 To our knowledge, this is the first combination of hierarchical structure with hidden structure, which provides a new perspective for finding protein complexes of various strengths and scales .
<meaning-changed>  To our knowledge, this is the first combination of hierarchical structure with hidden structure, which provides a new perspective for finding protein complexes of various strengths and scales .
 To our knowledge, this is the first community detection algorithm that can find a hierarchical structure as well as hidden structure .