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Lars Marius Garshol


Address:
Sandakerveien 24, 0473 Oslo, Norway

Lars Marius Garshol is one of the founders of Ontopia, and development manager/CTO at Ontopia from 2000 to 2007. Now he is project leader for the
Ontopia open source project at Bouvet.

Author of

Subject-centric Computing

by Lutz Maicher and Lars Marius Garshol 

Tmra_2008

The papers in this volume were presented at TMRA 2008, the International Conference on Topic Maps Research and Applications, held 16-17 October …


Was presented at TMRA 2008.

TMCL and OWL

by Lars Marius Garshol 

Owl_in_the_box

This paper compares the Topic Maps schema language TMCL with the corresponding RDF technologies RDFS/OWL, and describes the first method for …


Was presented at TMRA 2008.

Emnekart i praksis

by Lars Marius Garshol 

Faecher

Emnekart er en ny og bedre løsning for informasjonshåndtering, men hvordan tar man denne teknologien i bruk? Denne presentasjonen gir et overblikk …


Was presented at Emnekart 2002.

Gjennomføring av et emnekartprosjekt

by Lars Marius Garshol 

Plate_fish

Hvordan ser et typisk emnekartprosjekt ut? Hvordan skiller det seg fra andre IT-prosjekter? Hvilken kompetanse krever det? Er utarbeidelse av …


Was presented at Emnekart 2003.

Report From the Open Space Sessions of TMRA ...

by Lars Marius Garshol and Lutz Maicher 

Japanese_lamp

This is a summary of the presentations made in the two open space sessions at the TMRA 2008 conference. The open space sessions were free-form …


Was presented at TMRA 2009.

The Contributions for the Poster Session

by Lutz Maicher and Lars Marius Garshol 

Punkt-blau

This paper contains the abstracts of the posters that were presented at the TMRA 2009 conference.


Was presented at TMRA 2009.

Tolog Updates

by Lars Marius Garshol 

Blume-rot

This paper presents a proposal for a Topic Maps query update language, an extension to the already existing tolog query language, partly based on …


Was presented at TMRA 2009.

Towards Semantic Search with Topic Maps

by Lars Marius Garshol 

Towards_the_light

Using traditional full-text search on Topic Maps is the most common approach to search in Topic Maps today, and while it works quite well in most …


Was presented at TMRA 2009.

Towards a methodology for developing Topic ...

by Lars Marius Garshol 

Schmetterling

This paper describes a proposed methodology for developing Topic Maps ontologies. The methodology is explicitly designed for the development of an …


Was presented at TMRA 2006.

TMRAP - Topic Maps Remote Access Protocol

by Lars Marius Garshol 

Open_door

This paper describes TMRAP, an abstract web service interface for remote access to topic maps. It can be used to access a topic map repository to …


Was presented at TMRA 2006.

A citizen's portal for the city of Bergen

by Lars Marius Garshol 

Bergen_station

In early 2007 the city of Bergen, the second largest city in Norway, launched a new citizen’s portal based on Topic Maps. This paper describes the …


Was presented at TMRA 2007.

tolog - A Topic Maps Query Language (2006)

by Lars Marius Garshol 

Iron_bird

This paper describes a query algebra for tolog, a query language for Topic Maps inspired by Prolog and very similar to Datalog. The language is …


Was presented at TMRA 2005.

Metadata? Thesauri? Taxonomies? Topic Maps: ...

by Lars Marius Garshol 

Funkturm

To be faced with a document collection and not to be able to find the information you know exists somewhere within it is a problem as old as the …


TMRAP support in the blog

by Lars Marius Garshol 

Punkte-rot

What I really want to do is to write each blog entry, and then say what the blog entry is about (that is, tag it) in the blog entry itself. Figuring …


The get-illustration web service

by Lars Marius Garshol 

Spirale

I’m working on a site that lists the various Topic Maps-related software that’s out there, in an effort to make all the tools that have been …


Living with topic maps and RDF

by Lars Marius Garshol 

Living

This paper is about the relationship between the topic map and RDF standards families. It compares the two technologies and looks at ways to make it …


