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. 2005 Aug 12;33(14):4563–4577. doi: 10.1093/nar/gki767

Figure 2.

Figure 2

High-level diagram of the Typhon algorithm for indexing a multiple alignment. The overall flow of Typhon consists of three main algorithmic components; above, data is shown in ovals and methods are shown in rectangles. Given a tree and query, the multiple alignment is first converted into a probabilistic profile. Then, the profile is decoded recursively using a simple Hidden Markov Model. Finally, the regions are assigned a set of seeds to index.