EN ISO 19143:2012

Geographic information - Filter encoding (ISO 19143:2010)

ISO 19143:2010 describes an XML and KVP encoding of a system neutral syntax for expressing projections, selection and sorting clauses collectively called a query expression.
These components are modular and intended to be used together or individually by other International Standards which reference ISO 19143:2010.
ISO 19143:2010 defines an abstract component, named AbstractQueryExpression, from which other specifications can subclass concrete query elements to implement query operations.
It also defines an additional abstract query component, named AbstractAdhocQueryExpresison, which is derived from AbstractQueryExpression and from which other specifications can subclass concrete query elements which follow the following query pattern:
An abstract query element from which service specifications can subclass a concrete query element that implements a query operation that allows a client to specify a list of resource types, an optional projection clause, an optional selection clause, and an optional sorting clause to query a subset of resources that satisfy the selection clause.
This pattern is referred to as an ad hoc query pattern since the server in not aware of the query until it is submitted for processing. This is in contrast to a stored query expression, which is stored and can be invoked by name or identifier.
ISO 19143:2010 also describes an XML and KVP encoding of a system-neutral representation of a select clause. The XML representation is easily validated, parsed and transformed into a server-specific language required to retrieve or modify object instances stored in some persistent object store.
ISO 19143:2010 defines the XML encoding for the following predicates.
- A standard set of logical predicates: and, or and not.
- A standard set of comparison predicates: equal to, not equal to, less than, less than or equal to, greater than, greater than or equal to, like, is null and between.
- A standard set of spatial predicates: equal, disjoint, touches, within, overlaps, crosses, intersects, contains, within a specified distance, beyond a specified distance and BBOX.
- A standard set of temporal predicates: after, before, begins, begun by, contains, during, ends, equals, meets, met by, overlaps and overlapped by.
- A predicate to test whether the identifier of an object matches the specified value.
ISO 19143:2010 defines the XML encoding of metadata that allows a service to declare which conformance classes, predicates, operators, operands and functions it supports. This metadata is referred to as Filter Capabilities.

Geoinformation - Filter Encoding (ISO 19143:2010)

Information géographique - Codage de filtres (ISO 19143:2010)

L'ISO 19143:2010 décrit un encodage en XML et KVP d'une syntaxe neutre de système destiné à exprimer des clauses de projection, de sélection et de tri collectivement appelées expression d'interrogation.
Ces composants sont modulaires et destinés à être utilisés ensemble ou individuellement par d'autres normes que celles qui référencent l'ISO 19143:2010.
L'ISO 19143:2010 définit un composant abstrait, nommé AbstractQueryExpression, à partir duquel d'autres spécifications peuvent sous-classer des éléments d'interrogation concrets pour mettre en ?uvre des opérations d'interrogation.
L'ISO 19143:2010 définit également un composant d'interrogation abstrait supplémentaire, nommé AbstractAdhocQueryExpression, qui est dérivé du composant AbstractQueryExpression et à partir duquel d'autres spécifications peuvent sous-classer des éléments d'interrogation concrets qui suivent le modèle d'interrogation suivant:
Un élément d'interrogation abstrait à partir duquel des spécifications de service peuvent sous-classer un élément d'interrogation concret mettant en oeuvre une opération d'interrogation permettant à un client de spécifier une liste de types de ressources, une clause de projection optionnelle, une clause de sélection optionnelle et une clause de tri optionnelle afin d'interroger un sous-ensemble de ressources qui satisfont à la clause de sélection.
Ce modèle est désigné comme étant un modèle d'interrogation ad hoc du fait que le serveur n'est pas informé de l'interrogation jusqu'à ce qu'elle lui soit soumise pour traitement. Cela s'oppose à une expression d'interrogation mémorisée, qui est mémorisée et peut être appelée par un nom ou un identifiant.
L'ISO 19143:2010 décrit également un encodage en XML et en KVP d'une représentation neutre de système d'une clause de sélection. La représentation XML est facilement validée, analysée et transformée en un langage spécifique au serveur requis pour récupérer ou modifier des instances d'objets mémorisées dans certains stockages d'objets permanents.
L'ISO 19143:2010 définit l'encodage en XML pour les prédicats suivants: un ensemble standard de prédicats logiques: and, or and not (et, ou et non); un ensemble standard de prédicats de comparaison: equal to, not equal to, less than, less than or equal to, greater than, greater than or equal to, like, is null and between (égal à, pas égal à, inférieur à, inférieur ou égal à, supérieur à, supérieur ou égal à, comme, est nul et entre); un ensemble standard de prédicats spatiaux: equal, disjoint, touches, within, overlaps, crosses, intersects, contains, within a specified distance, beyond a specified distance and BBOX (égal, disjoint, touche, dans, chevauche, croise, intersecte, contient, à une distance spécifiée, au-delà d'une distance spécifiée et boîte englobante); un ensemble standard de prédicats temporels: after, before, begins, begun by, contains, during, ends, equals, meets, met by, overlaps and overlapped by (après, avant, commence, commencé par, contient, pendant, se termine, égal à, satisfait, satisfait par, chevauche et chevauché par); et un prédicat pour vérifier si l'identifiant d'un objet correspond à la valeur spécifiée.
L'ISO 19143:2010 définit l'encodage en XML des métadonnées qui permettent à un service de déclarer les classes de conformité,  les prédicats, les opérateurs, les opérandes et les fonctions qu'il prend en charge. Ces métadonnées sont désignées par le terme Capacités de filtre.

