1. Disseminating statistics: Internet and Publications course
Eurostat - Air transport statistics
To use descriptive data made available under a license agreement
within an SDMX based statistical production process
Madrid, 4-6 April 2011
Disseminating statistics: Internet and Publications course

2. Air transport statistics…
EU REGULATION ON AIR TRANSPORT STATISTICS
Legal framework
Data provision obligation
Airports, Aircrafts, Airlines
Datasets: A1, B1 and C1
Main data: passengers, freight
flight stages, origin/destination data, airport data
Data collection via Eurostat Single Entry Point for data
Data dissemination via Eurostat Website
and....
Eurostat to provide ICAO codes to MS
Madrid, 4-6 April 2011
Disseminating statistics: Internet and Publications course

3. ICAO: International Civil Aviation Organisation
ICAO codification system is used for:
Reporting country two-letter code. Examples: France, LF; Germany, ED.
Airports. Four-letter location indicator (Document 7910).
Aircraft type. Aircraft type designators as per Document 8643.
Airlines. Four-letter designator (Document 8585).
Madrid, 4-6 April 2011
Disseminating statistics: Internet and Publications course

4. ICAO: International Civil Aviation Organisation
Founded in 1944 following a Convention on International Civil Aviation (Chicago Convention)
Currently about 189 Contracting States
Regarding data dissemination, statistics collected by ICAO are available on-line, free of charge, to staff of the national civil aviation administrations of the Contracting States. For other users, the access is only granted by purchasing a subscription
Madrid, 4-6 April 2011
Disseminating statistics: Internet and Publications course

5. Milestone
Eurostat and ICAO signed a license agreement in November 2010!
Concerns the regular delivery of ICAO data files (after more than 3 years without any updates…).
Limited distribution: only available for a predefined group of users
Madrid, 4-6 April 2011
Disseminating statistics: Internet and Publications course

6. Improvement of data quality
SDMX based pre validation of data:
eDAMIS validation engine used to validate incoming data files having an SDMX-ML format
Allow MS to create data files in SDMX-ML format
AIR Data Structure Definition to be distributed to MS via available channels
SDMX concept: no special arrangements for meta data to be treated as confidentiality
Tools like the SDMX registry do not yet offer public and private areas
Madrid, 4-6 April 2011
Disseminating statistics: Internet and Publications course

7. How do we currently address the problem of code list distribution?
For the incoming data:
Data Structure definition added to the package send quarterly to official receiver of the ICAO codes
Disseminating statistical data on the Eurostat website:
no complete code lists anymore
only descriptions published
Madrid, 4-6 April 2011
Disseminating statistics: Internet and Publications course

8. What about the future data collection and publication?
are these simple measures sustainable?
…when more and more other data sources are used to link with statistical data
…being made available only under certain conditions
….with changing user needs
….with possibly further commercialisation
Madrid, 4-6 April 2011
Disseminating statistics: Internet and Publications course

9. Disseminating statistics: Internet and Publications course
Madrid, 4-6 April 2011
Disseminating statistics: Internet and Publications course

10. Disseminating statistics: Internet and Publications course
SDMX for Data Senders
Initiative for common standards across organizations
Transmission format for statistical data
Based on standard XML
SDMX Data Structure Definition (DSD)
Collection of Code Lists and Concepts used for a Dataset
SDMX Registry
Central Repository for SDMX DSDs and Code Lists
Madrid, 4-6 April 2011
Disseminating statistics: Internet and Publications course

11. eDAMIS Validation Engine for …
Data Receivers
Based on SDMX DSDs
Links to SDMX Registry
Same syntax as eWF for Data Validation
Less iterations for transmissions lowers workload
Data Senders
All transmission channels
Support confidential datasets
Validation transparent to data senders
Full automatic transmission and level 1 validation workflow
Madrid, 4-6 April 2011
15-Oct-10
Disseminating statistics: Internet and Publications course 11

12. Workflow eDAMIS Validation Engine
SDMX Registry
DSDs
Web Service
Browser
SDMX Converter
CSV
Settings
MS Database
Eurostat Production Unit
eDAMIS Server
Validation
SDMX
eWP
eWA
Report
Report
Madrid, 4-6 April 2011
Disseminating statistics: Internet and Publications course