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WGISS / CEOS Lubia Vinhas Lubia Vinhas CAP 378 and Conhecer para não ignorar CAP378 and Conhecer para não ignorar April 20, 2012

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Page 1: LubiaConhecerNIgnorar.ppt [Modo de Compatibilidade]wiki.dpi.inpe.br/lib/exe/fetch.php?media=conhecer:... · 1. Keyword search against GCMD using PROJECT=CWIC. 2. Response is a collection

WGISS / CEOS

Lubia VinhasLubia Vinhas

CAP 378 and “Conhecer para não ignorar”CAP‐378  and  Conhecer para não ignorarApril 20, 2012

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Coordinates civil space‐borne observations of the Earth.  Participating agencies strive to enhance international coordination and data exchange and to optimize societal benefitcoordination and data exchange and to optimize societal benefit

Page 3: LubiaConhecerNIgnorar.ppt [Modo de Compatibilidade]wiki.dpi.inpe.br/lib/exe/fetch.php?media=conhecer:... · 1. Keyword search against GCMD using PROJECT=CWIC. 2. Response is a collection

Proposal: WGISS‐35Proposal: WGISS‐35 in Brazil, INPE.

Page 4: LubiaConhecerNIgnorar.ppt [Modo de Compatibilidade]wiki.dpi.inpe.br/lib/exe/fetch.php?media=conhecer:... · 1. Keyword search against GCMD using PROJECT=CWIC. 2. Response is a collection

Discussion lists and teleconsDiscussion lists and telecons

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Coordinates civil space‐borne observations of the Earth.  Participating agencies strive to enhance international coordination and data exchange and to optimize societal benefitcoordination and data exchange and to optimize societal benefit

Page 6: LubiaConhecerNIgnorar.ppt [Modo de Compatibilidade]wiki.dpi.inpe.br/lib/exe/fetch.php?media=conhecer:... · 1. Keyword search against GCMD using PROJECT=CWIC. 2. Response is a collection

NASA GCMDNASA GCMD

The Global Change Master Directory (GCMD) holds more than 25,000 Earth science data set and service descriptions, which cover subject areas within the Earth and environmental sciencesthe Earth and environmental sciences

http://gcmd.nasa.gov/ (1989). Users can search through the Directory’s website using controlled keywords, free‐text searches, map/date searches orwebsite using controlled keywords, free text searches, map/date searches or any combination of these.  Users may also search or refine a search by data center, location, instrument, platform, project, or temporal/spatial resolution

The project also serves as one of NASA’s contributions to the international Committee on Earth Observation Satellites (CEOS), through which it is known as the CEOS International Directory Network (IDN)

Page 7: LubiaConhecerNIgnorar.ppt [Modo de Compatibilidade]wiki.dpi.inpe.br/lib/exe/fetch.php?media=conhecer:... · 1. Keyword search against GCMD using PROJECT=CWIC. 2. Response is a collection

CEOS IDN DIFCEOS IDN ‐ DIF

The Directory Interchange Format (DIF) (1987) is the "container" for the metadatacontainer  for the metadata elements that are maintained in the IDN database, where lid ti f d t fi ldvalidation for mandatory fields, 

keywords, personnel, etc. takes place. pDIF has full ISO compatibility, since it contains all the l d b helements required by the ISO 19115/TC211 geospatial metadata standard  http://idn.ceos.orgp g

Page 8: LubiaConhecerNIgnorar.ppt [Modo de Compatibilidade]wiki.dpi.inpe.br/lib/exe/fetch.php?media=conhecer:... · 1. Keyword search against GCMD using PROJECT=CWIC. 2. Response is a collection

GCMDGCMD

Revision of existing, and inclusion of new, datasets registered in GCMD: 50 in total and 14 related to CWIC

Page 9: LubiaConhecerNIgnorar.ppt [Modo de Compatibilidade]wiki.dpi.inpe.br/lib/exe/fetch.php?media=conhecer:... · 1. Keyword search against GCMD using PROJECT=CWIC. 2. Response is a collection

Coordinates civil space‐borne observations of the Earth.  Participating agencies strive to enhance international coordination and data exchange and to optimize societal benefitcoordination and data exchange and to optimize societal benefit

Page 10: LubiaConhecerNIgnorar.ppt [Modo de Compatibilidade]wiki.dpi.inpe.br/lib/exe/fetch.php?media=conhecer:... · 1. Keyword search against GCMD using PROJECT=CWIC. 2. Response is a collection

Catalogue Abstract Information Model

General Catalogue Interface Model

Mi i l lMinimal query languageCore queryable attributesCore returnable properties

Core Schema, expressed using the syntax of  Dublin Core Metadata, ISO 15836. Simple: 15 elements, as base text fields,

ISO 19115 (19139): 7 categories of metadata l t E I f ti t i t lit telements. Ex. Information, contraints, quality, etc.