Comparing Topic Maps and RDF

by Lars Marius Garshol 

Compare

The Topic Maps and RDF technology stacks are quite complex, and it’s not easy to see how the various pieces compare. So I thought I’d write a little …


The XML Papers. Lessons on Applying Topic ...

by Steve Pepper and Lars Marius Garshol 

Ballet

This paper describes some of the basic steps in applying topic maps in a real world application, a topic map-driven web portal of conference papers. …


Impedance mismatch 2.0

by Lars Marius Garshol 

Mismatch

A recurring challenge for Topic Maps-based projects is how to structure applications internally. For traditional projects based on relational …


RDF and Topic Maps Interoperability in ...

by Lars Marius Garshol and Motomu Naito 

Velazquez

This demo will show a practical approach to interoperability between RDF and Topic Maps, based on the RTM vocabulary for mapping RDF data to Topic …


The RTM RDF to topic maps mapping. ...

by Lars Marius Garshol 

Mapping

This technical report defines version 0.2 of the RTM RDF to topic maps mapping vocabulary. Please note that this document is not a formal …


The Linear Topic Map Notation. Definition ...

by Lars Marius Garshol 

Linear

This technical report defines version 1.3 of the Linear Topic Map Notation, also known as LTM. It provides both an introduction and a formal …


Topic Maps Data Model --- (Final Draft 2004)

by Lars Marius Garshol and Graham Moore 

Model

This part of ISO/IEC 13250 specifies a data model for topic maps. It defines the abstract structure of topic maps, using the information set …


Presentation about NRK/Skole case

by Lars Marius Garshol, Per Magnus Løvold, ...  

Dsc01971

Lars Marius Garshol of Bouvet and Per Magnus Løvold and Eirik Befring of NRK (Norwegian National Broadcasting) did a presentation of the NRK/Skole …


GTM Level 1 Proposal

by Lars Marius Garshol 

Level

This presentation gives not a detailed and outworked definition of the work’s to be done by GTM Level 1, it only defines the shapes of diagrams and …


Meeting Notes on FCD 19756, Information ...

by Lars Marius Garshol 

Notes

This presentation deals with some open issues on the Topic Maps Contraint Language (TMCL)


The Prague meeting

by Lars Marius Garshol 

Prague

The ISO SC34 meeting in Prague was a big affair with five different working groups and many attendees. Working group 3 had a lower attendance than …


Topic Maps Query Language

by Lars Marius Garshol and Robert Barta 

Allee

This International Standard defines a formal language for accessing information organized according to the Topic Maps paradigm. This document …


Ontopia: Introduction 1

by Lars Marius Garshol 

Topia

The Ontopia tutorial teaches how to use the Ontopia product to build Topic Maps-based applications of all kinds. It consists of two parts: a …


Was presented at Topic Maps 2010 ....

Ontopia: Introduction 2

by Lars Marius Garshol 

Topia_2

The Ontopia tutorial teaches how to use the Ontopia product to build Topic Maps-based applications of all kinds. It consists of two parts: a …


Was presented at Topic Maps 2010 ....

Experiments in Linked Data

by Lars Marius Garshol 

Social_art

Linked data based on Topic Maps has a huge potential that is today largely unexploited in commercial applications, in large part because customers …


Was presented at Topic Maps 2010 ....

Topic Map Query Language, Use Cases

by Robert Barta and Lars Marius Garshol 

Snake_skin_case

This document is part of the effort to define a standard query language for Topic Maps (TMQL, ISO18048) and as such describes possible use scenarios …


XTM Fragment Interchange 0.1

by Lars Marius Garshol 

Fragment

This document defines a syntax for interchange of topic map fragments, based on an abstract protocol. The syntax here defined is a subset of the XTM


Extending tolog

by Lars Marius Garshol 

Extend

This paper describes a number of extensions that might be made to the tolog query language for topic maps in order to make it fulfill all the …


A Foundational Model for Topic Maps

by Lars Marius Garshol 

Puzzle

This presentation tries to develop some ideas of a common formal model as a foundation of Topic Maps. It is states that this model should be simpler …


Q: A model for topic maps. Unifying RDF and ...

by Lars Marius Garshol 

Qqq

This paper proposes a simple formal model for topic maps called the Q model, which can informally be thought of as RDF triples extended with a …


tolog - A Topic Map Query Language (2001)

by Lars Marius Garshol 

Zaun

This paper describes a query language for topic maps called tolog. This query language is inspired by Prolog and, as described in this paper, …


Synchronizing Topic Maps with External ...

by Lars Marius Garshol 

Synchronizing

Topic Maps hold out great promise as a way to simplify data integration and presenting an easy-to-use interface to integrated data sets. Through …


Was presented at TMRA 2006.

