@prefix owl:   <http://www.w3.org/2002/07/owl#> .
@prefix rdf:   <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix odp:   <http://www.ontologydesignpatterns.org/schemas/cpannotationschema.owl#> .
@prefix rdfs:  <http://www.w3.org/2000/01/rdf-schema#> .
@prefix vann:  <http://purl.org/vocab/vann/> .

<http://w3id.org/CEON/ontology/material/Cellulose>
        a                owl:Class ;
        rdfs:comment     "Cellulose is an organic compound with chemical formula (C6H10O5)n." ;
        rdfs:label       "Cellulose" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/Material> .

<http://w3id.org/CEON/ontology/material/Ytterbium>
        a                owl:Class ;
        rdfs:comment     "Yteerbium is a chemical element with the symbol Yb and atomic number 70." ;
        rdfs:label       "Ytterbium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/RareEarthElement> .

<http://w3id.org/CEON/ontology/material/Zinc>
        a                owl:Class ;
        rdfs:comment     "Zinc is a chemical element with the symbol Zn and atomic number 30." ;
        rdfs:label       "Zinc" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/ChemicalElement> .

<http://w3id.org/CEON/ontology/material/reducedChemicalFormula>
        a             owl:DatatypeProperty ;
        rdfs:comment  "reducedChemicalFormula represents that a molecular entity has the reduced chemical formula in a string." ;
        rdfs:label    "reduced chemical formula" ;
        rdfs:seeAlso  "https://w3id.org/mdo/structure/ReducedFormula" .

<http://w3id.org/CEON/ontology/material/>
        a                              owl:Ontology ;
        rdfs:seeAlso                   <https://github.com/LiUSemWeb/CEON> ;
        dcterms:contributor            "Mikael Lindecrantz" , "Eva Blomqvist" , "Robin Keskisärkkä" ;
        dcterms:created                "2025-03-20"^^<http://www.w3.org/2001/XMLSchema#date> ;
        dcterms:creator                "Huanyu Li" ;
        dcterms:description            "The Material module of CEON (Circular Economy Ontology Network)." ;
        dcterms:issued                 "2025-06-30"^^<http://www.w3.org/2001/XMLSchema#date> ;
        dcterms:license                "https://creativecommons.org/licenses/by/4.0/" ;
        dcterms:publisher              "Onto-DESIDE" ;
        dcterms:title                  "Circular Economy Ontology Network (CEON) - Material Module" ;
        vann:preferredNamespacePrefix  "ceon-material" ;
        vann:preferredNamespaceUri     "http://w3id.org/CEON/ontology/material/" ;
        odp:coversRequirements         "In addition to requirements covered by imported ODPs, covers the following requirements from Onto-DESIDE D3.1: CVN-Resource-2, CVN-ResourceType-4, C3-3, E1-3, E2-4, E5-2, T1-1, T10-2." , "In addition to requirements covered by imported ODPs, covers the following requirements from Onto-DESIDE D3.2: CE5-2, C3-3, E1-1, E1-3, E1-11, E1-13, E2-4, E3-2, E3-5, E5-2, E5-4, E5-5, T1-1, T9-2, T10-2, T10-4, T22-2." ;
        owl:imports                    <http://w3id.org/CEON/ontology/resourceODP/0.5/> ;
        owl:priorVersion               0.3 ;
        owl:versionIRI                 <http://w3id.org/CEON/ontology/material/0.4/> ;
        owl:versionInfo                0.4 .

<http://w3id.org/CEON/ontology/material/Scandium>
        a                owl:Class ;
        rdfs:comment     "Scandium is a chemical element with the symbol Sc and atomic number 21." ;
        rdfs:label       "Scandium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/RareEarthElement> .

<http://w3id.org/CEON/ontology/material/hasChemicalEntity>
        a             owl:ObjectProperty ;
        rdfs:comment  "hasChemicalEntity intends to represent that a material can have a collection of chemical entities." ;
        rdfs:domain   <http://w3id.org/CEON/ontology/material/Material> ;
        rdfs:label    "has chemical entity" ;
        rdfs:range    <http://w3id.org/CEON/ontology/material/ChemicalEntity> .

