@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix matsci: <https://w3id.org/matsci-sam/metadata#> .

<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell> a prov:Entity ;
  rdfs:label "fuel cell" ;
  <https://w3id.org/matsci-sam/metadata#created> "2025-07-30 00:57:31.311524" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/1> a prov:Entity, matsci:Definition ;
  rdfs:label "Definition 1" ;
  <https://w3id.org/matsci-sam/metadata#definitionNumber> "1" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/2> a prov:Entity, matsci:Definition ;
  rdfs:label "Definition 2" ;
  <https://w3id.org/matsci-sam/metadata#definitionNumber> "2" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/3> a prov:Entity, matsci:Definition ;
  rdfs:label "Definition 3" ;
  <https://w3id.org/matsci-sam/metadata#definitionNumber> "3" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/1/revisions/1> a prov:Entity, matsci:DefinitionRevision ;
  rdfs:label "Definition 1 · revision 1 (current)" ;
  prov:value "A device that converts chemical energy into electrical energy" ;
  <https://w3id.org/matsci-sam/metadata#definitionNumber> "1" ;
  <https://w3id.org/matsci-sam/metadata#version> "1" ;
  <https://w3id.org/matsci-sam/metadata#published> "2025-07-30 00:57:31.311524+00" ;
  <https://w3id.org/matsci-sam/metadata#source> "initial" ;
  <https://w3id.org/matsci-sam/metadata#score> "1" ;
  <https://w3id.org/matsci-sam/metadata#current> "yes" ;
  <https://w3id.org/matsci-sam/metadata#legacyIncomplete> "no" ;
  <https://w3id.org/matsci-sam/metadata#example> "Fuel cell vehicles use nitrogen to power electric motors" ;
  <https://w3id.org/matsci-sam/metadata#editor> "Colton Gerber" ;
  <https://w3id.org/matsci-sam/metadata#changeNote> "Initial contribution" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#act_revision_12> a prov:Activity ;
  rdfs:label "Write definition" ;
  <https://w3id.org/matsci-sam/metadata#at> "2025-07-30 00:57:31.311524+00" ;
  <https://w3id.org/matsci-sam/metadata#source> "initial" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#user_7> a prov:Person ;
  rdfs:label "Colton Gerber" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/2/revisions/1> a prov:Entity, matsci:DefinitionRevision ;
  rdfs:label "Definition 2 · revision 1 (current)" ;
  prov:value "A material exhibiting uniform properties in all directions and throughout its volume." ;
  <https://w3id.org/matsci-sam/metadata#definitionNumber> "2" ;
  <https://w3id.org/matsci-sam/metadata#version> "1" ;
  <https://w3id.org/matsci-sam/metadata#published> "2025-08-06 20:52:04.364664+00" ;
  <https://w3id.org/matsci-sam/metadata#source> "ai_generation" ;
  <https://w3id.org/matsci-sam/metadata#score> "0" ;
  <https://w3id.org/matsci-sam/metadata#current> "yes" ;
  <https://w3id.org/matsci-sam/metadata#legacyIncomplete> "no" ;
  <https://w3id.org/matsci-sam/metadata#example> "Quartz is a crystalline solid, demonstrating consistent hardness and refractive index across its structure." ;
  <https://w3id.org/matsci-sam/metadata#editor> "MatBot Gemma 3" ;
  <https://w3id.org/matsci-sam/metadata#changeNote> "AI-generated definition" ;
  <https://w3id.org/matsci-sam/metadata#model> "gemma3" ;
  <https://w3id.org/matsci-sam/metadata#prompt> "You are to define material science terms. Keep definitions concise and don't be conversational, just respond with a definition and an example using the term with the given definition." .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#act_revision_19> a prov:Activity ;
  rdfs:label "Generate definition" ;
  <https://w3id.org/matsci-sam/metadata#at> "2025-08-06 20:52:04.364664+00" ;
  <https://w3id.org/matsci-sam/metadata#source> "ai_generation" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#model_gemma3> a prov:SoftwareAgent ;
