Wmatrix is a software tool for corpus analysis and comparison. It provides a web interface to the English USAS and CLAWS corpus annotation tools, and standard corpus linguistic methodologies such as frequency lists and concordances. It also extends the keywords method to key grammatical categories and key semantic domains.
Wmatrix4 is now running, and existing folders have been transferred across from Wmatrix3 on 16th December 2018. Please now use Wmatrix4 instead of Wmatrix3. Wmatrix3 was retired at 8am GMT/UTC on 20th December 2018.
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