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Hannes Niederhausen

Telephone: +49 (341) 97-32297
Fax: +49 (341) 97-32299
Email: niederhausen@informatik.uni-leipzig.de

Johannisgasse 26, 04103 Leipzig, Germany

Show address on {{osm}}, {{gmaps}} or {{micromaps}}.

Hannes studied computer science and linguistics at the university of Leipzig. His diploma thesis is about the development of a visual TMCL editor at the Topic Maps Lab.

Since june 2009 he is working at the Topic Maps Lab to enhance the editor and to create new tools for working with Topic Maps.

Author of

Onotoa - a Visual Topic Map Schema Editor

by Hannes Niederhausen 


With the ongoing development of a standardized schema language for topic maps TMCL, it is necessary to develop tools for creating Topic Maps …

Was presented at TMRA 2009.

Onotoa. TMCL-basierter grafischer ...

by Hannes Niederhausen 


Diese Arbeit analysiert den aktuellen Entwurfs des Standards der TMCL. Es werden die Schemaelemente vorgestellt. Auf Basis dieser Analyse wurde ein …

Aranuka - A POJO to Topic Maps mapping ...

by Christian Haß and Hannes Niederhausen 


Frameworks like Hibernate offer an abstraction of the database schemas and provide a facility to generate bindings between the application model and …

Was presented at Topic Maps 2010 ....

Generating an Ontology Specific Editor

by Hannes Niederhausen, Sven Windisch, ...  


Semantic technologies like Topic Maps provide a generic way of structured data representation. These technologies can be used to create data stores …

Was presented at SEMAPRO 2010.

Onotoa - ein Topic-Maps-Schema-Editor auf ...

by Hannes Niederhausen 


Mit Topic Maps lässt sich Wissen auf eine standardisierte Art und Weise speichern und abfragen. Das Topic Maps Lab, eine Forschungsgruppe der …

Author of

Onotoa v. 1.0 released, a Topic Maps Lab ...

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


Onotoa v. 1.0, the new Eclipse-based TMCL editor.

Is about Onotoa - Eclipse.. .

Onotoa 1.0.2 released

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


The Onotoa project releases the new minor version 1.0.2.

Is about Onotoa - Eclipse.. .

Onotoa 1.1.0 released

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


A new version of Onotoa was released. With version 1.1.0 a lot of bugs were fixed. There are also interesting new features, see …

Is about TMCL and Onotoa - Eclipse.. .

New Release: Onotoa 1.1.1

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


The Topic Maps Lab proudly presents a new version of Onotoa.

Is about TMCL.

Aranuka Release 1.0.0

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


The Topic Maps Lab proudly releases the first release of Aranuka, a POJO to Topic Maps mapper.

Is about Aranuka.

Announcement: Released Kuria 1.0.0

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


The Topic Maps Lab proudly presents the first release of Kuria. A library which generates SWT user interfaces based on annotated models. Feel …

Is about Kuria.

Screencast - Getting started with Onotoa, ...

by Hannes Niederhausen


This screencast is about how to create a Topic Maps Schema with Onotoa – from the idea over the schema to an editor application. You can download …

Is about Onotoa - Eclipse.. , Aranuka, ...

Subject of

Topic Maps Lab at ISO meeting in Prague

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


Benjamin Bock and Hannes Niederhausen from the Topic Maps Lab work on the Topic Maps standards at the Prague ISO meeting.

Is about TMCL, TMQL, and TMRM, ...

The Topic Maps Lab Team



Phase II of the Topic Maps Lab venture was started in Mai 2009. This is a list of its current and former members.

Is about Lutz Maicher, ...

Das Topic Maps Lab im Überblick



Gefördert durch das BMBF haben sich im Topic Maps Lab unter der Leitung von Dr. Lutz Maicher die Universität Leipzig (Prof. Dr. G. Heyer) und die …

Is about Michael Prilop, ...

Project Leader of

Onotoa - Eclipse based TMCL editor

is a {{project}}.


Onotoa is an eclipse based ontology editor for Topic Maps. It has a graphical UML-like interface and a export function for the current TMCL-draft ...

Visit homepage of Onotoa - Eclipse ...


is a {{project}}.


Kuria provides a set of java annotations and a parser to generate bindings for widget classes. These bindings are used to input masks, tables and ...

Visit homepage of Kuria

Aranuka Code Generator

is a {{project}}.


This project provides a library to generate Java POJOs based on Topic Maps schemas. The generated classes will have annotations for "Aranuka, the ...

Visit homepage of Aranuka Code ...

Genny - Generic Topic Maps Editor SDK

is a {{project}}.


With Genny it is possible to create a topic map editor based on a TMCL schema. The editor uses "Aranuka":http://code.google.com/p/aranuka to store ...

Visit homepage of Genny - Generic ...

TMQL-BIRT Data Provider

is a {{project}}.


BIRT is an open source Eclipse-based reporting system that integrates with Java/Java EE applications to produce compelling reports. The TMQL BIRT ...

Visit homepage of TMQL-BIRT Data ...

MaJorToM Server

is a {{project}}.


Majortom Server is a Spring application which provides a TMQL HTTP interface to query topic maps. The server allows you to easily distribute topic ...

Visit homepage of MaJorToM Server


is a {{project}}.


Tamana is a tool to view and refine topic maps. It provides a Maiana-like viewer, a refine view and a TMQL console to test TMQL Queries or to access ...

Visit homepage of Tamana

Project Member of


is a {{project}}.


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

Visit homepage of Ontopia


is a {{project}}.


Aranuka is a java object to topic map mapper. It specifies a set of java annotations and provides classes to persist the annotated java objects into ...

Visit homepage of Aranuka


is a {{project}}.


The tmql4j engine is the first Java-based engine processing the topic maps query language. The engine is designed as processing chain of independent ...

Visit homepage of TMQL4J

CTM writer

is a {{project}}.


This implementation of a CTM Writer provides the core functionality of exporting every topic map to CTM. The main benefits of the CTM writer ...

Visit homepage of CTM writer


is a {{project}}.


Yacca is a social game. It is a virtual fan block for the 2010 FIFA World Cup South Africa™. Everything in Yacca revolves around the Yacca cards ...

Visit homepage of yacca.me


is a {{project}}.


TMAPIX is a package of utilities for TMAPI compatible Topic Maps engines.

Visit homepage of TMAPIX

JTM writer

is a {{project}}.


The JTM writer is an open source, Java based deserializer for the JSON topic maps notation. The JTM writer is built into ...

Visit homepage of JTM writer


is a {{project}}.


MaJorToM is more than just a Topic Maps engine, it's a kind of philosophy of designing an independent Topic Maps engine. The MaJorToM API extends ...

Visit homepage of MaJorToM

Chair of


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Topic Maps is an excellent paradigm to support human thinking and to visualize networked information. As part of my PhD project, I therefore chose Topic Maps as the conceptual foundation for designing and implementing a software prototype for semantic knowledge retrieval.

Stefan Smolnik
Topic Maps Lab auf der Cebit 2011

Graduate from the Topic Maps Lab