<http://w3id.org/CEON/ontology/material/Dysprosium>
        a                owl:Class ;
        rdfs:comment     "Dysprosium is a chemical element with the symbol Dy and atomic number 66." ;
        rdfs:label       "Dysorisium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/RareEarthElement> .

<http://w3id.org/CEON/ontology/material/Neodymium>
        a                owl:Class ;
        rdfs:comment     "Neodymium is a chemical element with the symbol Nd and atomic number 60." ;
        rdfs:label       "Neodymium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/RareEarthElement> .

<http://w3id.org/CEON/ontology/material/ChemicalSubstance>
        a                owl:Class ;
        rdfs:comment     "A chemical substance is made up of a collection of molecular entities." ;
        rdfs:label       "Chemical Substance" ;
        rdfs:seeAlso     "http://purl.obolibrary.org/obo/chebi#59999" , "http://emmo.info/emmo#EMMO_df96cbb6_b5ee_4222_8eab_b3675df24bea" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/ChemicalEntity> .

<http://w3id.org/CEON/ontology/material/Silicon>
        a                owl:Class ;
        rdfs:comment     "Silicon is a chemical element with the symbol Si and atomic number 14." ;
        rdfs:label       "Silicon" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/ChemicalElement> .

<http://w3id.org/CEON/ontology/material/Copper>
        a                owl:Class ;
        rdfs:comment     "Copper is a chemical element with the symbol Cu and atomic number 29." ;
        rdfs:label       "Copper" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/ChemicalElement> .

<http://w3id.org/CEON/ontology/material/Terbium>
        a                owl:Class ;
        rdfs:comment     "Terbium is a chemical element with the symbol Tb and atomic number 65." ;
        rdfs:label       "Terbium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/RareEarthElement> .

<http://w3id.org/CEON/ontology/material/Niobium>
        a                owl:Class ;
        rdfs:comment     "Niobium is a chemical element with the symbol Nb and atomic number 41." ;
        rdfs:label       "Niobium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/ChemicalElement> .

<http://w3id.org/CEON/ontology/material/Material>
        a                owl:Class ;
        rdfs:comment     "Material as a sub-concept of Matter, can be a substance or a collection of substance which a physical object is composed of." ;
        rdfs:label       "Material" ;
        rdfs:seeAlso     "https://w3id.org/mdo/core/Material" , "http://emmo.info/emmo#EMMO_4207e895_8b83_4318_996a_72cfb32acd94" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/resourceODP/Matter> ;
        rdfs:subClassOf  [ a                   owl:Restriction ;
                           owl:onProperty      <http://w3id.org/CEON/ontology/material/hasChemicalEntity> ;
                           owl:someValuesFrom  <http://w3id.org/CEON/ontology/material/ChemicalEntity>
                         ] .

<http://w3id.org/CEON/ontology/resourceODP/Matter>
        a       owl:Class .

<http://w3id.org/CEON/ontology/material/Boron>
        a                owl:Class ;
        rdfs:comment     "Boron is a chemical element with the symbol B and atomic number 5." ;
        rdfs:label       "Boron" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/ChemicalElement> .

<http://w3id.org/CEON/ontology/material/Europium>
        a                owl:Class ;
        rdfs:comment     "Europium is a chemical element with the symbol Eu and atomic number 63." ;
        rdfs:label       "Europium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/RareEarthElement> .

<http://w3id.org/CEON/ontology/material/ChemicalElement>
        a                owl:Class ;
        rdfs:comment     "A chemical element is a chemical substance whose atoms all have the same number of protons." ;
        rdfs:label       "Chemical Element" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/ChemicalSubstance> .

<http://w3id.org/CEON/ontology/material/Praseodymium>
        a                owl:Class ;
        rdfs:comment     "Praseodymium is a chemical element with the symbol Pr and atomic number 59." ;
        rdfs:label       "Praseodymium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/RareEarthElement> .