Geografske informacije - Kodiranje s filtrom (ISO 19143:2010)

Ta mednarodni standard opisuje kodiranje XML in KVP sistemsko nevtralne sintakse za izražanje napovedi, izbire in razvrščanja stavkov s skupnim imenom poizvedba. Te komponente so modularne in namenjene skupni ali posamezni uporabi v drugih standardih, ki se sklicujejo na ta mednarodni standard. Ta mednarodni standard opredeljuje abstraktno komponento, imenovano AbstractQueryExpression (abstraktna poizvedba), iz katere lahko druge specifikacije konkretne poizvedbene elemente razdelijo v podrazrede za izvajanje poizvedb. Ta mednarodni standard prav tako opredeljuje dodatno poizvedbeno komponento, imenovano AbstractAdhocQueryExpresison (abstraktna ad hoc poizvedba), ki je izpeljana iz abstraktne poizvedbe ter iz katere lahko druge specifikacije konkretne poizvedbene elemente razdelijo v podrazrede, ki upoštevajo naslednji poizvedbeni vzorec: abstraktni poizvedbeni element, iz katerega lahko specifikacije storitev v podrazrede razdelijo konkretne poizvedbene elemente, ki izvajajo poizvedbo, ki stranki omogoča, da določi seznam vrst virov, izbirni napovedni stavek, izbirni stavek za izbor in izbirni stavek za razvrščanje v poizvedbi podsklopa virov, ki ustrezajo stavku izbire. Ta vzorec se navaja kot ad hoc poizvedbeni vzorec, ker strežnik ni seznanjen s poizvedbo, dokler ni predložena v obravnavo. To je v nasprotju s shranjeno poizvedbo, ki je shranjena in se jo lahko uveljavi z imenom ali oznako. Ta mednarodni standard prav tako opisuje kodiranje XML in KVP sistemsko nevtralne predstavitve izbranega stavka. Predstavitev XML se zlahka potrdi, razčleni in pretvori v strežniško specifičen jezik, ki je potreben za iskanje ali spreminjanje primerkov predmeta, shranjenih v nekem obstojnem pomnilniku predmetov.