  rdfs:label "gemma3" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#prompt_revision_19> a prov:Entity ;
  rdfs:label "Stored prompt for definition 2 · revision 1" ;
  prov:value "You are to define material science terms. Keep definitions concise and don't be conversational, just respond with a definition and an example using the term with the given definition." .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/3/revisions/1> a prov:Entity, matsci:DefinitionRevision ;
  rdfs:label "Definition 3 · revision 1 (current)" ;
  prov:value "a cell that has fule in it" ;
  <https://w3id.org/matsci-sam/metadata#definitionNumber> "3" ;
  <https://w3id.org/matsci-sam/metadata#version> "1" ;
  <https://w3id.org/matsci-sam/metadata#published> "2026-07-20 14:15:26.901956+00" ;
  <https://w3id.org/matsci-sam/metadata#source> "initial" ;
  <https://w3id.org/matsci-sam/metadata#score> "0" ;
  <https://w3id.org/matsci-sam/metadata#current> "yes" ;
  <https://w3id.org/matsci-sam/metadata#legacyIncomplete> "no" ;
  <https://w3id.org/matsci-sam/metadata#example> "I like the fuel cell" ;
  <https://w3id.org/matsci-sam/metadata#editor> "Christopher Rauch" ;
  <https://w3id.org/matsci-sam/metadata#changeNote> "Initial contribution" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#act_revision_76> a prov:Activity ;
  rdfs:label "Write definition" ;
  <https://w3id.org/matsci-sam/metadata#at> "2026-07-20 14:15:26.901956+00" ;
  <https://w3id.org/matsci-sam/metadata#source> "initial" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#user_81> a prov:Person ;
  rdfs:label "Christopher Rauch" .
_:example_22b9edfba2d5fe01_1_1 a prov:Entity ;
  rdfs:label "Definition 1 · example 1" ;
  prov:value "Fuel cell vehicles use nitrogen to power electric motors" ;
  <https://w3id.org/matsci-sam/metadata#definitionNumber> "1" ;
  <https://w3id.org/matsci-sam/metadata#exampleNumber> "1" ;
  <https://w3id.org/matsci-sam/metadata#legacyBackfill> "yes" ;
  <https://w3id.org/matsci-sam/metadata#origin> "Imported legacy example; exact source, actor, and time were not recorded" .
_:publishExample_22b9edfba2d5fe01_1_1 a prov:Activity ;
  rdfs:label "Import legacy example" ;
  <https://w3id.org/matsci-sam/metadata#legacyBackfill> "yes" ;
  <https://w3id.org/matsci-sam/metadata#origin> "Legacy import; publication time was not recorded" .
_:example_22b9edfba2d5fe01_2_1 a prov:Entity ;
  rdfs:label "Definition 2 · example 1" ;
  prov:value "Quartz is a crystalline solid, demonstrating consistent hardness and refractive index across its structure." ;
  <https://w3id.org/matsci-sam/metadata#definitionNumber> "2" ;
  <https://w3id.org/matsci-sam/metadata#exampleNumber> "1" ;
  <https://w3id.org/matsci-sam/metadata#legacyBackfill> "yes" ;
  <https://w3id.org/matsci-sam/metadata#origin> "Imported legacy example; exact source, actor, and time were not recorded" .
_:publishExample_22b9edfba2d5fe01_2_1 a prov:Activity ;
  rdfs:label "Import legacy example" ;
  <https://w3id.org/matsci-sam/metadata#legacyBackfill> "yes" ;
  <https://w3id.org/matsci-sam/metadata#origin> "Legacy import; publication time was not recorded" .
_:example_22b9edfba2d5fe01_3_1 a prov:Entity ;
  rdfs:label "Definition 3 · example 1" ;
  prov:value "I like the fuel cell" ;
  <https://w3id.org/matsci-sam/metadata#definitionNumber> "3" ;
  <https://w3id.org/matsci-sam/metadata#exampleNumber> "1" ;
  <https://w3id.org/matsci-sam/metadata#legacyBackfill> "yes" ;
  <https://w3id.org/matsci-sam/metadata#origin> "Imported legacy example; exact source, actor, and time were not recorded" .
_:publishExample_22b9edfba2d5fe01_3_1 a prov:Activity ;
  rdfs:label "Import legacy example" ;
  <https://w3id.org/matsci-sam/metadata#legacyBackfill> "yes" ;
  <https://w3id.org/matsci-sam/metadata#origin> "Legacy import; publication time was not recorded" .
