Post on 05-Apr-2018
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Information Technology at IBGEInformation Technology at IBGE
METHODOLOGY ANDMETHODOLOGY AND
DATABASE DEPARTAMENTDATABASE DEPARTAMENT
Taller sobre SDMX para América Latina y el Caribe (ALC)Luxemburgo
Mar/2011
Hesley da Silva Py
Luiz Antonio Gauziski de Araujo Figueredo
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About About IBGEIBGE
Brazilian institute of Geography and
Statistics Mission
“To portray Brazil with necessary information to theknowledge of its reality and the exercise of the
citizenship.”
National coverage
The network of the IBGE is composed by 27 State
units and 533 agencies spread for all the Brazilian
territory.
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• BME - Multidimensional statistical database;
• SIDRA - On-line dissemination system for
aggregate data;
• METABD - IBGE metadata system.
IBGE Systems for data disseminationIBGE Systems for data dissemination
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BMEBME
Multidimensional StatisticalMultidimensional StatisticalDatabaseDatabase
www.bme.ibge.gov.br
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BME - GoalBME - Goal
The BME project has the goal to supply tools for
searching, recovery and use of statistical information.
The system operate about disaggregated data, that is,
on microdata.
Thus, the BME allows recovery a table of aggregated
data from queries on microdata
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BME - CharacteristicsBME - Characteristics
• Access – Public access for metadata; – Private access for consultation to researches
data.
• Data analisys – Calculation of statistics; –
Calculation of frequencies; – Spatial occurrence; – Data filtering.
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BME - Content and statisticsBME - Content and statistics
• About 3500 access by month;
• About 2500 queries by month;
• About 2 billion of registers;• About 12000 variables;
• 1 Tb of storage.
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BME interfaceBME interface
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SIDRASIDRA
On-line dissemination systemOn-line dissemination system
for aggregated datafor aggregated data
www.sidra.ibge.gov.br
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SIDRA - Composition and goalSIDRA - Composition and goal
The system is composed by: the database of
aggregated data, the system of consultation (mining)
and the tools for loading and definition of data.
The goal is to provide an ample access to the
aggregated data related to the IBGE researches for the
general public.
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SIDRA - Data definition and loadSIDRA - Data definition and load
processprocessThe process of data definition and data load happen
in 4 steps:
– Definição do plano tabular;
– Cadastramento de descritores;
– Tabulação dos microdados;
– Carga e conferência dos dados tabulados.
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SIDRA - TechnologySIDRA - Technology
An application’s server with SO Windows 2000 and
Internet Information Services (IIS 5), Office 2000
Web Components and Internet Map Server (Arc
IMS).
Database Management System (DBMS) Oracle 9i.
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SIDRA - Content and statisticsSIDRA - Content and statistics
• More than 2400 tables with a total of 220 billions of
values;
• About 1400 sessions per day.
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SIDRA interfaceSIDRA interface
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METABDMETABD
IBGE Metadata SystemIBGE Metadata System
www.metadados.ibge.gov.br
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METABD – Composition and goalMETABD – Composition and goal
The main goal of the Metadata system is to assist in
identifying, locating, understanding, management and use
of statistical and geographical data produced fromIBGE's processes.
The system is composed by: the database of metadata,
the system of consultation and the administrative tools for metadata definition.
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METABD - Content and statisticsMETABD - Content and statistics
• Statistical metadata (Intranet)
– Process: 47 (971 ocurrences).
• Geospatial metadata
– Documents: about 4015.
• About 4000 hits per day
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Metadata interfaceMetadata interface
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Information Architecture and SDMXInformation Architecture and SDMX
SDMX Metadata Document
SDMX Data and
Metadata Document
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Population
Variable
Sex
Dwelling
Year
Geographic
Level
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Thanks!Thanks!Hesley da Silva PyHesley da Silva Py
hesley.py@ibge.gov.br hesley.py@ibge.gov.br
Phone: +55 21 21424563Phone: +55 21 21424563
fax : +55 21 21420012fax : +55 21 21420012
Luiz Antonio G. de A. FigueredoLuiz Antonio G. de A. Figueredo
luiz.figueredo@ibge.gov.br luiz.figueredo@ibge.gov.br
phone: +55 21 21424562phone: +55 21 21424562
fax : +55 21 21420012fax : +55 21 21420012