Ontology: amphibanat
  number_of_classes: 700  ## total number of non-obsolete classes (terms) in ontology
  number_of_relations: 2  ## total number of distinct relations defined
  number_of_with_definitions: 456  ## total non-obsolete classes with text definitions
  number_of_without_definitions: 244  ## total non-obsolete classes WITHOUT text definitions
  number_of_violating_univocity: 0  ## total classes violating univocity (having same name as another class)
  number_of_distinct_relations_used: 2  ## all relations used
  number_of_relationships: 697  ## total relations between classes
  number_of_logical_definitions: 0  ## total classes with computable genus-differentia definitions (cross-products)
  number_of_subclass_orphans: 515  ## total non-obsolete classes with missing is_a parent, excluding root node
  number_of_only_children: 8  ## total classes that are the only is_a child of their parent
  number_of_obsoletes: 0  ## total number of obsoleted/retired classes
  number_of_isa_cycles: 0  ## number of cycles in is_a in ontology (should be zero)
  number_of_cycles: 0  ## number of cyclic paths in ontology
  number_of_redundant_relationships: 0  ## number of class to class relations that can be safely removed
  number_of_redundant_subclasses: 0  ## number of subclass/is_a relations that can be removed
  number_of_distinct_idspaces: 2  ## all distict ID short prefixes (eg GO,CL) used in ontology
  number_of_distinct_subsets: 0  ## all distinct subsets (partitions, views, slims) in ontology
  all_distinct_relations_used: [OBO_REL:part_of, is_a] ## all relations used
  all_distinct_idspaces: [AAO, OBO_REL] ## all distict ID short prefixes (eg GO,CL) used in ontology
  all_distinct_subsets: [] ## all distinct subsets (partitions, views, slims) in ontology
  avg_number_of_non_is_a_parents_per_class: 0.733618
  min_number_of_non_is_a_parents_per_class: 0
  max_number_of_non_is_a_parents_per_class: 1
  avg_number_of_is_a_parents_per_class: 0.259259
  min_number_of_is_a_parents_per_class: 0
  max_number_of_is_a_parents_per_class: 1
  avg_number_of_parents_per_class: 0.992877
  min_number_of_parents_per_class: 0
  max_number_of_parents_per_class: 1
  avg_number_of_is_a_children_per_class: 3.60784
  min_number_of_is_a_children_per_class: 1
  max_number_of_is_a_children_per_class: 15
  avg_number_of_all_children_per_class: 0.995726
  min_number_of_all_children_per_class: 0
  max_number_of_all_children_per_class: 35
  avg_number_of_synonyms_per_class: 0.480057
  min_number_of_synonyms_per_class: 0
  max_number_of_synonyms_per_class: 10
  multiple_roots: true