Report on using Geographic Information standards ISO 19100

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Report on using Geographic Information standards (ISO 19100, OGC) in the planning of the

Report on using Geographic Information standards (ISO 19100, OGC) in the planning of the WIS with a focus on metadata Clemens Portele – interactive instruments Gmb. H GI standards and the WIS - Clemens Portele - 11/28/2020

Overview This presentation addresses four topics: § Topic A: Assessment of the ISO 19100

Overview This presentation addresses four topics: § Topic A: Assessment of the ISO 19100 series and OGC specifications; identification of standards that have the highest priority in order to deliver a workable metadata system in the WIS plus such that are relevant for supporting the work of the data provision centres § Topic B: WMO Core Profile of the ISO 19115 metadata standard; identification of issues and recommendations; coverages vs features § Topic C: Metadata tools § Topic D: High level “road map” GI standards and the WIS - Clemens Portele - 11/28/2020 2 © 2005 interactive instruments Gmb. H

WMO Information System (WIS) § In 2003 WMO approved the concept of a WIS.

WMO Information System (WIS) § In 2003 WMO approved the concept of a WIS. The WIS will provide a single coordinated global infrastructure for the collection and sharing of information in support of all WMO and related international programmes. GI standards and the WIS - Clemens Portele - 11/28/2020 3 © 2005 interactive instruments Gmb. H

Topic A: Assessment of ISO 19100 series plus OGC specifications § Identify a subset

Topic A: Assessment of ISO 19100 series plus OGC specifications § Identify a subset of the standards that have the highest priority in order to deliver a workable metadata system in the WIS § Identify a further subset of standards that is required to support the work of the data provision centres being designed by the WIS team § Note: The following assessment was done after a brief analysis and discussion of the WIS (metadata) requirements with WMO experts and is intended as a starting point for the future work within WMO GI standards and the WIS - Clemens Portele - 11/28/2020 4 © 2005 interactive instruments Gmb. H

WIS tasks (simplified) Consumer (Client) Node Retrieve data Subscribe to data Discover data (retrieve

WIS tasks (simplified) Consumer (Client) Node Retrieve data Subscribe to data Discover data (retrieve metadata) Abstracted from the requirements, scenarios, use cases as described in [SIMDAT] Node = GISC, NC, DCPC GI standards and the WIS - Clemens Portele - 11/28/2020 5 © 2005 interactive instruments Gmb. H

WIS tasks (simplified) Provider (Client) Node Send data Send metadata Abstracted from the requirements,

WIS tasks (simplified) Provider (Client) Node Send data Send metadata Abstracted from the requirements, scenarios, use cases as described in [SIMDAT] Node = GISC, NC, DCPC GI standards and the WIS - Clemens Portele - 11/28/2020 6 © 2005 interactive instruments Gmb. H

WIS tasks (simplified) Admin (Client) Node Manage node Monitor and control node Manage users,

WIS tasks (simplified) Admin (Client) Node Manage node Monitor and control node Manage users, data policy and billing Abstracted from the requirements, scenarios, use cases as described in [SIMDAT] Node = GISC, NC, DCPC GI standards and the WIS - Clemens Portele - 11/28/2020 7 © 2005 interactive instruments Gmb. H

WIS tasks (simplified) Node Send data Send metadata Request data (returns data) Request data

WIS tasks (simplified) Node Send data Send metadata Request data (returns data) Request data (returns reference + maybe credentials) Abstracted from the requirements, scenarios, use cases as described in [SIMDAT] Node = GISC, NC, DCPC GI standards and the WIS - Clemens Portele - 11/28/2020 8 © 2005 interactive instruments Gmb. H

WIS tasks (simplified) Node Authenticate user Authorize user Log actions Manage real-time data Watch

WIS tasks (simplified) Node Authenticate user Authorize user Log actions Manage real-time data Watch subscriptons Abstracted from the requirements, scenarios, use cases as described in [SIMDAT] Node = GISC, NC, DCPC GI standards and the WIS - Clemens Portele - 11/28/2020 9 © 2005 interactive instruments Gmb. H

Relevant standards for WMO (WIS, metadata) Metadata standards (including drafts): § ISO/TC 211 §

Relevant standards for WMO (WIS, metadata) Metadata standards (including drafts): § ISO/TC 211 § § ISO 19115 - Metadata ISO 19115 -2 - Metadata extension for imagery and gridded data ISO 19119 - Services ISO/TS 19139 – XML Schema implementation of ISO 19115 § OGC Catalog Service § eb. RIM Application Profile of the OGC Catalog Service (Web Registry Service) § ISO 19115/19119 Application Profile of the OGC Catalog Service Adopted/Published document Draft documents with high relevance (underlined) See Topic B for details GI standards and the WIS - Clemens Portele - 11/28/2020 10 © 2005 interactive instruments Gmb. H

