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OHI Tool

The OHITool extension is an extension used in a Virtual Research Environmen based on Semantic MediaWiki and allows reaserchers to carry out Qualitative Analysis of social interaction using Objective Hermeneutical methodology. The extension particularly has been tailored to be use for classroom interaction analysis.

It was developed within the research project SMW-CorA and funded by the DFG.


Download the zip file and extract it to the folder of your MediaWiki installation, unter the folder extensions.


This extension requires Semantic MediaWiki, Semantic Result Formats and Header Tabs to be installed first.

Please edit the file LocalSettings.php and add the following line:

require_once( "$IP/extensions/OHI/OHI.php" );

The extension will be installed under the Section Other special pages of Special:SpecialPages, under the name Objective Hermeneutic Interpretor Tool.


This is a brief introduction on how to use the OHITool. A more detailed guide will appear on this page in the near future.

Important. After the installation, in the extension folder, there is a folder OHI/resources/templates. An XML file contaning templates, forms and semantic properties could be automatically created using Special:Import procedure of MediaWiki. The import will also create a complete example of a transcript, in the main namespace, under the Neu_Ethik_Klasse6_Fremdsein_apaek02152 name.

In order to start a new transcript, please call special page Formular:Erhebungsmaterial_Metadaten, if your wiki is in German, otherwise call Form:Erhebungsmaterial_Metadaten (for English). After you collect the transcript data and save the formular, you should see the following interface:


An explanation for abbreviation used by tool is here (German version): Help.

 You will find detailed instructions, written in English, on how to use the OHITool 
 under the following links:
 General information on working with Semantic CorA
 Working with Semantic CorA
 Creating a new transcript
 The same instructions are also available in German:
 Allgemeine Hinweise zum Arbeiten mit Semantic CorA 
 Mit Semantic CorA arbeiten
 Ein neues Transkript erstellen

List of Templates and Forms


  1. Erhebungsmaterial Metadaten
  2. Extension DPL
  3. Fallstrukturanalyse
  4. ShowText
  5. Show Metadata
  6. StoreFallstrukturanalyse
  7. StoreFallstrukturhypothese
  8. TextAnnotation
  9. TextAnnotationLevel2
  10. TextAnnotationLevel3
  11. TextAnnotationNew
  12. Transkript
  13. Transkript kurz
  14. Zeige Metadata


  1. Erhebungsmaterial Metadaten
  2. Erhebungsmaterial Metadaten 2
  3. Fallstrukturanalyse
  4. Linkliste
  5. Medien
  6. TextAnnotation

About Objective Hermeneutic method

For an extensive information about Objective Hermeneutic method, please consult the following papers (in English):

In the following picture we present the ontology of classroom interaction:


Also, the researcher will follow the Objective Hermeneutic protocol, as in the picture:


You may also consult the presentation of the talk given at the OpenSym'17 conference in Galway, Ireland:

SMW Based VRE for Addressing Multi-Layered Data Analysis – The Use Case of Classroom Interaction Interpretation.

Known issues

  • This tool is usually required in German space, due the fact that it was a genuine German idea. This is the reason that properties, templates

and interface is in German. For the next version, we plan to have an English version also.


If you use our software, we would be really happy if you cite our work like this: Kminek, H., Meier, M., Hocker, J. Veja, L., Schindler, C, Sticht, K. (2018). OHTool: Extension for Objective Hermeneutics for Semantic MediaWiki [Software]. Online available at: