Inspire dt ns ir1 on discovery services
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INSPIRE DT NS IR1 on Discovery Services. Michel Grothe. Agenda. INSPIRE directive and discovery services INSPIRE IR1 discovery service; core and specific requirements Motivation for the INSPIRE discovery service Performance requirements Open issue(s). 1. INSPIRE discovery services (1).

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INSPIRE DT NS IR1 on Discovery Services

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Inspire dt ns ir1 on discovery services

INSPIRE DT NS IR1 on Discovery Services

Michel Grothe


Agenda

Agenda

  • INSPIRE directive and discovery services

  • INSPIRE IR1 discovery service; core and specific requirements

  • Motivation for the INSPIRE discovery service

  • Performance requirements

  • Open issue(s)

INSPIRE DT NS IR1 on Discovery Service


1 inspire discovery services 1

1. INSPIRE discovery services (1)

INSPIRE DT NS IR1 on Discovery Service


1 inspire discovery services 2

1. INSPIRE discovery services (2)

INSPIRE DT NS IR1 on Discovery Service


1 inspire discovery services 3

1. INSPIRE discovery services (3)

This ‘linking’ service is also offered in the context of a discovery service as a capability of the discovery service.

INSPIRE DT NS IR1 on Discovery Service


2 inspire ir1 discovery service core requirements

2. INSPIRE IR1 discovery service; Core requirements

  • OGC CSW ISO 19115/19119 Application Profile v2.0.2 is the interface service specification for the INSPIRE Discovery Service

  • Normative reference:

  • OGC 07-045, CSW ISO AP, OGC™ Catalogue Services Specification 2.0.2 - ISO Metadata Application Profile for CSW 2.0, version 1.0 (2007)

INSPIRE DT NS IR1 on Discovery Service


2 inspire ir1 discovery service specific requirements on service capabilities related to article 12

CSW ISO AP operations

CSW ISO AP operation requirements

INSPIRE CSW ISO AP operation requirements

OGC_Service.GetCapabilities

mandatory

mandatory

CSW Discovery.DescribeRecord

mandatory

mandatory

CSW Discovery.GetDomain

mandatory

mandatory

CSW Discovery.GetRecords

mandatory

mandatory

CSW Discovery.GetRecordById

mandatory

mandatory

CSWT Manager.Harvest

Optional

mandatory

CSWT Manager.Transaction

Optional

mandatory

2. INSPIRE IR1 discovery service; Specific requirements on service capabilities related to article 12

INSPIRE DT NS IR1 on Discovery Service


3 motivation for the ogc csw iso ap 2 0 2

3. Motivation for the OGC CSW ISO AP 2.0.2

  • Review existing catalogue standards for the spatial domain

  • SDIC/LMO reference material (analysis) of DT MD and DT NS

  • Metadata survey by JRC

  • Distributed catalogue pilot JRC (2006)

INSPIRE DT NS IR1 on Discovery Service


Review existing catalogue standards

Review existing catalogue standards

  • Existing catalogue standards considered:

  • OGC Catalogue Service for the Web (CSW)

  • Z39.50 search and retrieval protocol

  • EbXML Registry Service

  • Universal Description, Discovery and Integration (UDDI)

INSPIRE DT NS IR1 on Discovery Service


Reference material analysis on deployment of catalogue standards

Reference material analysis on deployment of catalogue standards

  • Clear perspective on use of DC and ISO 19115/19119 in metadata reference material of SDIC/LMOs (from DT MD)

  • DT NS reference material of SDIC/LMOs show few references on use of catalogue service standards in Europe

  • INSPIRE metadata survey by Novak & Cragia (2006)

INSPIRE DT NS IR1 on Discovery Service


Metadata survey jrc novak graglia 2006

Metadata survey JRC (Novak & Graglia 2006)

INSPIRE DT NS IR1 on Discovery Service


4 performance requirements

4. Performance requirements

  • Performance; The time for sending initial response to service request in normal situation shall be 3 seconds. This time includes sending discovery service errors or exceptions. For the Discovery Service, this time shall allow to send 250 Metadata records. Normal situation represents periods out of peak load. It is considered to be 90% of the time.

  • Availability; The probability of the Discovery Service to be up shall by 99% of the time, no more than 15 minutes downtime per day during working hours.

  • Capacity; The minimum number of simultaneous service requests served according to the performance requirement shall be 100 for the Discovery Service.

INSPIRE DT NS IR1 on Discovery Service


5 open issues under discussion in dt ns

5. Open issues (under discussion in DT NS)

  • Mapping INSPIRE search metadata elements to OGC CSW AP ISO 19115/19119

    few INSPIRE metadata elements are not CSW AP ISO core queryables

  • Mapping INSPIRE search metadata elements to Dublin Core

    is under development by DT Metadata

INSPIRE DT NS IR1 on Discovery Service


Questions

Questions?

  • Koningin Wilhelminalaan 41 3818 HN Amersfoort

  • Postbus 508, 3800 AM Amersfoort

  • + 31 (0) 334 604 100

  • [email protected]

  • www.geonovum.nl

INSPIRE DT NS IR1 on Discovery Service


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