Relevant standards for WMO (WIS, metadata) Data quality standards ISO 19113 - Quality principles

Relevant standards for WMO (WIS, metadata) Data quality standards ISO 19113 - Quality principles ISO 19114 - Quality evaluation procedures ISO 19138 – Data quality measures Reference Model ISO 19101 – Reference model ISO 19101 -2 – Reference model (Imagery) GI standards and the WIS - Clemens Portele - 11/28/2020 11 © 2005 interactive instruments Gmb. H

Relevant standards for WMO (WIS, metadata) Application schemas, feature catalogues, data product specifications ISO

Relevant standards for WMO (WIS, metadata) Application schemas, feature catalogues, data product specifications ISO 19109 - Rules for application schema ISO 19110 - Feature cataloguing methodology ISO 19131 - Data product specification Coverages / Imagery and gridded data ISO 19123 - Schema for coverage geometry and functions ISO 19129 - Imagery, gridded and coverage data framework ISO 19130 - Sensor and data model for imagery and gridded data GI standards and the WIS - Clemens Portele - 11/28/2020 12 © 2005 interactive instruments Gmb. H

Relevant standards for WMO (WIS, metadata) Spatial information ISO 19107 - Spatial schema ISO

Relevant standards for WMO (WIS, metadata) Spatial information ISO 19107 - Spatial schema ISO 19111 - Spatial referencing by coordinates ISO 19112 - Spatial referencing by geographic identifiers Temporal information ISO 19108 - Temporal schema ISO 19141 – Schema for moving features GI standards and the WIS - Clemens Portele - 11/28/2020 13 © 2005 interactive instruments Gmb. H

Relevant standards for WMO (WIS, metadata) Registers and registries ISO 19135 – Procedures for

Relevant standards for WMO (WIS, metadata) Registers and registries ISO 19135 – Procedures for registration of geographic information items OGC Catalog Service eb. RIM Application Profile of the OGC Catalog Service (Web Registry Service) Encoding OGC Geography Markup Language (GML) / ISO 19136 ISO/TS 19139 – XML Schema implementation of ISO 19115 OGC GML in JPEG 2000 for Geographic Imagery (GMLJP 2) GI standards and the WIS - Clemens Portele - 11/28/2020 14 © 2005 interactive instruments Gmb. H

Relevant standards for WMO (WIS, metadata) Data Access Web Services OGC Web Map Server

Relevant standards for WMO (WIS, metadata) Data Access Web Services OGC Web Map Server Interface (WMS) / ISO 19128 OGC Web Feature Service (WFS) / ISO 19142 OGC Filter Encoding / ISO 19143 OGC Web Coverage Service (WCS) Portrayal ISO 19117 – Portrayal OGC Styled-Layer Descriptor GI standards and the WIS - Clemens Portele - 11/28/2020 15 © 2005 interactive instruments Gmb. H

Relevant standards for WMO (WIS, metadata) Sensors and Sensor Web Enablement OGC Sensor Observation

Relevant standards for WMO (WIS, metadata) Sensors and Sensor Web Enablement OGC Sensor Observation Service OGC Sensor Planning Service OGC Sensor Alert Service ISO 19130 - Sensor and data model for imagery and gridded data Geographic Digital Rights Management (Geo. DRM) OGC Geo. DRM Reference Model GI standards and the WIS - Clemens Portele - 11/28/2020 16 © 2005 interactive instruments Gmb. H

Topic B: WMO Core Profile of the ISO 19115 metadata standard § § §

Topic B: WMO Core Profile of the ISO 19115 metadata standard § § § Consistency of the WMO Core Profile of the ISO 19115 metadata standard with future evolution of the ISO 19100 family of standards Key omissions that would prevent widespread uptake of data described using the WMO Core Profile among other communities Use of Coverages vs Features a combination of both to describe data of interest to WMO GI standards and the WIS - Clemens Portele - 11/28/2020 17 © 2005 interactive instruments Gmb. H

Metadata standards overview (including drafts) § ISO 19115 - Metadata § ISO 19115 -2

Metadata standards overview (including drafts) § ISO 19115 - Metadata § ISO 19115 -2 - Metadata extension for imagery and gridded data § ISO 19119 - Services § ISO/TS 19139 – XML Schema implementation of ISO 19115 § OGC Catalog Service § eb. RIM Application Profile of the OGC Catalog Service (Web Registry Service) § ISO 19115/19119 Application Profile of the OGC Catalog Service GI standards and the WIS - Clemens Portele - 11/28/2020 18 © 2005 interactive instruments Gmb. H

