Code list management supported through a controlled domain vocabulary

Erik Stubkjær, Hans-Christoph Gruler, Scott Simmons, Volkan Cagdas

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Abstract

Standards like the ISO 19152:2012 Land Administration Domain Model (LADM) basically
specifies classes and the relations among them. However, this methodology cannot catch the
richness of variations of the domain, and therefore code lists are introduced as a supplement.
In fact, the LADM mentions a number of code lists for each of the packages of the standard.
The codes with name and description are not part of the standard; rather, examples are
provided in an informative Annex J of the standard, while the specification of the code lists is
left to ‘User communities [who] have to define and manage their own values when
implementing this International [LADM] Standard’.

As the mentioned user communities all belong to the domain of Land Administration, the
specification of code lists would benefit from applying a shared or harmonized terminology.
The alternative would lead to communication problems and costs. Within other domains, e.g.
agriculture, economy, and environment, controlled vocabularies have been developed
(AGROVOC; STW–Thesaurus for Economics; GEMET), each amounting to several thousand
terms. The Cadastre and Land Administration Thesaurus (CaLAThe) was issued 2011, based
on the then draft version of LADM. The present CaLAThe version 3 of 2019 was extended to
about 200 terms, reflecting also the terms of the OGC Land and Infrastructure Conceptual
Model Standard (LandInfra) of 2016.

The paper explores the potential of applying CaLAThe for code list management, motivated
among others by the decision by ISO/TC 211 to revise LADM in terms of a Stage 0-project.
Semantic web tools are investigated in order to provide for more explicit semantics of code
list values (cf. van Oosterom et al., 2019), in line with previous proposals (Paasch et al., 2015)
and (Stubkjær et al., 2018). Moreover, suggestions for international cooperation are outlined.
Original languageEnglish
Title of host publicationThe 8th Land Administration Domain Model Workshop
Number of pages14
PublisherInternational Federation of Surveyors
Publication date2019
Pages37-50
ISBN (Print)978-87-92853-91-2
ISBN (Electronic)978-87-92853-92-9
Publication statusPublished - 2019
EventThe 8th Land Administration Domain Model Workshop - Kuala Lumpur, Kuala Lumpur, Malaysia
Duration: 1 Oct 20193 Oct 2019
https://wiki.tudelft.nl/bin/view/Research/ISO19152/LADM2019Workshop

Workshop

WorkshopThe 8th Land Administration Domain Model Workshop
LocationKuala Lumpur
Country/TerritoryMalaysia
CityKuala Lumpur
Period01/10/201903/10/2019
Internet address
SeriesFIG publication
ISSN2311-8423

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