plasma node demonstrators 1/registry : –set of xml descriptors of planetary plasma data (mapskp,...
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Plasma Node demonstrators
1/Registry :– Set of XML descriptors of planetary plasma data (MAPSKP, VEX, MEX)
– Compliant with the SPASE data model 1.2.0
– eXist database (native XML, parameter level)
– Search engine ( measurement type, region)
– Goals: demonstration and experimentation (standard versus user requirements, SPASE extensions, …)
2/Science :– Based on AMDA– Use remote data (MAPSKP, VEX-MAG, HST) and local data
– High level tools and functionalities
– Goals: demonstration and experimentation
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Prototype application on use cases
Registry prototypeSearching the resource location
(MAPSKP, HST aurora, VEX, ACE)
AMDA/PlanetoScience prototype
Access, extraction of the targeted data (distant or local)
Integrated analysis
USER
MAPSKP
Local database
VEX-MAGGraz
HST
Request of resource location
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AMDA Automated Multi-Dataset Analysis (http://cdpp-amda.cesr.fr)
Multi-spacecraft and multi-instrument data -Visualisation-User defined parameter computation-Standard model computation-Data and computed parameter extraction-Event list production and management
Automated and semi-automated (visual) search on the content of the data
Access to external databases (now: CDAWeb, MAPSKP , next: SKR, VEX-MAG, HST images, MEDOC solar data, …)
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LocalDatabase
AMDA
System
CDAWeb
MAPSKP
AMDA/”External Data”
others
SPASE descriptors
SPASE Connector
CDPP (Sitools)
OthersSPASE
descriptors
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Mapskp registry interface
RegistrySpase XML Descriptors
MapsKPserver
Daily update
(data)(metadata)describes
SOAP XQUERY
WEB SERVICES
getAvailableData
data tree
getDatasetInfo
spase descriptor
getDatasetURLs
URLs of granules
AMDABuild data tree Build parameters
Wget(datasetURLs)
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Mapskp Registry Search Engine
• Available @ :
http://cdpp-spase.cesr.fr:8800/exist-1.1.1/xquery/PlasmaNodeRegistry.xql
• Search criteria: – Time span– Measurement type– Observed region– Resource type ( numerical data , display data or catalog)
• Response:– Spase Xml descriptor – Possibility to use XSL style sheet for better presentation
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Plasma Node Registry: Next step
• Implement an OAI interface (to be harvestable by other VOs)
• Add metadata (HST,VEX, …)
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IDIS
Geological Data
Geological Models
Mineralogical Data
AtmosphericComposition DataSpectroscopy
Data
Abundancemodels
Dust DataPlasma Data
MagnetosphericModels
Rings Data
Comet Data
AtmosphereNode
Small BodyNode
Surface/InteriorNode
PlasmaNode
IDIS
User
Implement a Registry for each node ?Which data model ?
Tasks for FP7
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Architecture of IDIS registries• Inventory of resources: to what level ?
– Need at least « measurement type » to implement a use case– For this level of metadata, it is mandatory to use a data model– Current status not sufficient for FP6 ? – Final goal: up to the « parameter » level
• For the current inventory:– it is not necessary to have a distributed architecture ( one search
engine + registry on every node)– It is not necessary to use the SPASE model to describe high level
resources ( person, repository,…) (see IVOA VOResource )– To implement harvestable registries, it is necessary to use a data model
to describe resources unreachable in the FP6 context.• For FP7 we have planned to establish at least one model and
dictionnary for EuroPlaNet:• Study the existing models (IPDA, IVOA,SPASE) to know whether they fit the
requirements of IDIS• One data model for IDIS, and a dictionnary for each node ? Several models?These questions requier a full analysis and experimental study.
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What is necessary to implement a searchable/publishing Registry?
• A data model : SPASE,IVOA, …• A data dictionary• Tools to edit XML descriptors• Schemas to validate the descriptors• A database to store the descriptors• Science and use cases to implement the search
interface• Implement OAI interface to be harvestable
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VSPO : an example of VxO
VSPO: Virtual Space Physics Observatory
http://vspo.gsfc.nasa.gov/websearch/dispatcher
Could be a model for the plasma node(at least) ?
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VSPO metadata registry
• metadata registry based on the eXist XML database• metadata registry accessed via:
– VSPO
– database browser http://vspo.vs3o.aquilent.com/exist/admin/admin.xql
– OAI-PMH :
VSPO's OAI-PMH Repository instance is based on the OAIcat software: http://vspo.vs3o.aquilent.com/oaicat.
to harvest the registry : http://vspo.vs3o.aquilent.com/oaicat/OAIHandler
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