ISO 19115: 2003 - Metadata § Identifies the metadata required to describe digital geographic

ISO 19115: 2003 - Metadata § Identifies the metadata required to describe digital geographic data. Metadata is applicable to independent datasets, aggregations of datasets, individual geographic features, and the various classes of objects that compose a feature. Metadata shall be provided for geographic datasets and may, optionally, be provided for aggregations of datasets, features, and attributes of features. § International Standard § Used as basis for WMO Core Metadata Profile GI standards and the WIS - Clemens Portele - 11/28/2020 19 © 2005 interactive instruments Gmb. H

ISO 19115: 2003 Packages Constraint Content Citation and responsible party Portrayal catalogue Distribution Maintenance

ISO 19115: 2003 Packages Constraint Content Citation and responsible party Portrayal catalogue Distribution Maintenance Metadata entity set Metadata extension Application schema Identification Data quality Reference system Spatial representation GI standards and the WIS - Clemens Portele - 11/28/2020 Units of Measure 20 Extent © 2005 interactive instruments Gmb. H

ISO 19115 Part 2: Extensions for imagery and gridded data § Extends ISO 19115:

ISO 19115 Part 2: Extensions for imagery and gridded data § Extends ISO 19115: 2003 Geographic Information – Metadata by defining the schema and additional metadata required for imagery and gridded data § Still a Working Draft ! § Not stable § Recommendation: § Monitor development § Evaluate drafts § Provide comments GI standards and the WIS - Clemens Portele - 11/28/2020 21 © 2005 interactive instruments Gmb. H

ISO WD 19115 Part 2 Packages <<Leaf>> Content information Imagery <<Leaf>> Constraint information <<Leaf>>

ISO WD 19115 Part 2 Packages <<Leaf>> Content information Imagery <<Leaf>> Constraint information <<Leaf>> Content information <<Leaf>> Citation and responsible party information <<Leaf>> Portrayal catalogue information <<Leaf>> Distribution information <<Leaf>> Citation and responsible party information - Imagery <<Leaf>> Maintenance information <<Leaf>> Metadata extension information <<Leaf>> Metadata entity set information <<Leaf>> Application schema information <<Leaf>> Reference system information (from ISO 19115 Metadata) <<Leaf>> Identification information <<Leaf>> Spatial representation information <<Leaf>> Units of Measure <<Leaf>> Identification information - Imagery <<Leaf>> Spatial representation information - Imagery <<Leaf>> Requirements information - Imagery <<Leaf>> Acquisition information Imagery <<Leaf>> Data quality information - Imagery GI standards and the WIS - Clemens Portele - 11/28/2020 <<Leaf>> Extent information (from ISO 19115 Metadata) <<Leaf>> Extent information Imagery 22 © 2005 interactive instruments Gmb. H

ISO/DTS 19139 – XML Schema implementation § „Given the abstract nature of the ISO

ISO/DTS 19139 – XML Schema implementation § „Given the abstract nature of the ISO 19115 specification, the actual execution of geographic information metadata could vary based on the interpretation of the metadata producers *). In an attempt to facilitate the standardization of implementations, this comprehensive dataset metadata implementation specification provides single UML interpretation and XML schema for carrying out the ISO 19115 metadata standard. This specification is meant to enhance interoperability by providing a common specification for describing, validating and exchanging metadata about geographic datasets, dataset series, individual geographic features, feature attributes, feature types, feature properties, etc. “ *) and it does, see WMO Core Metadata Profile XML vs other XML encodings of ISO 19115 GI standards and the WIS - Clemens Portele - 11/28/2020 23 © 2005 interactive instruments Gmb. H

Approach of ISO/DTS 19139 UML 19115 ISO Abstract Specification ISO Implementation Specification Community Profile

Approach of ISO/DTS 19139 UML 19115 ISO Abstract Specification ISO Implementation Specification Community Profile § Adaptation UML 19139 XML Schema 19139 scripts XML Schema UML 19139 ext § Composed of three essential parts in the Requirements Clause: § ISO 19139 expands Annex E of ISO 19115 to show all the metadata elements (Not XML Specific) § ISO 19139 also defines new constraint types to further refine the metadata elements for implementation (Not XML Specific) § ISO 19139 defines XML Schema for geographic information dataset metadata (XML Specific) Community profiles may extend schema of ISO 19139 Status: Submitted to ISO as DTS (Draft Technical Specification), but not yet published expected to be stable, but changes may still occur GI standards and the WIS - Clemens Portele - 11/28/2020 24 © 2005 interactive instruments Gmb. H