<http://w3id.org/CEON/ontology/material/MaterialComponent>
        a                owl:Class ;
        rdfs:comment     "A material component is a part of a material." ;
        rdfs:label       "Material Component" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/resourceODP/Constituent> .

<http://w3id.org/CEON/ontology/material/RareEarthElement>
        a                owl:Class ;
        rdfs:comment     "Rare earth elements is a set of 17 nearly indistinguishable lustrous silvery-white soft heavy metals." ;
        rdfs:label       "Rare Earth Element" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/ChemicalElement> .

<http://w3id.org/CEON/ontology/material/anonymousFormula>
        a             owl:DatatypeProperty ;
        rdfs:comment  "anonymousFormula represents that a molecular entity has the anonymous formula in a string." ;
        rdfs:label    "anonymous formula" ;
        rdfs:seeAlso  "https://w3id.org/mdo/structure/AnonymousFormula" .

<http://w3id.org/CEON/ontology/material/Nickel>
        a                owl:Class ;
        rdfs:comment     "Nickel is a chemical element with the symbol Ni and atomic number 28." ;
        rdfs:label       "Nickel" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/ChemicalElement> .

<http://w3id.org/CEON/ontology/material/Chromium>
        a                owl:Class ;
        rdfs:comment     "Chromium is a chemical element with the symbol Cr and atomic number 24." ;
        rdfs:label       "Chromium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/ChemicalElement> .

<http://w3id.org/CEON/ontology/material/Holmium>
        a                owl:Class ;
        rdfs:comment     "Holmium is a chemical element with the symbol Ho and atomic number 67." ;
        rdfs:label       "Holmium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/RareEarthElement> .

<http://w3id.org/CEON/ontology/material/hillFormula>
        a             owl:DatatypeProperty ;
        rdfs:comment  "hillFormula represents that a composition has the hill formula in a string." ;
        rdfs:label    "hill formula" ;
        rdfs:seeAlso  "https://w3id.org/mdo/structure/HillFormula" .

<http://w3id.org/CEON/ontology/material/Thulium>
        a                owl:Class ;
        rdfs:comment     "Thulium is a chemical element with the symbol Tm and atomic number 69." ;
        rdfs:label       "Thulium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/RareEarthElement> .

<http://w3id.org/CEON/ontology/material/Erbium>
        a                owl:Class ;
        rdfs:comment     "Erbium is a chemical element with the symbol Er and atomic number 68." ;
        rdfs:label       "Erbium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/RareEarthElement> .

<http://w3id.org/CEON/ontology/material/descriptiveFormula>
        a             owl:DatatypeProperty ;
        rdfs:comment  "descriptiveFormula represents that a molecular entity has the descriptive formula in a string." ;
        rdfs:label    "descriptive formula" ;
        rdfs:seeAlso  "https://w3id.org/mdo/structure/DescriptiveFormula" .

<http://w3id.org/CEON/ontology/material/Yttrium>
        a                owl:Class ;
        rdfs:comment     "Yttrium is a chemical element with the symbol Y and atomic number 39." ;
        rdfs:label       "Yttrium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/RareEarthElement> .

<http://w3id.org/CEON/ontology/material/Lanthanum>
        a                owl:Class ;
        rdfs:comment     "Lanthanum is a chemical element with the symbol Lal and atomic number 57." ;
        rdfs:label       "Lanthanum" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/RareEarthElement> .

<http://w3id.org/CEON/ontology/material/Lutetium>
        a                owl:Class ;
        rdfs:comment     "Lutetium is a chemical element with the symbol Lu and atomic number 71." ;
        rdfs:label       "Lutetium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/RareEarthElement> .

<http://w3id.org/CEON/ontology/material/Manganese>
        a                owl:Class ;
        rdfs:comment     "Manganese is a chemical element with the symbol Mn and atomic number 25." ;
        rdfs:label       "Manganese" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/ChemicalElement> .