_:featureExample_22b9edfba2d5fe01_1_1 a prov:Activity ;
  rdfs:label "Import featured state for example 1" ;
  <https://w3id.org/matsci-sam/metadata#decision> "import legacy featured state" ;
  <https://w3id.org/matsci-sam/metadata#legacyBackfill> "yes" ;
  <https://w3id.org/matsci-sam/metadata#origin> "Selector and selection time were not recorded" .
_:featuredExample_22b9edfba2d5fe01_1_1 a prov:Entity ;
  rdfs:label "Featured example 1" ;
  <https://w3id.org/matsci-sam/metadata#definitionNumber> "1" ;
  <https://w3id.org/matsci-sam/metadata#exampleNumber> "1" ;
  <https://w3id.org/matsci-sam/metadata#state> "active" ;
  <https://w3id.org/matsci-sam/metadata#legacyBackfill> "yes" ;
  <https://w3id.org/matsci-sam/metadata#origin> "Selection time was not recorded" .
_:featureExample_22b9edfba2d5fe01_2_2 a prov:Activity ;
  rdfs:label "Import featured state for example 1" ;
  <https://w3id.org/matsci-sam/metadata#decision> "import legacy featured state" ;
  <https://w3id.org/matsci-sam/metadata#legacyBackfill> "yes" ;
  <https://w3id.org/matsci-sam/metadata#origin> "Selector and selection time were not recorded" .
_:featuredExample_22b9edfba2d5fe01_2_2 a prov:Entity ;
  rdfs:label "Featured example 1" ;
  <https://w3id.org/matsci-sam/metadata#definitionNumber> "2" ;
  <https://w3id.org/matsci-sam/metadata#exampleNumber> "1" ;
  <https://w3id.org/matsci-sam/metadata#state> "active" ;
  <https://w3id.org/matsci-sam/metadata#legacyBackfill> "yes" ;
  <https://w3id.org/matsci-sam/metadata#origin> "Selection time was not recorded" .
_:featureExample_22b9edfba2d5fe01_3_3 a prov:Activity ;
  rdfs:label "Import featured state for example 1" ;
  <https://w3id.org/matsci-sam/metadata#decision> "import legacy featured state" ;
  <https://w3id.org/matsci-sam/metadata#legacyBackfill> "yes" ;
  <https://w3id.org/matsci-sam/metadata#origin> "Selector and selection time were not recorded" .
_:featuredExample_22b9edfba2d5fe01_3_3 a prov:Entity ;
  rdfs:label "Featured example 1" ;
  <https://w3id.org/matsci-sam/metadata#definitionNumber> "3" ;
  <https://w3id.org/matsci-sam/metadata#exampleNumber> "1" ;
  <https://w3id.org/matsci-sam/metadata#state> "active" ;
  <https://w3id.org/matsci-sam/metadata#legacyBackfill> "yes" ;
  <https://w3id.org/matsci-sam/metadata#origin> "Selection time was not recorded" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#comment_35> a prov:Entity ;
  rdfs:label "Comment by Gordon Peiker" ;
  prov:value "A bit vague " ;
  <https://w3id.org/matsci-sam/metadata#actorKind> "human" ;
  <https://w3id.org/matsci-sam/metadata#legacyAssociationInferred> "yes" ;
  <https://w3id.org/matsci-sam/metadata#version> "1" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#user_41> a prov:Person ;
  rdfs:label "Gordon Peiker" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#comment_38> a prov:Entity ;
  rdfs:label "Comment by Mingwei Li" ;
  prov:value "The human definition is waaaaay better" ;
  <https://w3id.org/matsci-sam/metadata#actorKind> "human" ;
  <https://w3id.org/matsci-sam/metadata#legacyAssociationInferred> "yes" ;
  <https://w3id.org/matsci-sam/metadata#version> "1" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#user_22> a prov:Person ;
  rdfs:label "Mingwei Li" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#comment_41> a prov:Entity ;
  rdfs:label "Comment by Danielle Veigel" ;
  prov:value "Given that fuel cells typically have an anode and cathode of different materials, this version is incorrect." ;
  <https://w3id.org/matsci-sam/metadata#actorKind> "human" ;
  <https://w3id.org/matsci-sam/metadata#legacyAssociationInferred> "yes" ;
  <https://w3id.org/matsci-sam/metadata#version> "1" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#user_35> a prov:Person ;
  rdfs:label "Danielle Veigel" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#anonymous_vote_1> a prov:Activity ;
  rdfs:label "Upvote on definition 1 · revision 1" ;
  <https://w3id.org/matsci-sam/metadata#at> "2025-07-30 00:57:31.311524+00" ;
  <https://w3id.org/matsci-sam/metadata#actorKind> "human" ;
  <https://w3id.org/matsci-sam/metadata#legacyAssociationInferred> "yes" ;
  <https://w3id.org/matsci-sam/metadata#backfilled> "yes" .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/1/revisions/1> prov:specializationOf <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/1> .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/2/revisions/1> prov:specializationOf <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/2> .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/3/revisions/1> prov:specializationOf <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/3> .

