Geographic information - Spatial Data Infrastructure - Part 4: Service centric view

This Technical Report describes a service-centric view of a Spatial Data Infrastructure (SDI).
The Service Centric view addresses the concepts of service specifications, the methodology for developing service specifications through the application of the relevant International Standards, and the content of such service specifications described from the perspective of the five Reference Model of Open Distributed Processing (RM-ODP) viewpoints:
-   the enterprise viewpoint addresses service aspects from an organisational, business and user perspective;
-   the computational viewpoint addresses service aspects from a system architect perspective;
-   the information viewpoint addresses service aspects from a geospatial information expert perspective;
-   the engineering viewpoint addresses service aspects from a system designer perspective;
-   the technology viewpoint addresses service aspects from a system builder and implementer perspective.
The intended readership of this Technical Report is those people who are responsible for creating frameworks for SDI, experts contributing to INSPIRE experts in information and communication technologies and e-government that need to familiarise themselves with geographic information and SDI concepts, and standards developers and writers.

Geoinformation - Geodateninfrastrukturen - Teil 4: Dienstzentrierte Sicht

Information Géographique - Infrastructure de données spatiales - Partie 4: Vue centrée services

Geografske informacije - Infrastrukture za prostorske podatke - 4. del: Storitveno usmerjen vidik

To tehnično poročilo opisuje storitveno usmerjen vidik infrastrukture za prostorske podatke (SDI). Storitveno usmerjen vidik obravnava koncepte specifikacij storitev, metodologijo za razvoj specifikacij storitev z uporabo ustreznih mednarodnih standardov in vsebino teh specifikacij storitev, ki je opisana na podlagi petih vidikov referenčnega modela RM-ODP: – vidik podjetja obravnava vidike storitev s stališča organizacije, poslovanja in uporabnika; – računalniški vidik obravnava vidike storitev s stališča sistemskega arhitekta; – informacijski vidik obravnava vidike storitev s stališča strokovnjaka za geoprostorske informacije; – inženirski vidik obravnava vidike storitev s stališča oblikovalca sistema; – tehnološki vidik obravnava vidike storitev s stališča ustvarjalca in izvajalca sistema. To tehnično poročilo je namenjeno ciljnim skupinam ljudi, ki so odgovorni za oblikovanje okvirov infrastrukture za prostorske podatke, strokovnjakom, ki prispevajo k direktivi INSPIRE, strokovnjakom na področju informacijskih in komunikacijskih tehnologij, e-upravi, ki se mora seznaniti s konceptoma geografskih informacij in infrastrukture za prostorske podatke, ter pripravljavcem in avtorjem standardov.

General Information

Status
Published
Publication Date
23-Jul-2013
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
24-Jul-2013
Due Date
23-Sep-2013
Completion Date
24-Jul-2013

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SLOVENSKI STANDARD
01-oktober-2013
Geografske informacije - Infrastrukture za prostorske podatke - 4. del: Storitveno
usmerjen vidik
Geographic information - Spatial Data Infrastructure - Service centric view
Geoinformation - Geodateninfrastrukturen - Teil 4: Service-zentrierte Sicht
Information Géographique - Infrastructure de données spatiales - Vue centrée services
Ta slovenski standard je istoveten z: CEN/TR 15449-4:2013
ICS:
07.040 Astronomija. Geodezija. Astronomy. Geodesy.
Geografija Geography
35.240.70 Uporabniške rešitve IT v IT applications in science
znanosti
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

TECHNICAL REPORT
CEN/TR 15449-4
RAPPORT TECHNIQUE
TECHNISCHER BERICHT
July 2013
ICS 35.240.70
English Version
Geographic information - Spatial Data Infrastructure - Service
centric view
Information Géographique - Infrastructure de données Geoinformation - Geodateninfrastrukturen - Teil 4: Service-
spatiales - Vue centrée services zentrierte Sicht

This Technical Report was approved by CEN on 20 November 2012. It has been drawn up by the Technical Committee CEN/TC 287.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United
Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2013 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TR 15449-4:2013: E
worldwide for CEN national Members.

