonymization technology ............................................................................. 710 6 The management of open data in SSC .................................................................... 711 6.1 Executive institution management ................................................................ 711 6.2 User management .......................................................................................... 712 6.3 Quality management ...................................................................................... 712 6.4 Security management .................................................................................... 714 6.5 Operation management ................................................................................. 716 7 Use cases ................................................................................................................ 718 7.1 Case study 1. Data.gov ................................................................................... 719 7.2 Case study 2. Data.gov.uk .............................................................................. 721 7.3 IT dashboard ................................................................................................... 722 7.4 Open data movement in China ...................................................................... 723 7.5 Open data services with privacy data and anonymization ............................ 725 8 Expected (anonymous) applications of open data in smart sustainable cities ......... 728 8.1 Application of open data on smart forecasts ................................................. 728