TM/XML – Topic Maps Fragments in XML

by Dmitry Bogachev and Lars Marius Garshol 

Puzzle_fragments

This paper describes TM/XML, an XML syntax for Topic Maps that is very close to the natural, or colloquial, XML representation of the information in …


Was presented at TMRA 2005.

Report from the Open Space and Poster ...

by Lars Marius Garshol and Lutz Maicher 

Open_space

This is a summary of the presentations made in the poster session and the two open space sessions at the TMRA 2006 conference. The poster session …


Was presented at TMRA 2006.

TM/XML

by Lars Marius Garshol 

Green_lamp

The design of TM/XML, first heard of at TMRA’05, has now at long last been finalized, and the paper about it sent off to the publishers. I figured …


Guidelines for RDF/Topic Maps ...

by Steve Pepper, Lars Marius Garshol, ...  

Guideline

The Resource Description Framework (RDF) is a model developed by the W3C for representing information about resources in the World Wide Web. Topic …


A Survey of RDF/Topic Maps Interoperability ...

by Steve Pepper, Fabio Vitali, ...  

Mississippi_castle

The Resource Description Framework (RDF) is a model developed by the W3C for representing information about resources in the World Wide Web. Topic …


TMQL requirements (1.0.0)

by Hans Holger Rath and Lars Marius Garshol 

Polar_house

This document sets down the requirements that will guide the work with the Topic Map Query Language (TMQL), a query language for topic maps that is …


Topic map foundational model requirements

by Graham Moore and Lars Marius Garshol 

Bronze_head

This document contains a set of requirements for the work on the foundational model for topic maps, for the consideration of SC34 WG3 in particular …


TMQL requirements 1.2.0

by Lars Marius Garshol and Robert Barta 

Hoop

This document provides informal requirements and feature lists for the upcoming ISO standard TMQL (Topic Map Query Language, ISO/IEC 18048). It …


TMQL Use Case Solutions

by Lars Marius Garshol and Robert Barta 

Solution

This document collects solutions to the TMQL use cases in different languages into a single document for comparison purposes. The idea is that …


A Proposed Foundational Model for Topic Maps

by Lars Marius Garshol 

Fireworks

This document contains a proposal for a Foundational Model for Topic Maps, intended to meet a specific set of goals, and with some thoughts on how …


Topic Maps Data Model --- (Committee Draft ...

by Lars Marius Garshol and Graham Moore 

Old_piano

This part of ISO/IEC 13250 specifies a data model for topic maps. It defines the abstract structure of topic maps, using the information set …


Topic Maps Data Model (2008)

by Lars Marius Garshol and Graham Moore 

Blue_cube

This part of ISO/IEC13250 specifies a data model of Topic Maps. It defines the abstract structure of Topic Maps, using the information set …


Topic Maps — XML Syntax (Final Draft)

by Lars Marius Garshol and Graham Moore 

Petit_chat

This part of ISO/IEC13250 defines an XML-based interchange syntax for Topic Maps, which can be used to interchange instances of the data model …


What Are Topic Maps?

by Lars Marius Garshol 

Bubble_girl

Many years ago, I started looking into SGML and XML as a way to make information more manageable and findable, which was something I had been …


An RDF Schema for topic maps

by Lars Marius Garshol 

Schema

This document describes an RDF schema that is essentially a translation of the Standard Application Model for Topic Maps into RDF. As such it allows …


SKOS in Topic Maps

by Lars Marius Garshol 

Stork

I’ve argued for a long time that the RTM vocabulary for mapping RDF to Topic Maps makes it possible to use RDF vocabularies in Topic Maps. Nobody …


The Standard Application Model for Topic ...

