Figure 1.

Gene identification as a tagging problem. A sample tagging of a sentence using the beginning, inside and outside tag labels. The sentence has two gene mentions, Varicella-zoster virus (VZV) glycoprotein gI and type 1 transmembrane gylcoprotein.

McDonald and Pereira BMC Bioinformatics 2005 6(Suppl 1):S6   doi:10.1186/1471-2105-6-S1-S6