SIGHAN REPORT 2005 4th SIGHAN Workshop 14-15 Oct 2005, Jeju, with IJCNLP-05 22 submissions, accepted 10 regular papers and 6 posters 2nd Bakeoff Summer 2005 Word segmentation 36 groups signed up, 23 groups submitted results 2006 5th SIGHAN Workshop 22-23 July 2006, Sydney, with COLING/ACL 2006 24 submissions, accepted 8 regular papers and 6 posters 3rd Bakeoff Spring 2006 Word segmentation and named entity recognition 36 groups signed up, 29 groups submitted results