Tools/Resources for NLP Projects at Sheffield

• Stemmers
  • Porter stemmer
  • Paice/Husk stemmer
• Taggers
  • Simple NVX tagger, in perl
• Text Categorisation
  • Reuters 21578 collection
  • Preprocessing / topic splitting script (perl) for Reuters collection
• Document frequencies
  • Document frequency counts for BNC Section A
  • Document frequency counts for BNC Section A, with porter stemming
• Dot Plotting
  • MRH dot plotting script
• Corpora
  • Penn Treebank III
  • BNC
  • ? METER corpus
  • Reuters 21578 collection
  • Project Gutenberg - good source of texts
    • Main homepage
    • UK ftp mirror
  • ?? sources for essays/articles in (or nearly in) plain text, for summarisation
• Some good collections / link pages
  • Mary Taffet's link page