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. 2014 Jun 11;30(12):i157–i164. doi: 10.1093/bioinformatics/btu275

Fig. 1.

Fig. 1.

The metabolite identification framework through MKL. First, we construct the fragmentation tree from the MS/MS spectrum. Second, we compute kernels for both MS/MS data and fragmentation trees. Third, MKL is used to combine kernels and predict molecular fingerprints. Finally, fingerprints are used for molecular structure database retrieval