SWEET Ontology
type: Ontology
version info: 2.3
imports: phenEcology.owl
imports: matrCompound.owl
imports: phenSystem.owl
imports: rela.owl
imports: relaChemical.owl
imports: reprMathGraph.owl
imports: matrElement.owl

MaterialCycle
type: Class
subclass of: Cycle
subclass of: Restriction
  on property: hasSubstance
  cardinality: 1