OASIS ebXML Registry Information Model (ebRIM)

extensions

g y ( )

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Catalogue Abstract Information Model

General Catalogue Interface Model

Reference Model Architecture

Conceptual Architecture

HTTP

General interfaces can be bound to several application protocolsZ39.50CORBA

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Source: CEOS IDN Newsletter, September 2011

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CDSR Remote Sensing Data CenterCDSR – Remote Sensing Data Center~ 1 million of scenes

From 01/01/2011 to 04/18/2012

43,047 scenes inserted into the repository: 2,036 AWIF, 7,875 LIS3, 24,855 MODIS , 8,281 TM

25,925 new users and 439,928 requests33% of requests: less than 1 min14% of requests: 1 to 2 min

http://www.dgi.inpe.br/CDSR/

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CEOSS WGISS Integrated Catalog (CWIC)CEOSS WGISS Integrated Catalog (CWIC)

CWIC provides an access point for major CEOS agency catalog systemsCWIC di t ib t i t / d t h t th CEOSCWIC distributes inventory/product searches to the CEOS agency inventory systems using the agency systems native protocolCWIC employs a mediator wrapper architecture to fulfillCWIC employs a mediator‐wrapper architecture to fulfill distributed searchesCWIC exposes an OGC CSW 2 0 2 Core profile/ ISO profile‐CWIC exposes an OGC CSW 2.0.2 Core profile/ ISO profilecompliant interfaces on the front‐endExtensions to the OGC CSW 2.0.2 are designed and utilized in theExtensions to the OGC CSW 2.0.2 are designed and utilized in the CWIC front‐end interface

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CWIC Context Diagram

AC Portal LSI PortalCWIC Clients

CWIC CSW Service Interface

IDN

Legend

CWICMediator

Mediator Core

Legend

CWIC – Wrapper

CSW Interface

CWIC – Mediator

GC CSW ProtocolCSW Interface CSW InterfaceCSW Interface

NOAA CLASS 

Java API

CSW Interface

USGS 

CSW Interface

ECHO Connector Partner’s Native Protocol

To‐be‐defined protocol

Connector Connector

NOAA CLASS‐US

NASA ECHO‐US

USGS Landsat System‐US

AOE‐Beijing‐China INPE‐Brazil

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CWIC Context Diagram

AC Portal LSI PortalCWIC Clients

CWIC CSW Service Interface

IDN

Legend

CWICMediator

Mediator Core

Legend

CWIC – Wrapper

CSW Interface

CWIC – Mediator

GC CSW ProtocolCSW Interface CSW Interface CSW InterfaceCSW Interface

NOAA CLASS 

Java API

CSW Interface

USGS 

CSW Interface

ECHO 

CSW Interface

INPE Connector Partner’s Native Protocol

To‐be‐defined protocol

Connector Connector Connector

NOAA CLASS‐US

NASA ECHO‐US

USGS Landsat System‐US

AOE‐Beijing‐China INPE‐Brazil

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INPE ConnectorINPE ConnectorCSW Interface

INPE Connector

Translates CWS queries in calls to the PHP interfaces Connector

Translates returned data in CSW responses

Describes the search attributes and response elements in

Inventory Service

Describes the search attributes and response elements in INPEs metadata database

Provides a minimum set of PHP interfaces that responsible 

INPE‐Brazil

pfor communicate with local database server 

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INPE ConnectorINPE Connector

Inventory Service

INPE‐Brazil

Service

Thanks to Jeferson Souza!

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CWIC in actionCWIC in actionC C ill id li i f ll d id d ll d h bl f i

http://cwic.csiss.gmu.edu

CWIC will provide a listing of all dataset ids and all data sources reachable from its Mediator in its Capabilities document. Scenario:1. Keyword search against GCMD using PROJECT=CWIC.2. Response is a collection of matching datasets, identified by DIF Entry_ID and 

dataset name.3. Retrieve CWIC Capabilities document from the CWIC server. Human‐readable titles p

and identifiers will be available in the Capabilities document for each CWIC‐accessible dataset. 

4. Submit GetRecords request to CWIC to find matching data granules in brief q g grecords.

5. Select desired granule by ID from GetRecordsResponse.6 Submit GetRecordById request for full record using granule ID6. Submit GetRecordById request for full record, using granule ID.7. Get full record for granule of interest in GetRecordByIdResponse.8. Retrieve data granule from host system using the URL in the full record response.

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Experiment with CSW ServerExperiment with CSW Server

Geonetwork and the CDRS metadata repository

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Interaction with other groupsInteraction with other groups

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Interaction with other groupsInteraction with other groups

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Interaction with other groupsInteraction with other groups

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ConclusionsConclusions

Our participation could be more structuredLots of discussion and documentLots of discussion and document reading/reviewing, in different areasR i d k f INPERepresentatives are expected to speak for INPE Resources are finite and we try to do our best by y ymultitaskingW d l thiWe do learn somethingIt is fun! 

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Lubia Vinhas ‐ [email protected]

THANK YOULubia Vinhas   [email protected]