ISO 19119: 2005 – Services Scope: § Identifies and defines architecture patterns for service

ISO 19119: 2005 – Services Scope: § Identifies and defines architecture patterns for service interfaces used for geographic information and definition of the relationships to the Open Systems Environment model § Presents a geographic services taxonomy and a list of example geographic services placed in the services taxonomy § Prescribes how to create a platform-neutral service specification, and how to derive platform-specific service specifications that are conformant with this § Provides guidelines for the selection and specification of geographic services from both platform-neutral and platform-specific perspectives. GI standards and the WIS - Clemens Portele - 11/28/2020 25 © 2005 interactive instruments Gmb. H

ISO 19119: 2005 Packages <<Leaf>> Service Model <<Leaf>> Records and Class Metadata <<Leaf>> Service

ISO 19119: 2005 Packages <<Leaf>> Service Model <<Leaf>> Records and Class Metadata <<Leaf>> Service Metadata <<Leaf>> Identification information GI standards and the WIS - Clemens Portele - 11/28/2020 26 <<Leaf>> Data quality information © 2005 interactive instruments Gmb. H

ISO 19119: 2005 - Geographic services taxonomy Geographic human interaction services Geographic model/information management

ISO 19119: 2005 - Geographic services taxonomy Geographic human interaction services Geographic model/information management services Geographic workflow/task management services Geographic processing services § Geographic processing services – spatial § Geographic processing services – thematic § Geographic processing services – temporal § Geographic processing services – metadata § Geographic communication services § § GI standards and the WIS - Clemens Portele - 11/28/2020 27 © 2005 interactive instruments Gmb. H

Proposed amendment to ISO 19119: 2005 § An amendment to Service Metadata defined in

Proposed amendment to ISO 19119: 2005 § An amendment to Service Metadata defined in ISO 19119 has been proposed based on implementation experience and has been accepted by ISO/TC 211 as a new work item § Changes are proposed to the abstract schema, primarily concerning the relation between service metadata and dataset metadata. The extensions being proposed to ISO 19119 stem from requirements arising as a result of the practical experience being made with services in a Spatial Data Infrastructure in connection with and a nationwide catalogue service and the countries/states/regions bordering it. Hence the extensions are proposed from the background of usage within spatial data infrastructures, following the publish-find-bind principle. GI standards and the WIS - Clemens Portele - 11/28/2020 28 © 2005 interactive instruments Gmb. H

OGC Web Services Typical pattern of usage Search Engine Find Publish Chain Bind Information

OGC Web Services Typical pattern of usage Search Engine Find Publish Chain Bind Information Resources GI standards and the WIS - Clemens Portele - 11/28/2020 29 © 2005 interactive instruments Gmb. H

OGC Catalog Service 2. 0. 0 and Profiles § The OGC Catalog Service provides

OGC Catalog Service 2. 0. 0 and Profiles § The OGC Catalog Service provides the ability to search and retrieval of descriptive information (metadata) on an information resource (dataset, service, schema, etc. ) using the same set of fields, the same operations and get similarly structured results from different servers § The OGC Catalog Service itself provides an abstract catalog access model and supports any metadata model with abstract query points § Requires core queryable and core returnable properties based on Dublin Core metadata elements § Three protocol bindings: CORBA, Z 39. 50/ISO 23950, and HTTP § Expects companion Application Profile document to complete implementation § Two Application Profiles available (next slides), both are OGC Recommendation Papers (i. e. , not yet adopted specifications) § Adopted OGC Implementation Specification, scheduled to be submitted to ISO/TC 211 for standardization GI standards and the WIS - Clemens Portele - 11/28/2020 30 © 2005 interactive instruments Gmb. H

OGC Catalog Service Core queryable properties § Enable simple cross-profile discovery, must be supported

OGC Catalog Service Core queryable properties § Enable simple cross-profile discovery, must be supported by all application profiles § Current list: § Subject § Title § Abstract § Any. Text § Format § Identifier § Modified § Type § Envelope (lat-lon bounding box) § CRS (coordinate reference system) § Association (source and target resource plus relation name) GI standards and the WIS - Clemens Portele - 11/28/2020 31 © 2005 interactive instruments Gmb. H

OGC Catalog Service Core returnable properties § Permit the § minimal implementation of a

OGC Catalog Service Core returnable properties § Permit the § minimal implementation of a catalogue service independent of a companion application profile § use of metadata returned from different systems and protocol bindings § Expressed using the nomenclature and syntax of Dublin Core Metadata, ISO 15836 GI standards and the WIS - Clemens Portele - 11/28/2020 § Current list: § dc: title § dc: creator § dc: subject § dct: abstract § dc: publisher § dc: contributor § dc: date § dc: type § dc: format § dc: identifier § dc: source § dc: language § dc: relation § dct: spatial § dc: rights 32 © 2005 interactive instruments Gmb. H

ISO 19115/19119 Application Profile of the OGC Catalogue Service § Manages metadata resource types

ISO 19115/19119 Application Profile of the OGC Catalogue Service § Manages metadata resource types for data and service descriptions based on ISO 19115 and ISO 19119 (including the proposed amendment) § All characteristic metadata are searchable § Assertions can be traversed that effectively define data and service associations § Originated in SDIs in Germany and is in deployment in various parts of Europe § Uses ISO/PDTS 19139 for the XML encoding of ISO 19115 § OGC Recommendation Specification, expected to become an adopted specifciation GI standards and the WIS - Clemens Portele - 11/28/2020 33 © 2005 interactive instruments Gmb. H

eb. RIM Application Profile of the OGC Catalogue Service § eb. RIM = eb.

eb. RIM Application Profile of the OGC Catalogue Service § eb. RIM = eb. XML Registry Information Model (developed by OASIS, http: //www. oasis-open. org/) offers a method for defining and managing interoperable registries and repositories. § General purpose registry that can be applied to describe data, services, schemas, documents, dictionaries, symbol libraries, etc. § Adopts eb. XML RIM metadata model for query on small set of common properties § Can be used to implement the ISO 19115/19119 Application Profile § OGC Recommendation Specification, expected to become an adopted specifciation GI standards and the WIS - Clemens Portele - 11/28/2020 34 © 2005 interactive instruments Gmb. H

Topic B. 1: Consistency / potential issues of the WMO Core Profile § The

Topic B. 1: Consistency / potential issues of the WMO Core Profile § The core metadata elements of ISO 19115 are included in the profile § XML encoding: It is expected that ISO/TS 19139 will become the de-facto standard for XML encoding of ISO 19115 data § Recommendations: § Use ISO/TS 19139 (not a WMO specific encoding) at least we communicating with external systems § If more economic, it may make sense to continue to use the current proprietary encoding internally in a system § Create a two-way mapping using XSLT between the two encodings to verify that a lossless mapping is possible GI standards and the WIS - Clemens Portele - 11/28/2020 35 © 2005 interactive instruments Gmb. H

Topic B. 1: Consistency / potential issues of the WMO Core Profile § Catalog

Topic B. 1: Consistency / potential issues of the WMO Core Profile § Catalog Service support: § It is expected that Catalog Services will be a standard mechanism to access metadata § Recommendation: § Map WMO Core Profile information to the core properties of the Catalog Service § Test use of the Catalog Service with WMO Core Profile § Extensions to ISO 19115 do not follow the extension mechanism specified in ISO 19115 § Recommendation: Revise the WMS Core Profile to use the extension mechanism of ISO 19115 (and ISO/TS 19139 for XML Schema); see in particular Annex C of ISO 19115 GI standards and the WIS - Clemens Portele - 11/28/2020 36 © 2005 interactive instruments Gmb. H

Topic B. 1: Consistency / potential issues of the WMO Core Profile § (394)

Topic B. 1: Consistency / potential issues of the WMO Core Profile § (394) allows only a single date and not a period § Recommendation: Delete “or period” (as the date. Types all reference an “instant”) or use the metadata extension mechanism § (143) must be a code list entry but the WMO description suggests that other data types may be used, too § Recommendation: Restrict to the use of the code list or use the metadata extension mechanism (n) row in the ISO 19115 data dictionary GI standards and the WIS - Clemens Portele - 11/28/2020 37 © 2005 interactive instruments Gmb. H

Topic B. 1: Consistency / potential issues of the WMO Core Profile § (39)

Topic B. 1: Consistency / potential issues of the WMO Core Profile § (39) is mandatory in the ISO 19115 Core metadata, but it is optional in he WMO Core Profile § Recommendation: Use a default value if data has no text in a language § (new) “irregular. Point. Set” is the domain of a multi point coverage for WMO internal use. For external use, the mandatory bounding box is used (currently codes are used to encode the irregular point sets). § Recommendation: Use the metadata extension mechanism GI standards and the WIS - Clemens Portele - 11/28/2020 38 © 2005 interactive instruments Gmb. H

