the european commission’s science and knowledge service · big data and non-traditional data for...
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![Page 1: The European Commission’s science and knowledge service · Big Data and non-traditional data for migration. The research has provided insights to several Commission services. Venezuelans](https://reader034.vdocuments.mx/reader034/viewer/2022042310/5ed8c8d76714ca7f47688f73/html5/thumbnails/1.jpg)
The European Commission’s scienceand knowledge service
Joint Research Centre
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A changing migration data landscape?
Michele Vespe
European Commission, Joint Research Centre,
Knowledge Centre for Migration and Demography (KCMD)
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Knowledge Centre on Migration and Demography
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Fragmented & scattered data
Discovered, filtered & quality checked catalogue of data sources
Pre-processed data access & visual analytics
KCMDDYNAMIC DATA HUB
MIGRATIONDATA CATALOGUE
To help policy makers, researchers and stakeholders to discover and use data
https://bluehub.jrc.ec.europa.eu/catalogues/data
~140 datasets
To help policy makers, researchers and stakeholders to analyse data
https://bluehub.jrc.ec.europa.eu/migration/app/index.html
~20 datasets
KCMD Initiatives
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KCMD - Dynamic Data Hub
Global stock of migrants by UNDESA
Latest revision just released -data for 1st
Jan 2017
Migrants in GeorgiaDynamic Data Hub
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KCMD - Dynamic Data Hub
Global stock of migrants by UNDESA
Latest revision just released -data for 1st
Jan 2017
Dynamic Data HubGeorgian Diaspora (reverse function)
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KCMD - Dynamic Data Hub
Dynamic Data Hub
EUROSTAT statistics (reverse)
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Big Data for Migration (BD4M) Alliance
The European Commission and the International Organization for Migration launch the Big Data for Migration Alliance (BD4M), a global initiative to unlock the potential of big data sources and provide valuable insights related to migration
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Migration data innovation potential:
1. Spatial Coverage & Periodicity (e.g. Air Traffic Data)
2. Timeliness (e.g. Facebook)
3. Characteristics (e.g. LinkedIn)
4. Granularity in space (e.g. CDR)
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Migration data innovation potential:
1. Spatial Coverage & Periodicity (e.g. Air Traffic Data)
2. Timeliness (e.g. Facebook)
3. Characteristics (e.g. LinkedIn)
4. Granularity in space (e.g. CDR)
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December 2015 March 2016
Air passenger traffic, COL➝ESP Air passenger traffic, PER➝ESP
Migration data innovation potential I:Spatial Coverage & Periodicity
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Migration flows, COL➝ESP Migration flows, PER➝ESP
Migration data innovation potential I:Spatial Coverage & Periodicity
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Visa waiver for Georgia, 28 March 2017
Migration data innovation potential I:Spatial Coverage & Periodicity
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Air traffic passenger data - Mobility
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Air traffic passenger data - Mobility
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Taking into account: - Diasporas/networks - GDP differential - Trade & business - Geographical distance - Mobility channels
Mod
el
Pred
ictio
nAi
r Pas
seng
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Raw
Migration data innovation potential I:Spatial Coverage & Periodicity
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Migration data innovation potential:
1. Spatial Coverage & Periodicity (e.g. Air Traffic Data)2. Timeliness (e.g. Facebook)3. Characteristics (e.g. LinkedIn)4. Granularity in space (e.g. CDR)
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Big Data and non-traditional data for migration
The research has provided insights to several Commission services
Venezuelans in Spain: latest EU official statistics, Spanish Statistical Office, Facebook Network data (improved frequency update & timeliness)
S. Spyratos, M. Vespe, F. Natale, E. Zagheni, I. Weber, M. Rango, working paper on Migration Data using social Media: a European Perspective
Latest EU official statistics: 1-Jan-17,Spanish Statistical Office: 1-Jan-18
Facebook Advertising Platform data: high refresh rate – real time census
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Migration data innovation potential:
1. Spatial Coverage & Periodicity (e.g. Air Traffic Data)2. Timeliness (e.g. Facebook)3. Characteristics (e.g. LinkedIn)4. Granularity in space (e.g. CDR)
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Migration data innovation potential III:Characteristics
Example of highly-skilled migrants using LinkedIn advertising
platform
370
270220 220
190150 140 130 130
100 80 80 70 50 40 40 40 30 30 30 30 20 20 10 10 10
… In Germany
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Migration data innovation potential:
1. Spatial Coverage & Periodicity (e.g. Air Traffic Data)2. Timeliness (e.g. Facebook)3. Characteristics (e.g. LinkedIn)4. Granularity in space (e.g. CDR)
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Assembling the data from Census 2011
Census tract: ES, IT, IE, UK, FR Grid 100x100 m: DE Postal codes NL
Migration data innovation potential IV: Granularity (space)
D4I - Data for Integration
Data Challenge
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D4I - Data Challenge
• Migration and housing market in Italy
• Migration and electoral outcomes (NL, IT, ES, DE)
• Temporal evolution of segregation (2001 vs 2011 Census)
External projects through the Data Challenge
KCMD internal projects
Migration data innovation potential IV: Granularity (space)
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Migration data innovation potential IV: Granularity (space)
Density of mobile phonetraffic with China and areas of highest concentration of migrants from 2011 Census
Sources: - Italian Census Data & - Call Detail Records, Telecom Italia
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Any questions?You can find me at @M_Vespe & [email protected]