by Lars Marius Garshol and Graham Moore 

Acid_cat

This document defines the structure and interpretation of topic maps by defining the semantics of topic map constructs using prose, and the …


TMQL requirements (0.8.2)

by Hans Holger Rath and Lars Marius Garshol 

Stone_buddha

This document sets down the requirements that will guide the work with the Topic Map Query Language (TMQL), a query language for topic maps. The …


A Topic Map Data Model: An infoset-based ...

by Lars Marius Garshol and Hans Holger Rath 

Red_mustang

This document defines an abstract model for topic maps which makes explicit the implicit data models of ISO 13250 and XTM 1.0. It also defines a …


Canonical XTM - A canonical serialization ...

by Lars Marius Garshol 

Brass_dog

This specification describes a serialization format for XML topic maps which has the property that all logically equivalent topic maps have the …


XTM Data Model Proposal

by Lars Marius Garshol 

Middlesboro

This proposal is meant as design input to the XTM [XML Topic Maps] Data model group, and uses an EXPRESS schema with accompanying EXPRESS-G diagrams …


Towards the definition of guidelines for ...

by Valentina Presutti, Lars Marius Garshol, ...  

Ticka

The Semantic Web relies on the presence of semantic annotations which describe information in a machine readable form. There are two standard …


Reusing data across Topic Maps and RDF

by Steve Pepper, Valentina Presutti, ...  

Reused_bottles

This paper describes some of the trickier issues involved in creating a semantic mapping from Topic Maps to RDF and vice versa, and the solutions …


Semantic searching with Topic Maps

by Lars Marius Garshol 

Meercat

Garbage in, garbage out applies not just to information processing in general, but also especially to search. The quality of the data being searched …


Was presented at Extreme Markup ....

tolog for TMQL

by Lars Marius Garshol 

Log

Do you really need to find something in Topic Maps, not just browse them? Perhaps you want to edit Topic Maps, and your tool needs to select …


tolog 1.0

by Lars Marius Garshol 

Lego_loggers

This document provides a specification for tolog 1.0 in the form of a precise and rigorous description of the language syntax and semantics based on …


A new approach to semantic integration

by Lars Marius Garshol 

Red_desert

This paper presents an approach to using semantic technologies to achieve better and more flexible integration of IT systems. The author believes …


Ontopia/Liferay Integration

by Lars Marius Garshol and Matthias Fischer 

Rays

This paper describes an integration of the Ontopia Topic Maps engine with the Liferay portal and CMS, and the benefits this has for both toolkits. …


Topic Maps in Content Management. The rise ...

by Lars Marius Garshol 

Content_cat

This paper shows how topic maps can address the limitations of traditional content management systems while building on their strengths. The term …


The Ontopia Schema Language

by Lars Marius Garshol 

Schema_entreprise

This document provides a tutorial introduction to The Ontopia Schema Language, suitable for learning the language. For detailed information about …


tolog - A Topic Maps Query Language (2004)

by Lars Marius Garshol 

Heel2heel

This paper describes a query language for topic maps called tolog. This query language is inspired by Prolog and, as described in this paper, …


tolog - Language Tutorial

by Lars Marius Garshol 

Fire_pit

This document is a tutorial introduction to the tolog topic map query language. It explains how to use all the features of the language, as defined …


Topic Maps and Automated Classification

by Lars Marius Garshol 

Automated

The main obstacle to the use of Topic Maps is the cost of the intellectual effort required to construct and maintain the topic map, and automation …


Was presented at Topic Maps 2007.

Web 2.0 and Topic Maps

by Lars Marius Garshol 

Web_20_tm

This presentation clears some points of Web 2.0 and its ways of using Topic Maps.


What are Topic Maps

by Lars Marius Garshol 

4097748571_e5fa73eba0_m

Many years ago, I started looking into SGML and XML as a way to make information more manageable and findable, which was something I had been …


tolog - A topic map query language

by Lars Marius Garshol 

7969887_f273f7d934_m

A paper from XML Europe 2001 that describes a query language for topic maps called tolog. This query language is inspired by Prolog and fully …


Information Wants to be a Topic Map

by Lutz Maicher and Lars Marius Garshol 

190100151_f42c1604fa_m

TMRA 2010 is the sixth conference in this annual series of international conferences dedicated to Topic Maps in science and industry. The goal …


Was presented at TMRA 2010.

