Home Articles Books Search About
日本語
CATMA: A Guide to Web-Based Text Annotation and Analysis

CATMA: A Guide to Web-Based Text Annotation and Analysis

Introduction In Digital Humanities (DH) research, text analysis is one of the most fundamental and important methodologies. Conducting structural analysis of literary works and historical documents requires an environment where you can systematically annotate texts and analyze them quantitatively. CATMA (Computer Assisted Text Markup and Analysis) is a web-based text annotation and analysis platform developed by forTextLab at the University of Hamburg. It allows researchers to tag texts and perform analysis through an intuitive interface, without requiring any programming knowledge. ...

Taguette: A Free Open-Source Qualitative Data Analysis Tool

Taguette: A Free Open-Source Qualitative Data Analysis Tool

Introduction Qualitative Data Analysis (QDA) is a research methodology that involves assigning tags or codes to text data — such as interview transcripts, field notes, and historical documents — to identify patterns and themes. Traditionally, commercial software like NVivo and ATLAS.ti has been widely used, but their expensive license fees can be a barrier for researchers and students. This article introduces Taguette, a free open-source qualitative data analysis tool that has gained attention as an alternative to NVivo and ATLAS.ti. ...

Voyant Tools: A Browser-Based Text Analysis Platform for Digital Humanities

Voyant Tools: A Browser-Based Text Analysis Platform for Digital Humanities

TL;DR Voyant Tools is a browser-based text analysis platform. Simply paste or upload text data to instantly perform word cloud generation, KWIC (Key Word In Context) analysis, co-occurrence analysis, topic modeling, TF-IDF calculations, and more. It supports Japanese morphological analysis and is widely used as a standard text mining tool in Digital Humanities. What is Voyant Tools? Voyant Tools is an open-source text analysis environment developed by Stéfan Sinclair and Geoffrey Rockwell. With over 20 years of history since its first version in 2003, it is one of the most widely used text analysis tools in the DH field. ...