Topic B. 1: Consistency / potential issues of the WMO Core Profile § (new)

Topic B. 1: Consistency / potential issues of the WMO Core Profile § (new) “keyword. Reference. Source” is meant to extend the topic category enumeration which is too restricted to be useful for WMO; the element is intended to be a detailed reference to a hierarchical, multi-language dictionary § Recommendation: Create, Publish and maintain the dictionary in a registry; XML encodings can be based on GML = ISO 19136 gml: Dictionary (can be used to define hierarchical dictionaries) or ISO 19139 CT_Catalogue (supports dictionaries with multi-lingual entries) § Reference this dictionary through thesaurus. Name citation GI standards and the WIS - Clemens Portele - 11/28/2020 39 © 2005 interactive instruments Gmb. H

Topic B. 1: Consistency / potential issues of the WMO Core Profile § (357)

Topic B. 1: Consistency / potential issues of the WMO Core Profile § (357) the axis orientation (sign. Convention) is part of the datum definition and not of the unit of measure information; however, this was considered important by WMO as it is a constant source of errors and ISO 19111 was considered insufficient § Recommendation: If the information shall be represented seperately, then an additional element should be defined using the extension mechanism to redundantly express this information – instead of encoding this in the unit information GI standards and the WIS - Clemens Portele - 11/28/2020 40 © 2005 interactive instruments Gmb. H

Topic B. 1: Consistency / potential issues of the WMO Core Profile § (new)

Topic B. 1: Consistency / potential issues of the WMO Core Profile § (new) Horizontal. Coordinate. Type is redundant as the coordinate reference system of a geometry object is always provided as part of it § Recommendation: Delete this metadata element; if the intention is to provide information about the coordinate reference system of the data (rather than the extent information), then this should be provided via the “reference. System. Info” element § (341, 342) The definition of “polygon” is not consistent with ISO 19107 (which is used by ISO 19115); also, a polygon may contain holes § Recommendation: Reference the types specified in ISO 19107 Spatial Schema GI standards and the WIS - Clemens Portele - 11/28/2020 41 © 2005 interactive instruments Gmb. H

Topic B. 1: Consistency / potential issues of the WMO Core Profile § (351)

Topic B. 1: Consistency / potential issues of the WMO Core Profile § (351) If the temporal primitive is not used, this is not an instance of EX_Temporal. Extent § Recommendation: Use the metadata extension mechanism to specify an extension of EX_Temporal. Extent where “extent” is a TM_Period (“begin. Date. Time”, ”end. Date. Time”) and “reference. Date. Time” is added as an additional element § (new) Calendar. Type § Recommendation: Verfify, if temporal reference systems as defined in ISO 19108 (and GML/ISO 19136) are insufficient for WMO; if yes, create a metadata extension according to the rules; if no, delete this element GI standards and the WIS - Clemens Portele - 11/28/2020 42 © 2005 interactive instruments Gmb. H

Topic B. 1: Consistency / potential issues of the WMO Core Profile § (68)

Topic B. 1: Consistency / potential issues of the WMO Core Profile § (68) The note regarding the “use. Limitiation” text is unclear. The data type is a free text, it is unclear what ISO parameters are § Recommendation: clarify § (285) Multiple formats § Recommendation: Encode as multiple MD_Format instances – not in a single “name” element GI standards and the WIS - Clemens Portele - 11/28/2020 43 © 2005 interactive instruments Gmb. H

Topic B. 1: Consistency / potential issues of the WMO Core Profile § (new)

Topic B. 1: Consistency / potential issues of the WMO Core Profile § (new) WMO_Source (WMO centre identifier, required because currently a private, non-TCP/IP network is used, a URL is not sufficient) § Recommendation: Use the metadata extension mechanism to specify the additional element § (232) See Topic B. 3 GI standards and the WIS - Clemens Portele - 11/28/2020 44 © 2005 interactive instruments Gmb. H

Topic B. 1: Consistency / potential issues of the WMO Core Profile § Other

Topic B. 1: Consistency / potential issues of the WMO Core Profile § Other questions and recommendations: § (4) What are “standard character sets”? § (10, 11) should be fixed for a particular version of the WMO Core Profile; example: “WMO Core Profile”, “ 0. 2” § (187, 206): Do additional rules for the use and naming of coordinate reference systems exist? § (365): Do rules for unique identifiers exist? § (348, 349): Does a list of well known Gazetteers exist? Are these online-accessible? GI standards and the WIS - Clemens Portele - 11/28/2020 45 © 2005 interactive instruments Gmb. H