General Information

• Status: Published
• Publication Date: 03-Apr-2012
• Withdrawal Date: 30-Oct-2012
• ICS: 35.240.70 - IT applications in science
• Technical Committee: CEN/TC 287 - Geographic Information
• Drafting Committee: CEN/TC 287 - Geographic Information
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 04-Apr-2012
• Due Date: 15-May-2013
• Completion Date: 04-Apr-2012
• Ref Project: SIST EN ISO 19143:2012 - Geographic information - Filter encoding (ISO 19143:2010)

Standards Content (Sample)

SLOVENSKI STANDARD
01-junij-2012
Geografske informacije - Kodiranje s filtrom (ISO 19143:2010)
Geographic information - Filter encoding (ISO 19143:2010)
Geoinformation - Filter Encoding (ISO 19143:2010)
Information géographique - Codage de filtres (ISO 19143:2010)
Ta slovenski standard je istoveten z: EN ISO 19143:2012
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.

EUROPEAN STANDARD
EN ISO 19143
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2012
ICS 35.240.70
English Version
Geographic information - Filter encoding (ISO 19143:2010)
Information géographique - Codage de filtres (ISO Geoinformation - Filter Encoding (ISO 19143:2010)
19143:2010)
This European Standard was approved by CEN on 9 March 2012.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same
status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, 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
© 2012 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 19143:2012: E
worldwide for CEN national Members.

Contents Page
Foreword .3

Foreword
The text of ISO 19143:2010 has been prepared by Technical Committee ISO/TC 211 “Geographic
information/Geomatics” of the International Organization for Standardization (ISO) and has been taken over
as EN ISO 19143:2012 by Technical Committee CEN/TC 287 “Geographic Information” the secretariat of
which is held by BSI.
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by October 2012, and conflicting national standards shall be withdrawn at
the latest by October 2012.
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.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland, Turkey and the United Kingdom.
Endorsement notice
The text of ISO 19143:2010 has been approved by CEN as a EN ISO 19143:2012 without any modification.

INTERNATIONAL ISO
STANDARD 19143
First edition
2010-10-15
Geographic information — Filter
encoding
Information géographique — Codage de filtres

Reference number
ISO 19143:2010(E)
©
ISO 2010
ISO 19143:2010(E)
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ISO 19143:2010(E)
Contents Page
Foreword .iv
Introduction.v
1 Scope.1
2 Conformance .2
3 Normative references.3
4 Terms and definitions .3
5 Conventions.6
5.1 Abbreviated terms .6
5.2 UML notation.7
5.3 Use of examples .8
5.4 Namespaces.8
5.5 KVP-encoded parameter lists .8
5.6 XML Schema fragments.9
6 Query expressions .9
6.1 General .9
6.2 Abstract query expressions .9
6.3 Ad hoc query expression.10
7 Filter.13
7.1 General considerations.13
7.2 Encoding .14
7.3 Expressions .14
7.4 Value references.15
7.5 Literals.17
7.6 Functions.18
7.7 Comparison operators.19
7.8 Spatial operators .22
7.9 Temporal operators.26
7.10 Logical operators .28
7.11 Object identifiers .30
7.12 Extensions .31
7.13 Filter capabilities .33
7.14 Encoding .35
8 Sorting .42
8.1 General considerations.42
8.2 Encoding .42
8.3 Exceptions .43
Annex A (normative) Conformance testing.44
Annex B (informative) Filter schema definitions .48
Annex C (informative) Examples .60
Annex D (informative) EBNF for XPath subset .80
Annex E (informative) Abstract model.81
Bibliography.82

ISO 19143:2010(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 19143 was prepared by Technical Committee ISO/TC 211, Geographic information/Geomatics, in
collaboration with the Open Geospatial Consortium Inc. (OGC).

iv © ISO 2010 – All rights reserved

ISO 19143:2010(E)
Introduction
Filter encoding was originated within the OGC.
A fundamental operation performed on a set of data or resources is that of querying in order to obtain a subset
of the data which contains certain desired information that satisfies some query criteria and which is also,
perhaps, sorted in some specified manner.
The term “projection clause” is used to describe an
...