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Text Mining for Search Strategy Development


VOSViewer is a tool for constructing and visualising bibliometric networks based on journals, researchers or individual publications. The text mining functionality allows you to visualise co-occurance of terms extracted from a body of literature and may be useful for developing concepts for a search strategy.
Availability Download or web launch (requires Java support)
Data Source File Import 
Tool Type Visualisation
Features Database agnostic, recommended for developing concepts
Import Formats Supported file types: Web of Science, Scopus, PubMed, RIS, CrossRef JSON files
Export Formats .png (screenshot function)
Known Limitations Recommend exporting from Endnote (RIS) to control the included fields.

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Voyant Tools

Voyant Tools is a web-based text analysis tool with a variety of functions. Search results from databases can be uploaded to the tool to show word frequency, words in phrases and word trending.

Availability Free online, download
Data Source User input
Tool Type Text analysis, visualisation, concordancing
Features Multiple panels and tools to explore the text.
Import Formats HTML, MS Word, MS Excel, ODT, Pages (Apple), PDF, plain text, RTF, XML
Export Formats Export or save URL only
Known Limitations  
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Write Words is phrase frequency counter that allows you to type or paste text into the search box to identify phrases. You are able to check for phrases with up to ten words. The results show the phrases that have been identified and the number of times they appear in the text.
Availability Free online
Data Source User input
Tool Type Phrase identifier
Features Simple copy and paste of text
Import Formats Free text - type, copy and paste
Export Formats Results on screen
Known Limitations Unknown text limitation
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Text Analyser

Text analyser is a beta tool provided by JSTOR Labs. Drag and drop full text articles and the tool will analyse the text and identify the key topics. The identified terms may be useful for inclusion in a search strategy and the, the tool also suggests other relevant articles from JSTOR.
Availability Free online
Data Source User input  (see file types below)
Tool Type Text analysis
Features Drag and drop file input, adjust the importance of terms identified
Import Formats csv, doc, docx, gif, htm, html, jpg, jpeg, json, pdf, png, pptx, rtf, tif (tiff), txt, xlsx
Export Formats View on screen
Known Limitations Links to only to JSTOR content
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