Previous work on evaluating real-word spelling correction (Hirst and Budanitsky, 2005;Wilcox-OHearn et al., 2008;Islam and Inkpen, 2009) used a dataset sampled from the Wall Street Journal corpus which is not freely available.
we created a comparable English dataset of 1,000 artificial errors based on the easily available Brown corpus (Francis W. Nelson and Kuçera, 1964).