Bezemer,J. and Kress.G.(2008) consider the changing roles of image and writing in the representation of knowledge in secondary school English, Science and Mathematics texts published between 1930 and 2005.
20 Newsgroups
Abstract
This data set consists of 20000 messages taken from 20 Usenet newsgroups.
Information files:
description of the data
Data files:
20_newsgroups.tar.gz (17.3M; 61.6M uncompressed)
mini_newsgroups.tar.gz A subset composed of 100 articles from each newsgroup. (1.9M; 6.2M uncompressed)
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