Depending on the Others: Producing and Using Geospatial...
Transcript of Depending on the Others: Producing and Using Geospatial...
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Markus Jobst
Depending on the Others: Producing and Using Geospatial Information in Service-Oriented Architectures
LBS/SOMAP 2014, Vienna
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Outline
■ Geospatial examples of production and modern usage
■ Characteristics of the SOA approach
■ Management methodologies and toolbox
■ Conclusion
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Maps - UI, Devices, Gadgets
[2014] Google GLASS
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Einleitung
[2014] www.splashmaps.net
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Modern Map ProductionKey-requirements approaching geospatial infrastructures
■ Driving parameters (key requirements) in Modern Map Production are
□ Time/Actuality
□ Accessibility
□ Quality (geometric, semantic, pragmatic)
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Extended Information Sources
■ Direct embedding VGI in map production workflows; public as a sensor and geoinformation source (unknowingly or actively)
■ Public/user as quality management
□ receiving feeback for quality improvements or
□ observing changes
[2014] Data Mining, www.openstreetmap.org[2014] Information Tracks, www.52north.org
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Extending geospatial networks
www.linkeddata.org
■ Internet of Things
■ Linked Data
■ GeoIntelligence
www.silabs.com
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Geospatial networks/infrastructuresAdditional frameworks
■ Realtime Visualization of geospatial situations and cross-linked sensors (e.g. traffic, air- and water quality)
■ Apparent scalelessness; smooth transitions between „scales“
■ Enormous data amounts
http://www.opengeospatial.org/pub/www/files/SensorCollage.jpg2014 Richter, www.hpi3d.de
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Service-Oriented Architecture (SOA)?
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SOA approachCharacteristic/paradigm
Simplification of
■ Publish
■ Search and Find,
■ Access (technical, organisational and legal),
■ Bind / Use of geoinformation (e.g. for service-oriented map production)
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■ Decentralized networked infrastructure
■ Responsible stakeholders for single system components
■ combined stewardship
■ Ubiquitous accessibility
■ Publishing and maintenance by the responsible provider
□ sharpening competencies
□ reducing/controlling redundancy
SOA approachImpact
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Geospatial obstacles within the SOA approach
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Overcoming geospatial obstacles within the SOA approach
■ Supranational (apriori) homogenisation of geospatial information preparation
■ Defining/preparing concrete use cases of visualization, reports or even adaptive maps
= product definition/ development
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[2014] www.ethiopianreview.com
Quality with SOA/GDIAdditional quality considerations/requirements
■ Infrastructure quality
□ Performance and consistency of search- and result delivery
□ Performance and capacity ofservices and data access
□ Standard conformity
□ Safety and reliance
□ Availability
■ „Freedom for use cases“
□ Support of serendipity effects: generating added values by „free“ orchestration of data and services
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[2014] sdi4philippines.blogspot.com
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SOA approach
■ Dependency: a SOA behaviour
□ unconsidered system component dependencies (impact on planning and implementation)
□ missing/not working system components(e.g. based on architecture variations; load balancing; ..)
□ system failures
□ maintenance downtime
□ ...
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Rolle der NMCA
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SOA approach
Governance of geospatial infrastructure
maintenance/development?
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Identification of Requirements
■ Further development of map production automating
■ Process networks of geoinformation- and map production
■ Modified and more efficient concepts of an ongoing change management of the infrastructure components
■ Education: ongoing recreation of trainings and open accessibility
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■ Measureability of system dependencies (product states, revision cycles, license-, version-, software- and format dependencies)
■ Measureability of dependencies of use (dependencies of applications and their use)
Evaluating impact and possibilities
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■ Visualization and „decision cockpit“ for process and dependency governance
Visualization
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Management tools
only theory?
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Management tools Proof of concept
Monitoring and evaluation of the external situation
Monitoring and evaluation of the internal situation
Modification of the external picture
Modification of the internal situation
Process landscapeincl. dependencies
Assessment of all information and deviating decisions
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Management tools Proof of concept – balanced geo-product scorecard
Importance of a product(usage, market situation, relevance, image, ...)
Island position / quality characteristics(covered area, quality constraints, ...)
Actual map production processes(hw-sw dependencies, ressources, complexity, ...)
Potential of change(Organisational effort, financial effort, additional demand, ...)
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Management tools Product-based process landscape
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conclusion?
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Conclusion
■ SOA approach highly needed in
modern map production
■ „Dependency on the others“ is a main characteristic within SOA
■ Appropriate management structures are urgently needed (stewardship, cross-organisational process- and change management)
■ Geospatial specific management tool derivations
■ e.g.: impact of OGD requirements on evaluation parameters?
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Resume
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Outline
■ Geospatial examples of production and modern usage
■ Characteristics of the SOA approach
■ Management methodologies and toolset selection
■ Conclusion