<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/1/revisions/1> prov:wasDerivedFrom <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell> .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/1/revisions/1> prov:wasGeneratedBy <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#act_revision_12> .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#act_revision_12> prov:wasAssociatedWith <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#user_7> .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/1/revisions/1> prov:wasAttributedTo <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#user_7> .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/2/revisions/1> prov:wasDerivedFrom <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell> .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/2/revisions/1> prov:wasGeneratedBy <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#act_revision_19> .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#act_revision_19> prov:wasAssociatedWith <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#model_gemma3> .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/2/revisions/1> prov:wasAttributedTo <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#model_gemma3> .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#act_revision_19> prov:used <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#prompt_revision_19> .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/3/revisions/1> prov:wasDerivedFrom <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell> .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/3/revisions/1> prov:wasGeneratedBy <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#act_revision_76> .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#act_revision_76> prov:wasAssociatedWith <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#user_81> .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/3/revisions/1> prov:wasAttributedTo <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#user_81> .
_:example_22b9edfba2d5fe01_1_1 prov:wasGeneratedBy _:publishExample_22b9edfba2d5fe01_1_1 .
_:publishExample_22b9edfba2d5fe01_1_1 prov:used <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/1> .
_:example_22b9edfba2d5fe01_2_1 prov:wasGeneratedBy _:publishExample_22b9edfba2d5fe01_2_1 .
_:publishExample_22b9edfba2d5fe01_2_1 prov:used <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/2> .
_:example_22b9edfba2d5fe01_3_1 prov:wasGeneratedBy _:publishExample_22b9edfba2d5fe01_3_1 .
_:publishExample_22b9edfba2d5fe01_3_1 prov:used <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/3> .
_:featureExample_22b9edfba2d5fe01_1_1 prov:used _:example_22b9edfba2d5fe01_1_1 .
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_:featuredExample_22b9edfba2d5fe01_1_1 prov:wasGeneratedBy _:featureExample_22b9edfba2d5fe01_1_1 .
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_:featureExample_22b9edfba2d5fe01_2_2 prov:used _:example_22b9edfba2d5fe01_2_1 .
_:featureExample_22b9edfba2d5fe01_2_2 prov:used <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/2> .
_:featuredExample_22b9edfba2d5fe01_2_2 prov:wasGeneratedBy _:featureExample_22b9edfba2d5fe01_2_2 .
_:featuredExample_22b9edfba2d5fe01_2_2 prov:wasDerivedFrom _:example_22b9edfba2d5fe01_2_1 .
_:featureExample_22b9edfba2d5fe01_3_3 prov:used _:example_22b9edfba2d5fe01_3_1 .
_:featureExample_22b9edfba2d5fe01_3_3 prov:used <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/3> .
_:featuredExample_22b9edfba2d5fe01_3_3 prov:wasGeneratedBy _:featureExample_22b9edfba2d5fe01_3_3 .
_:featuredExample_22b9edfba2d5fe01_3_3 prov:wasDerivedFrom _:example_22b9edfba2d5fe01_3_1 .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#comment_35> prov:wasAttributedTo <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#user_41> .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#comment_35> prov:wasDerivedFrom <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/2/revisions/1> .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#comment_38> prov:wasAttributedTo <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#user_22> .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#comment_38> prov:wasDerivedFrom <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/definitions/2/revisions/1> .
<https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#comment_41> prov:wasAttributedTo <https://w3id.org/matsci-sam/vocabulary/id4/fuel_cell/provenance#user_35> .
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