New technologies used in 2010 Census Round – Polish case study Janusz Dygaszewicz Director of...
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New technologies used in 2010 Census Round – Polish case study Janusz Dygaszewicz Director of Central Census Bureau Geneva, 30 September – 03 October 2013
New technologies used in 2010 Census Round Polish case study
Janusz Dygaszewicz Director of Central Census Bureau Geneva, 30
September 03 October 2013
Slide 2
Data collection channels in 2010 Census Round Census
architecture - The IT Census System GIS Technology The
Geostatistics Portal Census organisation support systems Census
staff organization Summary Agenda 2
Slide 3
Data collection channels in 2010 Census Round 3 Including
spatial data reference registers Administrative Sources CAII (CAWI)
Computer Assisted Internet Interview Self-enumeration by Internet
CATI - Computer Assisted Telephone Interview Telephone Interview
Registered on hand-held terminals with usage GPS and GIS service
CAPI - Computer Assisted Personal Interview Interview with
respondents realized by the census enumerator
Mixed model - a combination of data from administrative sources
with data acquired from statistical surveys Mixed Model for Census
5
Slide 6
as a direct source of census data (personalisation of
questionnaires) to create: compilations of buildings, dwellings and
persons list an address-residence register a sampling frame The use
of administrative sources in census 6 Data from administrative
systems was used in the census:
Slide 7
Census architecture - The IT Census System For the purposes of
census design and conduction, the Central Statistical Office of
Poland implemented the IT Census System (ISS) The ISS integrated
various technologies (from Internet data collection portal,
applications installed on mobile terminals, through applications
managing field works and assisting in telephone interviews, to
specialist microdata bases, data warehouses up to analytical and
reporting tools) 7
Slide 8
Public Area
Slide 9
9 XML TXT Registry 1 Metadata server Operational Microdata Base
Registry 2 Registry n Analitycal Microdata Base ETL Tools Portal
CAXI Data processing infrastructure XML Files Statistical Files
Golden Record Metadata SDMX Questionaries
Slide 10
The Metainformation Subsystem gathered indispensable
metainformation describing data and census processes. The task of
the Metainformation Subsystem was to ensure the coherent definition
of statistical objects for the OMB and AMB. The Operational Micro
Data Base (OMB) - system included hardware-system- tool
infrastructure (computer hardware, system software, software tools)
and applications (computer programs that are the result of
programming work). This base enabled the inclusion of data
transmitted in electronic form through four informational channels
by entities and to conduct further data processing. In the OMB
there took place processes connected with the control, correction,
and linking of data, up to their complete cleansing. Next,
depersonalised data were transferred to the Analytical Microdata
Base (AMB). Census architecture - The IT Census System 10 For the
census purposes were implemented the following systems:
Slide 11
The role of the Analytical Microdata Base is to store
depersonalised census data in their final form. In this dataset
every type of statistical analyses is carried out to acquire
results for publication, i.e. the census products. The AMB allows
all the recipients of statistical information to quickly acquire
data in the form of tables, aggregates and hypercubes. The AMB
system constitutes an analytical and reporting platform that
currently enables the statistical preparation of the outcome data
from the National Population and Housing Census 2011. The results
of analyses in the form of documents, reports and breakdowns are
shared with internal and external users. The AMB also allows the
calculation of spatial analysis and aggregates available in the
Geostatistics Portal as maps (cartograms and cartodiagrams). Census
architecture - The IT Census System 11
Slide 12
Electronic media CAII method system 12 OBM ZKS Online
questionnaire system Internet Online methodOffline method Offline
questionnaire Downloading the application file Online Email
Browser
Slide 13
Identification Used to confirm the identity of the respondent.
