<https://aaai.org/papers/ismb97-018-finding-common-sequence-and-structure-motifsin-a-set-of-rna-sequences/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://aaai.org/papers/ismb97-018-finding-common-sequence-and-structure-motifsin-a-set-of-rna-sequences/>