wordfreq/wordfreq_data/google/README.txt
Rob Speer 26c0d7dd28 Add wordfreq_data files.
Now the build process is repeatable from scratch, even if something goes
wrong with the download server.
2013-10-31 13:39:02 -04:00

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This data was compiled from the Google Books Ngram Viewer data, particularly
the 2012 English dataset.
The data is available from https://books.google.com/ngrams. The terms of use of
this data are:
"Ngram Viewer graphs and data may be freely used for any purpose, although
acknowledgement of Google Books Ngram Viewer as the source, and inclusion of a
link to http://books.google.com/ngrams, would be appreciated."