Generating an Ontology Specific Editor

Hannes Niederhausen, Sven Windisch, Lutz Maicher

Topic Maps LabUniversity of LeipzigLeipzig, Germany

29.10.2010/SEMAPRO2010

Hannes Niederhausen, Sven Windisch, Lutz Maicher (Topic Maps Lab) 29.10.2010/SEMAPRO2010 1/24

Introduction

I The name: Hannes Niederhausen

I Working at the Topic Maps LabI Topic Maps Lab:

I Research Group at the University of LeipzigI Developing Tools and Applications for Topic MapsI Website: http://www.topicmapslab.de

Outline

Background: Topic Maps

Background: Onotoa

Motivation

Software Stack of the Generated Editor

Example

Summary

Outline

Background: Onotoa

Motivation

Example

Summary

Background: Topic Maps IThe ISO-Standard

I Subject centric semantic technologies

I ISO Standard Family: Core: TMDM ISO 13250-2

I Other parts: Serialisations, Query and Schema Language

I Topics represent anything like persons, web pages or abstract types likecolours

Background: Topic Maps IITopics

I Topic has identifier:I item identifier IRI to identify topic map element inside a topic mapI subject identifier IRI to description of represented subjectI subject locator IRI which leads to the represented subject

I Topic has names - typed using other topicsI Topics has occurrences - typed using other topicsI Topics can be typed by other topicsI Example Topic: "http://topicmapslab.de/people/Hannes_Niederhausen"

has the Name "Hannes Niederhausen" of type "wiki:Fullname" and is a"wiki:Person".

Background: Topic Maps IIIAssociations

I Associations connect topics

I Associations are typed with topics

I A topic plays a role in an association

I Roles are also typed with topics

I Example: "Hannes Niederhausen" plays role "Employee" in association"works for"

Outline

Background: Onotoa

Motivation

Example

Summary

Background: Onotoa

I Onotoa is schema editor for Topic Maps

I Plug-in based application based on Eclipse RCP

I Provides export to Topic Maps Constraint Language (ISO 19756)

I Provides schema extensions, called annotation

I Current beta: http://onotoa.topicmapslab.de/beta

Outline

Background: Onotoa

Motivation

Example

Summary

Motivation

I Topic Maps can be created by:I Merging different topic mapsI A mapping of non-topic-map data to a topic mapI Entered by authors

I For the latter an editor is needed

I Model-Driven-Development generates source code based on modeldescription like UML

I Question: Why not generate the domain model based on a Topic Mapsschema?

I After generating the domain model the next logic step was to generate awhole application.

Outline

Background: Onotoa

Motivation

Example

Summary

Software Stack of the Generated EditorExample for a Generated Editor

Figure: A generated application with some data.

Generated Editor Stack

Eclipse RCP

Aranuka Kuria

Topic MapsEngine

Generic Editor

Components

GeneratedDomain Specific

Component

Figure: The components of a generated editor application.

Outline

Background: Onotoa

Motivation

Example

Summary

ExampleDomain

I Attendees of SEMAPRO2010 and their employers

I If an attendee gives one or more presentations persist it too

ExampleSchema

Figure: The domain in the abstract domain diagram of Onotoa.

ExampleGenerator Annotations

I Annotate types to generate categories

I Set names to use as object serialisation

I Do not generate fields in talk and company for persons

ExampleGenerated Editor

Figure: The generated application with some data.

Editor Features

I Edit topic maps instances

I Store topic maps in a database or files

I Easy to modify by generating a new editor model

I Extendable with other Eclipse Plug-ins

I Application is platform independent

I Upload the topic map to Maiana(http://maiana.topicmapslab.de)

Outline

Background: Onotoa

Motivation

Example

Summary

I Generate an editor inside Onotoa very easy

I Building the application without any knowledge of Eclipse framework

I OutlookI Support more Topic Maps constructs, like reification and scopeI Provide layout configuration

The Sources

I All libraries are Open Source:I Onotoa:http://code.google.com/a/eclipselabs.org/p/onotoa/

I Kuria: http://code.google.com/p/kuria/I Aranuka: http://code.google.com/p/aranuka/I Code Generator:http://code.google.com/p/aranuka-codegenerator/

I Generic Editor SDK:http://code.google.com/a/eclipselabs.org/p/genny/

Questions??

Generating an Ontology Specific Editor

Technology

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