Introduction

e-Census system for 2005

Integrated e-Census system for 2010

Supplement

1. Significances of a Census

2. Methodological change in Censuses

Introduction

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1. Significance of a Census

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2. Methodological change in Censuses

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-Traditional Census : Enumerators visited all householdsTraditional Census : Enumerators visited all households

- Decentralized data input and edit Decentralized data input and edit 20002000

- Introduce a registration census conceptIntroduce a registration census concept

- Use ICT fully : Web-based data capturing systemUse ICT fully : Web-based data capturing system

- The first Internet survey(0.9% households) and data collectingThe first Internet survey(0.9% households) and data collecting20052005

- Extend the registration census concept(administrative and registry Extend the registration census concept(administrative and registry data)data)

- Target Internet survey participation rate up to 30%Target Internet survey participation rate up to 30%

- Use the ICR extensivelyUse the ICR extensively

- Improve the IT infra and applications of 2005 CensusImprove the IT infra and applications of 2005 Census

20102010

1. What’s done in 2005 e-Census

2. Workflow e-Census system 

3. 2005 e-Census’s Suggestion

e-Census system for 2005

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1. What’s done in 2005 e-Census

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3/20

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 CensusHousehold structure

changed- Dual-income households- Elderly households- One-person households

Development of information technology

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2. Workflow e-Census system

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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-CensusPortal

Main data ProcessingSystem

Internet surveyManagement

Communication

Infrastructure

C/S Middleware

InfrastructureDBMS

SMS sendingsolution

Email sending solution

General public

Staff

Other Office

Other Systems

Credit ratings agencies

Credit ratings agencies

KOSIS DBKOSIS DB

DataData

Housing DBHousing DB

DataData

Address DBAddress DB

DataData

Enumeration district DB

Enumeration district DB

DataData

Industry/occupation classification codingIndustry/occupation classification coding

Cyber training for enumeratorsCyber training

for enumerators

GIS DBGIS DB

ICRICR

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.

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2. 2005 e-Census’s Suggestion

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2010Census

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

2010Census

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 2010

2. Directions of 2010 system

3. 2010 Architecture

4. e-Census system

Integrated e-Census system for 2010

Meeting on the Management of Statistical Information Systems(MSIS 2009)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

10/12

.

.

.

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2. Directions of 2010 e-Census architecture

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•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)

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3. 2010 Architecture(1)

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•For the accurate Internet survey

- Feedback system (SMS or E-mail) 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/Email sending

Edit & Imputation system

Define edit rules

SMS sending

Email 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 storageDATA provisionReference to

administrative data

Administrative data DB

`

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3. 2010 Architecture(2)

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Integrated e-Census system

Agriculture, Forestry and Fishery Census

Economy Census

Integrated e-Census System

Internet survey/Public relations

contents

Register managementInput/edit

Enumerators

Population and Housing Census

Internet surveyEdit

& imputation

Online survey management

Cyber training

Training

status

Input status Edit status

Integrated edit

Respondents

Progress status/Operation team

KNSO

ICR input

Register

Input & edit

Input and edit

Infrastructure Reuse

2010E-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

IBMP595

• WEB Server 2 each server 7 partition• WAS Server 2

each server 4 partition• DB Server 2,

each server 6 partition

2011EconomyCensus

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

`

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4. e-Census System(Summary)

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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

`

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e-Questionnaire design

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•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

HTMLpublication

Reference to

responses

Administrative data

Internet survey

DB

Survey items

Response code

ScreenCharacter-istics

Input & editing rule

Survey items, code information

ItemCharacter-istics

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