<http://w3id.org/CEON/ontology/resourceODP/Constituent>
        a       owl:Class .

<http://w3id.org/CEON/ontology/material/Tantalum>
        a                owl:Class ;
        rdfs:comment     "Tantalum is a chemical element with the symbol Ta and atomic number 73." ;
        rdfs:label       "Tantalum" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/RareEarthElement> .

<http://w3id.org/CEON/ontology/material/MolecularEntity>
        a                owl:Class ;
        rdfs:comment     "A molecular entity means a singular/distinguishable entity. It can be for instance, atom, ion." ;
        rdfs:label       "Molecular Entity" ;
        rdfs:seeAlso     "http://purl.obolibrary.org/obo/chebi#23367" , "http://emmo.info/emmo#EMMO_21205421_5783_4d3e_81e5_10c5d894a88a" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/ChemicalEntity> .

<http://w3id.org/CEON/ontology/material/Magnesium>
        a                owl:Class ;
        rdfs:comment     "Magnesium is a chemical element with the symbol Mg and atomic number 12." ;
        rdfs:label       "Magnesium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/ChemicalElement> .

<http://w3id.org/CEON/ontology/material/Samarium>
        a                owl:Class ;
        rdfs:comment     "Samarium is a chemical element with the symbol Sm and atomic number 62." ;
        rdfs:label       "Samarium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/RareEarthElement> .

<http://w3id.org/CEON/ontology/material/Cerium>
        a                owl:Class ;
        rdfs:comment     "Cerium is a chemical element with the symbol Ce and atomic number 58." ;
        rdfs:label       "Cerium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/RareEarthElement> .

<http://w3id.org/CEON/ontology/material/Aluminum>
        a                owl:Class ;
        rdfs:comment     "Aluminum is a chemical element with the symbol Al and atomic number 13." ;
        rdfs:label       "Aluminum" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/ChemicalElement> .

<http://w3id.org/CEON/ontology/material/hasMaterialComponent>
        a             owl:ObjectProperty ;
        rdfs:comment  "hasMaterialComponent intends to represent that a material can have a collection of components." ;
        rdfs:domain   <http://w3id.org/CEON/ontology/material/Material> ;
        rdfs:label    "has material component" ;
        rdfs:range    <http://w3id.org/CEON/ontology/material/MaterialComponent> .

<http://w3id.org/CEON/ontology/material/Promethium>
        a                owl:Class ;
        rdfs:comment     "Promethium is a chemical element with the symbol Pm and atomic number 61." ;
        rdfs:label       "Promethium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/RareEarthElement> .

<http://w3id.org/CEON/ontology/material/ChemicalEntity>
        a                owl:Class ;
        rdfs:comment     "A chemical entity is an abstraction of entities that can compose matter. For instance, a chemical entity can be a molecular entity or a chemical substance." ;
        rdfs:label       "Chemical Entity" ;
        rdfs:seeAlso     "http://purl.obolibrary.org/obo/chebi#24431" , "http://emmo.info/emmo#EMMO_47338839_6cca_4a8e_b565_3c4d5517e2c0" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/resourceODP/Matter> .

<http://w3id.org/CEON/ontology/material/Gadolinium>
        a                owl:Class ;
        rdfs:comment     "Gadolinium is a chemical element with the symbol Gd and atomic number 64." ;
        rdfs:label       "Gadolinium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/RareEarthElement> .

<http://w3id.org/CEON/ontology/material/Titanium>
        a                owl:Class ;
        rdfs:comment     "Titanium is a chemical element with the symbol Ti and atomic number 22." ;
        rdfs:label       "Titanium" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/ChemicalElement> .

<http://w3id.org/CEON/ontology/material/Iron>
        a                owl:Class ;
        rdfs:comment     "Iron is a chemical element with the symbol Fe and atomic number 26." ;
        rdfs:label       "Iron" ;
        rdfs:subClassOf  <http://w3id.org/CEON/ontology/material/ChemicalElement> .