Topic B. 2: key omissions preventing uptake of WMO data in other communities §

Topic B. 2: key omissions preventing uptake of WMO data in other communities § Limited experience is available about which factors are key metadata elements and best practices to stimulate uptake of previously unknown data sets § Some recommendations: § Try to identify the questions asked by the (potential) users of other communities when looking for data that could be provided by WMO and assess whether the WMO core metadata answers the questions § Test the use of WMO core metadata using existing metadata tools, in particular how easy it is to execute the identified scenarios § Support metadata for both the initial discovery and the evaluation phase of metadata searches § Provide information in searchable registries, including codelists, thesauri, units of measurements, etc. GI standards and the WIS - Clemens Portele - 11/28/2020 46 © 2005 interactive instruments Gmb. H

Topic B. 3: Feature types, features and coverages in WMO metadata (from ISO 19109)

Topic B. 3: Feature types, features and coverages in WMO metadata (from ISO 19109) Feature Types are defined on the schema level Real-world objects (features) are instantiated as data; coverages are features GI standards and the WIS - Clemens Portele - 11/28/2020 47 © 2005 interactive instruments Gmb. H

Topic B. 3: Feature types, features and coverages in WMO metadata Feature Catalogue and

Topic B. 3: Feature types, features and coverages in WMO metadata Feature Catalogue and Coverage descriptions in 19115: § MD_Feature. Catalogue. Description is used to describe catalogues of feature types (not catalogues of features!) § MD_Coverage. Description and MD_Image. Description are used to describe individual coverages / images § Some examples of potential WIS feature catalogues seem to represent individual coverages; this is not the intention of a feature catalogue § MD_Coverage. Description is not sufficient for the requirements of WMO and would need to be extended to address the requirements § It should be checked in how far MI_Coverage. Description Feature of ISO/WD 19115 -2 addresses at least some of the issues GI standards and the WIS - Clemens Portele - 11/28/2020 48 © 2005 interactive instruments Gmb. H

Topic B. 3: Feature types, features and coverages in WMO metadata § Coverages are

Topic B. 3: Feature types, features and coverages in WMO metadata § Coverages are Features. Coverage types are Feature types. § Probably both descriptions (feature catalogue and coverage descriptions) are required in WIS: § It makes sense to describe the types of features (including coverages) that are provided by the WIS, otherwise potential users will have difficulties discovering the „data products“ offered through the WIS § In addition, it may also make sense to include specific coverage descriptions in the metadata, if it is expected that users may search or look for specific characteristics of the individual coverages Feature GI standards and the WIS - Clemens Portele - 11/28/2020 49 © 2005 interactive instruments Gmb. H

Topic C: Metadata software tools (only ISO 19115 -based and/or Catalog Service products) §

Topic C: Metadata software tools (only ISO 19115 -based and/or Catalog Service products) § Catalog Service products (server and/or client with support for ISO 19115 metadata) § Arc. IMS Metadata Server (http: //www. esri. com/software/arcgis/arcims/index. html) § ESRI GIS Portal Tool Kit (http: //www. esri. com/software/arcgis/gisportal-toolkit/) § Indicio (http: //www. galdos. ca/services-indicio. html) § deegree Web Catalog Service (http: //deegree. sourceforge. net/index. html, FREE) § sdi. suite terra. Catalog (http: //www. sdi-suite. de) § Cubewerx WRS (http: //www. cubewerx. com/main/products/WRS. html) § Red. Spider Catalog (http: //www. ionicsoft. com/products/index. jsp) § These include implementations of both Application Profiles § Dedicated metadata capture tools § M 3 Cat (http: //www. intelec. ca/technologie_a. html#m 3 cat) § ANZLIC Metadata Entry Tool (MET) (http: //www. anzlic. org. au/metadata_MET. html; FREE; not yet available) GI standards and the WIS - Clemens Portele - 11/28/2020 50 © 2005 interactive instruments Gmb. H

Topic D: Identify high level “road map” § A high level “road map” for

Topic D: Identify high level “road map” § A high level “road map” for implementing a standardsbased metadata system to achieve the goals of WIS depends on the time frame, available resources and other constraints and conditions § In general, an iterative, spiral development approach with manageable steps, gradually increasing scope and prompt validation is highly recommended GI standards and the WIS - Clemens Portele - 11/28/2020 51 © 2005 interactive instruments Gmb. H

Topic D: Identify high level “road map” Possible steps (based on discussions that led

