Example of a multiple sentence alignment to identify consensus patterns. Here, five patterns extracted from the corpus define one consensus pattern (bottom). Three layers are used in this example: tokens, stems, and part-of-speech (POS) tags. The weights represent the overall distributions per positions.
Hakenberg et al. Genome Biology 2008 9(Suppl 2):S14 doi:10.1186/gb-2008-9-s2-s14