Entering identification data in a questionnaire (PIN code (PESEL,
NIP) first name, last name) or additional authentication qualities
(f.ex. a place of birth, mothers maiden name) Establishing a new
password which jointly with PESEL was the basis of authentication
within 14 days Self-enumeration by Internet filling the
questionnaire by the respondent 13
Slide 14
14 The most significant functionality of Call Center Hotline
Interviewing Arranging visits by census enumerators Confirming the
identity of the interviewer/census enumerator
Slide 15
Dedicated APN Mobile network Dedicated APN Mobile network CAPI
method system 15 OBM ZKS Dispatching application - - server -
Dispatching application - - server - Communication server WAN CSO
Dispatching application - client - Map server Mobile application
Management of a terminal Cryptographic SIM card Module GPS
Slide 16
In 2010 Census Round a combination of data coming from
administrative registers and geographic sources containing spatial
data was linked with statistical data for the first time. GIS
Technology 16 2010 Census Round registers containing spatial data
administr ative sources
Slide 17
Address point identification system
Slide 18
Spatial address point Identification system
Slide 19
Statistical adress points address points for residential
buildings Statistical distribution boundaries statistical regions
enumeration areas Spatial data compiled in the statistics today
19
Slide 20
The digital maps based on the GIS technology were used during:
20 community updatepre-census field checkcensus survey
Slide 21
Enumerator GIS technology Map module - GIS Ortophotomap
Cadastral Data Assigned Tasks Started Tasks Completed Tasks 21
Slide 22
The portal will allow statistical data presentation in form of
any spatial unit: Geostatistics Portal geo.stat.gov.pl 22 5 grid 1
km 2 grid administrative division urban division statistical
division any other polygon
Slide 23
23 Thematic map region (NUTS1) level
Slide 24
24 Thematic map voivodeship (NUTS2) level
Slide 25
25 Thematic map subregion (NUTS3) level
Slide 26
26 Thematic map county (LAU1) level
Slide 27
27 Thematic map municipality (LAU2) level
Slide 28
28 Cartodiagrams- Choropleths and Proportional symbols
Slide 29
Census organisation support systems Implementation of the
Notification System and the Knowledge Base facilitated effective
communication with all members of the census organizations: In the
Notification System, several thematic sections, so-called projects,
were created. Each project encompassed a selected thematic area. In
the Knowledge Base were gathered up-to-date versions of documents,
including instructions, training materials, and the operational
schedule. To ensure effective management of the remote enumerator
instruction process, the m-learning application was employed. It
was installed on mobile terminals. 29
Slide 30
Census staff organisation 30 Central Census Office Census
Management Centre Central Controllers Cenus Data Processing Centre
Administrators of census systems Voivodship Census Office
Voivodship Management Centre Voivodship Controllers Voivodship Call
Center Statistical Interviewers Gmina Census Office Gmina Leaders
Census Enumerators
Slide 31
Summary simultaneous data collection, without paper, from four
different channels (i.e. administrative registers, Internet
self-enumeration (CAII), direct interviews conducted by census
enumerators, using electronic questionnaires (CAPI), and telephone
interviews conducted by statistical interviewers (CATI)) was used
and implemented on such a large scale for the first time in Europe,
data from 27 administrative registers and 3 non-administrative
systems were effectively integrated, paper questionnaires were
completely eliminated, and were replaced by ICT solutions, 31 The
census in Poland turned out to be innovative project not only
countrywide but also worldwide on grounds of the following facts
and figures:
Slide 32
Summary the use of GIS technology helped to conduct the census
preparatory work and an ongoing census process monitoring and give
possibility to compile and present census results based on
multi-dimensional spatial analyses IT Census System comprised a
number of solutions ensuring the high level of security of the
processed data, the modern statistical data processing technologies
have been developed they will have a considerable influence on the
methodology of on going and future statistical surveys, 32
Slide 33
Instead of a conclusion Census in 2002 180 thousands of census
enumerators 120 mln of questionnaires 1 000 tons of papers At the
end shredding census questionnaires Census 2011 18 thousands of
census enumerators 0 questionnaires 0 tons of papers ca. 40 mln
less better data the more reliable results Infrastructure for
statistical surveys in the future 33
Slide 34
Central Statistical Office - Poland Thank you for your
attention Janusz Dygaszewicz Director of Central Census Bureau
POLAND