The Contributions for the Poster Session

by Lars Marius Garshol and Lutz Maicher 

4475149767_5e61f24f65_m

This paper contains the abstracts of the posters that were presented at
the TMRA 2010 conference.


Was presented at TMRA 2010.

Report from the Open Space Sessions of TMRA ...

by Lutz Maicher and Lars Marius Garshol 

4343244535_9d48e3ebf2_m

This is a summary of the presentations made in the two open space sessions at the TMRA 2009 conference. The open space sessions were free-form …


Was presented at TMRA 2010.

TopicMaps - Human-oriented semantics?

by Lars Marius Garshol 

Signet_publication

What are semantic technologies? Introduction to Topic Maps Topic Maps and classification A short history of Topic Maps The standards Topic …


Deduplication

by Lars Marius Garshol 

Signet_publication

This presentation describes the ideas behind the duke engine and the intended architecture.


Editor of

Topic Maps — XML Syntax 

Edited by Lars Marius Garshol and Graham Moore.

Signet_standard

This part of ISO/IEC13250 defines an XML-based interchange syntax for Topic Maps, which can be used to interchange instances of the data model defined in [ISO/IEC 13250-2]. It …

Topic Maps — Data Model  

Edited by Lars Marius Garshol and Graham Moore.

Signet_standard

This part of ISO/IEC13250 specifies a data model of Topic Maps. It defines the abstract structure of Topic Maps, using the information set formalism, and to some extent their …

Topic Maps — Query Language 

Edited by Robert Barta and Lars Marius Garshol.

Signet_standard

This International Standard defines a formal language for accessing information organized according to the Topic Maps paradigm. This document provides syntax to form valid query …

Subject of

Ontopia Code Camp at TMRA 2009

Published by {{by}} on {{at}}.

Ontopia-code-camp-ii_2_1_

At the Ontopia code camp you get introduced to Ontopia, the main open source Topic Maps project today, and learn …

Is about Lars Marius Garshol, ...

Project Leader of

duke - fast deduplication engine

is a {{project}}.

165987104_721b792428_m_1_

Duke is a fast and flexible deduplication (or entity resolution, or record linkage) engine written in Java on top of Lucene. At the moment ...

Visit homepage of duke - fast ...

Project Member of

Ontopia

is a {{project}}.

Logo_1_

Ontopia is a complete set of open source tools for building, maintaining, and deploying Topic Maps-based applications.

Visit homepage of Ontopia

TMRAP

is a {{project}}.

Muschel

TMRAP, Topic Maps Remote Access Protocol, is a web service interface for interacting with Topic Maps servers developed by Ontopia and implemented in ...

Visit homepage of TMRAP

TMAPI - Common Topic Map Application ...

is a {{project}}.

Tmapi_shadow

TMAPI is a programming interface for accessing and manipulating data held in a topic map. The TMAPI specification defines a set of core interfaces ...

Visit homepage of TMAPI - Common Topic ...

Chair of

Ontopia Consolidating Meeting

Meeting in Oslo at {{start}}

Signet_event

The purpose of the consolidating meeting is to allow interested parties to influence the Ontopia open source project before it is started, to ensure …

Visit homepage of Ontopia ...

Speaker at

Emnekart 2003

Conference at {{start}}

Logo_1_1_

The second Norwegian Topic Maps conference.

Visit homepage of Emnekart 2003

AToMS 2006

Conference at {{start}}

Atoms-1_1_

AToMS, Asian Topic Maps Summit, 2006 was a one-day conference devoted to Topic Maps. The conference was organized by the two Korean standards …

Visit homepage of AToMS 2006

Ontopia Consolidating Meeting

Meeting in Oslo at {{start}}

Signet_event

The purpose of the consolidating meeting is to allow interested parties to influence the Ontopia open source project before it is started, to ensure …

Visit homepage of Ontopia ...

 

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Nowadays Topic Maps appears to be very suitable for being applied in Libraries, Archives and Museums. It provides a suitable model and mechanisms for depth indexing, classification and the implementation of FRBR, CIDOC-CRM or other conceptualizations.

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