Tools

Analysis

Wisdom

Wisdom was a word sense disambiguation system that participated in the 1998 SENSEVAL competition. It used a simple supervised learning algorithm, drawing on co-occurrence statistics.

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Natural Language Processing

SCBD (Sentence and Chunk Boundaries Detector)

SCBD (Sentence and Chunk Boundaries Detector) was an NLP tool suited to Modern Greek text. It could detect sentence and chunk boundaries within an unrestricted text, could assign style markers, and was effective even on a large corpus of 200,000 words

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Natural Language Processing

EXPLEX

EXPLEX (EXtracting information about Proper nouns to provide LEXical information) was a natural language processing system available in the 1990s. It was developed to create lexical entries for nouns appearing in the Wall Street Journal .

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Natural Language Processing

IITagger

IITagger was a part of speech tagging system developed in the 1990s to assign part of speech information to words from the Wall Street Journal .

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Natural Language Processing

WinBrill

WinBrill is a part-of-speech tagger developed by Eric Brill in the 1990s for the French language laboratory ATILF. It was originally available for UNIX, with WinBrill optimized for Windows 95/98/NT as of 1999. The ATILP provided a vocabulary and rules files based on FRANTEXT data. Versions of the Brill tagger are still extant online.

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Natural Language Processing

SRILM (SRI Language Modelling Toolkit)

SRILM (SRI Language Modelling Toolkit) is a toolkit for language modelling first developed in the 1990s and still in active development. It has applications in speech recognition, statistical tagging, segmentation and machine translation. The toolkit is available for Windows and UNIX, and users have developed a variety of extensions for it.

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Natural Language Processing

RQDA

RQDA is a free R package for qualitative analysis, developed specifically to analyze textual data. It is available for Windows, Linux/FreeBSD and Mac OS X. It currently requires texts to be in plain text format. RQDA supports non-English texts, and has been tested with Simplified Chinese in particular.

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Annotating

Annotation Studio

Annotation Studio is an open source, web-based annotation application that integrates a powerful set of textual interpretation tools behind an intuitive and easy-to-use interface. Users can upload their own texts, and annotate with styled text, video, images, and weblinks. To date, the project has been used with great success in disciplines such as Writing, Literature, Foreign Languages, Anthropology, Film and Media Studies, and others at institutions including Harvard, Yale, Stanford, MIT, Barnard College, and Washington University.

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Visualization

Paper Machines

Paper Machines is a topic modelling and visualization tool available as a plugin for Zotero. It analyzes Zotero bibliographic collections based on a selection of text mining processes, and enables users to export a variety of visualizations, such as word clouds, phrase nets or heat maps, from the results.

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Search

Overview

Overview is a free, web-based tool for document mining. Developed by and for journalists, Overview is also broadly applicable to other corpus-based research applications. Aside from providing advanced search features such as regular expressions and fuzzy matching, Overview automatically sorts documents according to topic and provides a fast visualization and reading interface. You can apply tags to search results, individual documents, or entire topics to track what you've found, then export the entire document set with its tags to perform further processing or create visualization. It’s been used for qualitative research, social media conversation analysis, legal document review, digital humanities, and more. Overview can be run via the web interface (max 200 000 documents) or downloaded and installed. The system can import documents in PDF or CSV format and currently supports analysis in 9 languages. The code is open source and there is a plugin API to extend Overview's analysis and visualization capability.

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