Contents Page
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 Abbreviated terms . 9
5 Service-centric view on SDI . 10
5.1 Introduction . 10
5.2 Use of RM-ODP viewpoints . 11
5.2.1 The enterprise viewpoint . 11
5.2.2 The computational viewpoint . 12
5.2.3 The information viewpoint . 12
5.2.4 The engineering viewpoint . 12
5.2.5 The technology viewpoint . 12
5.3 Relationships between viewpoints . 12
5.4 Service models, processes and service oriented architectures . 13
5.5 The model-driven approach . 13
5.6 System-of-Systems Engineering . 13
6 Enterprise viewpoint . 15
6.1 Overview . 15
6.2 Relevant standards . 16
6.3 Example and tools. 16
7 Computational viewpoint . 17
7.1 Overview . 17
7.2 Relevant standards . 17
7.3 Examples and tools . 18
7.3.1 Service Modeling with SoaML . 18
7.3.2 Lifecycle Service Components . 18
7.3.3 Value Chain of SDI Knowledge Generation . 19
7.3.4 Overview of Stakeholders . 19
7.3.5 Requirements for a next generation of SDI Services . 20
7.4 Architecture-based Enabler Classification . 21
8 Information viewpoint . 22
8.1 Introduction . 22
8.2 Relevant standards . 24
8.3 Examples and tools . 24
9 Engineering viewpoint . 25
9.1 Overview . 25
9.2 Multi-style SOA . 25
9.3 Relevant standards . 27
9.3.1 Service-Oriented-Architectures . 27
9.3.2 Representational State Transfer (REST) . 28
9.3.3 Web 2.0 . 28
10 Technology viewpoint . 29
10.1 Overview . 29
10.2 Architectural Classification according to Cloud Computing Service Categories . 30
11 Services and Security . 30
11.1 Services - security and rights management . 30
11.2 Managing access and re-use rights . 31
11.3 Drivers of effective rights management . 31
11.4 Challenges of implementing rights management . 32
11.5 Securing OGC Web Services . 32
11.6 Security Requirements . 33
Annex A (informative) RM-ODP viewpoints and the Parts of CEN/TR 15449 . 35
Annex B (informative) Example – Use case based methodology . 36
Annex C (informative) Example – Use case template . 39
Annex D (informative) Service Modeling - SoaML . 42

Foreword
This document (CEN/TR 15449-4:2013) has been prepared by Technical Committee CEN/TC 287 “Geographic
information”, the secretariat of which is held by BSI.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.
CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
CEN/TR 15449, Geographic information - Spatial data infrastructures, consists of the following parts:
 Part 1: Reference model
 Part 2: Best practices
 Part 3: Data centric view
 Part 4: Service centric view.
Introduction
Spatial Data Infrastructure (SDI) is a general term for the computerised environment for handling data that relates to a
position on or near the surface of the earth. It may be defined in a range of ways, in different circumstances, from the
local up to the global level.
This Technical Report focuses on the technical aspects of SDIs, thereby limiting the term SDI to mean an
implementation neutral technological infrastructure for geospatial data and services, based upon standards and
specifications. It does not consider an SDI as a carefully designed and dedicated information system; rather, it is
viewed as a collaborative framework of disparate information systems that contain resources that stakeholders desire
to share. The common denominator of SDI resources, which can be data or services, is their spatial nature. It is
understood that the framework is in constant evolution, and that therefore the requirements for standards and
specifications supporting SDI implementations evolve continuously.
SDIs are becoming more linked and integrated with systems developed in the context of e-Government. Important
1)
drivers for this evolution are the Digital Agenda for Europe, and related policies . By sharing emerging requirements
at an early stage with the standardization bodies, users of SDIs can help influence the revision of existing or the
conception of new standards. A number of recommendations are made within the Eye on Earth White Paper [1] which
provides additional context and background to the service centric view.
The users of an SDI are considered to be those individuals or organisations that, in the context of their business
processes, need to share and access geo-resources in a meaningful and sustainable way. Based on platform- and
vendor-neutral standards and specifications, an SDI aims at assisting organisations and individuals in publishing,
finding, delivering, and eventually, using geographic information and services over the internet across borders of
information communities in a more cost-effective manner.
Existing material about SDIs abounds. The following reports have been taken into account in the preparation of this
Technical Report:
• legal texts and guidelines produced in the context of INSPIRE;
• documents produced by ISO/TC 211 (and co-published by CEN);
• documents produced by the Open Geospatial Consortium (OGC), including the OpenGIS Reference Model
(ORM) [2];
• the European Interoperability Framework and related documents;
• deliverables from European Union-funded projects (e.g. ORCHESTRA, GIGAS, SANY, ENVISION, ENVIROFI,
2)
EO2HEAVEN) .
Considering the complexity of the subject and the need to capture and formalise different conceptual and modelling
views, CEN/TR 15449 is comprised of multiple parts:
• Part 1: Reference model: This part provides a general context model for the other Parts, applying general IT
architecture standards;
• Part 2: Best Practice: This part provides best practices guidance for implementing SDI, through the evaluation of
the projects in the frame of the European Union funding programmes;

1) As described in Part 1 of this Technical Report.
2) A list of EU Funded projects is given in Part 2 of this Technical Report.
• Part 3: Data centric view: This part addresses concerns related to the data, which includes application schemas
and metadata;
• Part 4: Service centric view: This current document.
Further parts may be created in the future.
1 Scope
This Technical Report describes a service-centric view of a Spatial Data Infrastructure (SDI).
The Service Centric
...

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