Topic D: Identify high level “road map” Possible steps (based on discussions that led to this report): § Review results and update specifications / additional or more detailed specifications § Execute test cases § Define scenarios and test cases for the metadata system § Scenarios for (meteorology/climatology) experts § Scenarios for other users with less know-how §. . . § Set up Catalog Service serving the metadata § Develop mapping to 19139 GI standards and the WIS - Clemens Portele - 11/28/2020 § Review and update WMO Core Profile Clarify conformance issues Identify issues in the standards that do not address the WMO metadata requirements and report them and/or define WMO specific extensions (including ISO 19111, ISO 19108, ISO 19123) 52 © 2005 interactive instruments Gmb. H

Contact Information Clemens Portele interactive instruments Gmb. H Trierer Straße 70 -72 53115 Bonn

Contact Information Clemens Portele interactive instruments Gmb. H Trierer Straße 70 -72 53115 Bonn Germany +49 228 91410 73 portele@interactive-instruments. de http: //www. interactive-instruments. de/ GI standards and the WIS - Clemens Portele - 11/28/2020 53 © 2005 interactive instruments Gmb. H

References [SIMDAT] SIMDAT Project Deliverable D 18. 1. 1 „Consolidated Meteorology Requirements“, Version 1.

References [SIMDAT] SIMDAT Project Deliverable D 18. 1. 1 „Consolidated Meteorology Requirements“, Version 1. 1, 25. 02. 2005 [WMOCore] WMO Core Metadata Profile of ISO 19115, Version 0. 2, August 2004 [WMOCore. XML] WMO Core Metadata Profile of ISO 19115, Version 0. 2, August 2004 [HMMG] ISO/TC 211 Harmonized Model (http: //www. isoct 211. org/hmmg) [19101] ISO 19101: 2002 (http: //www. iso. ch/) [19101 -2] ISO WD 19101 -2. 3 (ISO/TC 211/N 1737), 16. 08. 2004 [19108] ISO 19108: 2002 (http: //www. iso. ch/) [19109] ISO 19109: 2005 (http: //www. iso. ch/) [19110] ISO 19110: 2005 (http: //www. iso. ch/) [19111] ISO/DIS 19111 rev. (sent to ISO Central Secretariat) GI standards and the WIS - Clemens Portele - 11/28/2020 54 © 2005 interactive instruments Gmb. H

References [19115] [19115 -2] [19117] [19119] [19123] [19129] [19130] [19135] [19139] [CAT] [WRS] [CATAP]

References [19115] [19115 -2] [19117] [19119] [19123] [19129] [19130] [19135] [19139] [CAT] [WRS] [CATAP] [GMLJP 2] ISO 19115: 2003 (http: //www. iso. ch/) ISO WD 19115 -2. 3 (ISO/TC 211/N 1697), 20. 08. 2004 ISO 19117: 2005 (http: //www. iso. ch/) ISO 19119: 2005 (http: //www. iso. ch/) ISO 19123: 2005 (http: //www. iso. ch/) ISO WD 19129 (ISO/TC 211/N 1869), 14. 7. 2005 ISO CD 19130. 2 (ISO/TC 211/N 1772), 21. 01. 2005 ISO 19135 (sent to ISO Central Secretariat) ISO/DTS 19139 (sent to ISO Central Secretariat) OGC Catalogue Service, OGC 04 -021 r 2 eb. RIM Application Profile of [CAT], OGC 04 -017 r 1 ISO 19115/19119 Application Profile of [CAT], OGC 04038 r 2 GML in JPEG 2000 for Geographic Imagery, OGC 05047 r 2 GI standards and the WIS - Clemens Portele - 11/28/2020 55 © 2005 interactive instruments Gmb. H

References [WMS] [WFS] [WCS] [FES] [GML] [OWS 3] Web Map Service 1. 3, OGC

References [WMS] [WFS] [WCS] [FES] [GML] [OWS 3] Web Map Service 1. 3, OGC 04 -024 Web Feature Service 1. 1, OGC 04 -094 Web Coverage Service 1. 0, OGC 03 -065 r 6 Filter Encoding 1. 1, OGC 04 -095 Geography Markup Language 3. 1, OGC 03 -105 r 1 OGC Web Services Phase 3 initiative [GALEON] OGC GALEON WCS Interoperability Experiment [SAS] OGC Sensor Alert Service Interoperability Experiment (http: //www. opengeospatial. org/initiatives/? iid=162) (http: //www. opengeospatial. org/initiatives/? iid=173) (http: //www. opengeospatial. org/initiatives/? iid=149) [SWE] Sensor Web Enablement White Paper (http: //portal. opengeospatial. org/files/? artifact_id=6208&versio n=2&format=pdf) GI standards and the WIS - Clemens Portele - 11/28/2020 56 © 2005 interactive instruments Gmb. H