data hub alpha presentation &...
TRANSCRIPT
Data Hub AlphaPresentation & Demonstration
Christopher KraftViderum
NextGEOSS Summit, Helsinki at FMI
Table of Contents
1. Data Hub
2. Achievements
3. Data Hub Presentation/Demo
4. Development until Open Beta
5. Q&A (hopefully...)
Data Hub1
Data Hub - Introduction
Why?
§ Encourage innovation and business
§ Add value to existing infrastructure
§ Geo data needs to be accessible
Data Hub - Introduction
How?
§ Cloud technology
§ Using open source technology for the Data Hub (CKAN)
§ Making data more accessible
§ Building on recent EuroGEOSSwork
§ User oriented approach
• Using CKAN for the NextGEOSS
data hub
• CKAN development started over
10 years ago
• CKAN specialized to make data
discoverable
• PLUS: Has many features
specially for geospatial data
• Very strong API
• Many updates available
(version 2.7 is coming!)
• Open Source technology
• Active CKAN community
• Proven technology used by
many
Data Hub - CKAN
• Covering some important
regarding Data Hub
• Requirements come from many
different directions
• Ongoing process
• Important: Speaking about
requirements of the hub, not of
NextGEOSS globally
• Multi faceted search
capabilities
• Common information model
• Measure quality of service
• Big spectrum of data
• No stored data on the data hub
• Join the EuroGEOSS ecosystem
• Easy UI
Data Hub – Key Requirements
• Big spectrum of data
• No stored data on the data hub
• Join the EuroGEOSS ecosystem
• Easy UI
Data Hub – Key Requirements
• CIM = Common Information
Model
• Finding a way to catalogue the
data is needed
• CIM seems to be a good
approach
This means:
• Using basic information
available for every dataset
• Setup the schema in CKAN
after this model
• Dublin Core as orientation
• Original schema will stay
attached
Data Hub – CIM
• Only meta data is available on
the data hub
• Real data is linked from the
harvested source
• Original meta data schema gets
interpreted
• As second steps gets
transformed into CIM
Data Hub – Data
• Download will be done through
data providers
• Important to make it clear,
where data is coming from
Data Hub – Harvester
§ CKAN has a strong harvesting engine
§ Improving harvester during the project
§ Created a standardised workflow for this approach
§ Harvester is checking sources for new or updated data regularly
Achievements
Time to shine!
2
Achievements
1. Showable and useable data hub Alpha version
Achievements
2. Integrated design
Achievements
3. First data available (Sentinel)
Data Hub DemonstrationThe presented version is a restricted alpha version and still under development.
Press here to access the portal
3
Development until Open Beta4
Development until Open Beta
• Finish design integration
• Integrate more data sources
• Deploy data hub on NextGEOSS cloud
• Integrate Single Sign-on
• Integrate user feedback tool
• Quality of Service tool
Development until Open Beta
• Extending search capabilities
• Data validation
• Secure high download speed
• Integrate Geo Dab
Thank you!
Q & A