Introduction e-Census system for 2005 Integrated e-Census system for 2010 Supplement

1. Significances of a Census 2. Methodological change in Censuses Introduction

Meeting on the Management of Statistical Information Systems(MSIS 2009) 1. Significance of a Census 1/12

Meeting on the Management of Statistical Information Systems(MSIS 2009) 2. Methodological change in Censuses 2/12 -Traditional Census : Enumerators visited all households - Decentralized data input and edit Introduce a registration census concept - Use ICT fully : Web-based data capturing system - The first Internet survey(0.9% households) and data collecting Extend the registration census concept(administrative and registry data) - Target Internet survey participation rate up to 30% - Use the ICR extensively - Improve the IT infra and applications of 2005 Census 2010

1.What’s done in 2005 e-Census 2.Workflow e-Census system e-Census’s Suggestion e-Census system for 2005

Meeting on the Management of Statistical Information Systems(MSIS 2009) 1. What’s done in 2005 e-Census 4/12 3/2 0 Challenges Reduced respondent’s burden  Introduce registration census concept  Pilot project of Internet survey Increased economical efficiency  Outsourcing  Apply New ICT(Web) Strengthening privacy protection Solutions Non-response rate increased & Difficulty in traditional Census Household structure changed - Dual-income households - Elderly households - One-person households Development of information technology

Meeting on the Management of Statistical Information Systems(MSIS 2009) 2. Workflow e-Census system 5/12 Population and Housing Census Data Processing System Census Data Processing System Compilation and analysis  Enumerator information  Questionnaire data  Household list  District information  Enumerator information  Household list e-Census Portal Main data Processing System Internet survey Management Communication Infrastructure C/S Middleware Infrastructure DBMS SMS sending solution sending solution General public Staff Other Office Other Systems Credit ratings agencies KOSIS DB Data Housing DB Data Address DB Data Enumeration district DB Data Industry/occupation classification coding Cyber training for enumerators GIS DB ICR Census Preparation System Census Biz Systems Interface Systems Biz part : preparation, data processing and compilation & analysis. Interface part : portal, data processing and Internet survey mgt. Connecting systems : individual authentication, ICR for institution’s ED, Auto-Coding system, Housing DB etc.

Meeting on the Management of Statistical Information Systems(MSIS 2009) e-Census’s Suggestion 6/ Census  Tight work schedule - All work should be done in a year  Questionnaire settlement delayed  All preparation and system development started in 2009  Pilot survey fully launched - ICR input and Internet survey test - Imputation & editing test 2010 Census  One-time use  Insufficient security  Internet circuit overload  Substitute temporary(civil) network for governmental network ＊ MPLS VPN  Multi-time use  Advanced security - Apply a logical & physical security  Bandwidth extension

1.Differences between 2005 and Directions of 2010 system Architecture 4.e-Census system Integrated e-Census system for 2010

Meeting on the Management of Statistical Information Systems(MSIS 2009) 1. Comparision 2005 and 2010  Web-based architecture inputted by local enumerators(decentralized)  One-time use  ICR method, Build Internet survey-oriented architecture  Reuse resources of population Census on 2010 Agriculture/Forestry/Fishery, 2011 Economy census 10/

Meeting on the Management of Statistical Information Systems(MSIS 2009) 2. Directions of 2010 e-Census architecture 7/12 WEB, Goal for 30%, Internet survey ICR, Using the ICR extensively Improve 2005 e-Census’s resources Interoperability to following censuses System reuse and interoperability for 3 main Censuses (Population and Housing, Agriculture/Forestry/Fishery, Economy)

Meeting on the Management of Statistical Information Systems(MSIS 2009) Architecture(1) 8/12 For the accurate Internet survey - Feedback system (SMS or ) for erroneous data -080 toll-free telephone service system for those who give up filling out questionnaires For the rapid Internet survey -Automate e-questionnaire design process -Participation, survey input and edit functions concurrently Searching for passwords Users Local governments /Branch Offices 080 Internet survey participants Authentication of family members staying in other regions Assign unique numbers to participants Encourage respondents who give up responses to fill out questionnaires SMS/ sending Edit & Imputation system Define edit rules SMS sending sending Questionnaire design Reflect input and edit rules Internet survey errors Internet survey participation Internet survey input Internet survey edit Internet survey management Participant management KNSO Internet survey DB DATA storage DATA provision Reference to administrative data Administrative data DB

` Meeting on the Management of Statistical Information Systems(MSIS 2009) Architecture(2) 9/12 Integrated e-Census system Agriculture, Forestry and Fishery Census Economy Census Integrated e-Census System Internet survey/ Public relations contents Register management Input/edit Enumerators Population and Housing Census Internet survey Edit & imputation Online survey management Cyber training Train ing statu s Input statusEdit status Integrated edit Respondents Progress status/ Operation team KNSO ICR input Register Input & edit Input and edit Infrastructure Reuse 2010 E-Census IBM P595 WEB Server 2 each server 4 partition WAS Server 2 each 2 partition DB Server 2, 1 Full Partition, another 3 partition IBM P595 WEB Server 2 each server 7 partition WAS Server 2 each server 4 partition DB Server 2, each server 6 partition 2011 Economy Census Reorganization Reusing Application Common functions reused - Online survey management system - Cyber training - Internet survey -ICR input system - E&I system Infrastructure reorganization for the following Censuses

` Meeting on the Management of Statistical Information Systems(MSIS 2009) 4. e-Census System(Summary) 11/12 1. Apply the virtualization technologies 2. Maximize resource utility by partitioning technology 3. Reallocate real time resource dynamically 4. Reorganize the servers by survey period 5. Duplex configuration to network and system failures 1. Reinforce a registration census concept 4. Automate data collection processes : Internet + ICR 5. Automate the editing & imputation process 3. Build a reusable system 2. System development is outsourced to IT expertise associate

e-Questionnaire design Supplement

` Meeting on the Management of Statistical Information Systems(MSIS 2009) e-Questionnaire design 12/12 Improve the Internet survey system continuously -Wizard function will be reinforced - One-stop services will be realized Survey items management Questionnaire design Meta DB Edit & imputation Editing rule Survey template By respondent (Complete and sample survey form) Special district Institutional district Multi-languages support(English et al) By age Complete and Sample questionnaire By educational attainment Internet survey input Questionnaire for institutions Individual input Batch input Questionnaire for foreigners General respondents Foreigners Internet Institutions HTML publication Reference to responses Administra tive data Internet survey DB Survey items Response code Screen Character- istics Input & editing rule Survey items, code information Item Character- istics