@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/mrc/sintering> a prov:Entity ;
  rdfs:label "sintering" ;
  <https://w3id.org/matsci-sam/metadata#created> "2026-07-20 10:09:19.136006" .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/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/mrc/sintering/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/mrc/sintering/definitions/1/revisions/1> a prov:Entity, matsci:DefinitionRevision ;
  rdfs:label "Definition 1 · revision 1 (current)" ;
  prov:value "A process where powder is heated so the particles stick together and form a solid piece." ;
  <https://w3id.org/matsci-sam/metadata#definitionNumber> "1" ;
  <https://w3id.org/matsci-sam/metadata#version> "1" ;
  <https://w3id.org/matsci-sam/metadata#published> "2026-07-20 14:09:19.136006+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> "Ceramic mugs are made by sintering clay powder in a kiln." ;
  <https://w3id.org/matsci-sam/metadata#editor> "Christopher Rauch" ;
  <https://w3id.org/matsci-sam/metadata#changeNote> "Initial contribution" .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#act_revision_75> a prov:Activity ;
  rdfs:label "Write definition" ;
  <https://w3id.org/matsci-sam/metadata#at> "2026-07-20 14:09:19.136006+00" ;
  <https://w3id.org/matsci-sam/metadata#source> "initial" .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#user_81> a prov:Person ;
  rdfs:label "Christopher Rauch" .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/2/revisions/1> a prov:Entity, matsci:DefinitionRevision ;
  rdfs:label "Definition 2 · revision 1 (current)" ;
  prov:value "A thermal process, applicable to both metals and ceramics, in which a powder compact is heated to temperatures below its melting point; this induces atomic diffusion across particle boundaries to reduce surface energy, resulting in neck formation, grain growth, and densification." ;
  <https://w3id.org/matsci-sam/metadata#definitionNumber> "2" ;
  <https://w3id.org/matsci-sam/metadata#version> "1" ;
  <https://w3id.org/matsci-sam/metadata#published> "2026-07-20 17:21:20.378633+00" ;
  <https://w3id.org/matsci-sam/metadata#source> "ai_refinement" ;
  <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> "The manufacturing of advanced alumina ceramics involves sintering a green body in a high-temperature kiln to achieve near-theoretical density and eliminate residual porosity." ;
  <https://w3id.org/matsci-sam/metadata#editor> "Christopher Rauch" ;
  <https://w3id.org/matsci-sam/metadata#changeNote> "Accepted AI-assisted revision" ;
  <https://w3id.org/matsci-sam/metadata#model> "gemma4:26b" ;
  <https://w3id.org/matsci-sam/metadata#prompt> "You are a materials science editor reviewing a user's draft definition of a term. Improve the draft: keep the user's intent and any correct content, but make the definition precise, concise, and consistent with how the term is used in the materials science literature. Correct factual errors. Return a revised definition and one example sentence using the term; improve the user's example if it is weak, or keep its substance if it is good. If the user gives feedback on your previous suggestion, revise your suggestion to address that feedback while keeping the definition technically accurate." .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#act_revision_77> a prov:Activity ;
  rdfs:label "Accept AI suggestion" ;
  <https://w3id.org/matsci-sam/metadata#at> "2026-07-20 17:21:20.378633+00" ;
  <https://w3id.org/matsci-sam/metadata#source> "ai_refinement" .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#model_gemma4%3A26b> a prov:SoftwareAgent ;
  rdfs:label "gemma4:26b" .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#prompt_revision_77> a prov:Entity ;
  rdfs:label "Stored prompt for definition 2 · revision 1" ;
  prov:value "You are a materials science editor reviewing a user's draft definition of a term. Improve the draft: keep the user's intent and any correct content, but make the definition precise, concise, and consistent with how the term is used in the materials science literature. Correct factual errors. Return a revised definition and one example sentence using the term; improve the user's example if it is weak, or keep its substance if it is good. If the user gives feedback on your previous suggestion, revise your suggestion to address that feedback while keeping the definition technically accurate." .
_:example_fc504bb72af1f314_1_1 a prov:Entity ;
  rdfs:label "Definition 1 · example 1" ;
  prov:value "Ceramic mugs are made by sintering clay powder in a kiln." ;
  <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_fc504bb72af1f314_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_fc504bb72af1f314_2_1 a prov:Entity ;
  rdfs:label "Definition 2 · example 1" ;
  prov:value "The manufacturing of advanced alumina ceramics involves sintering a green body in a high-temperature kiln to achieve near-theoretical density and eliminate residual porosity." ;
  <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_fc504bb72af1f314_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" .
_:featureExample_fc504bb72af1f314_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_fc504bb72af1f314_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_fc504bb72af1f314_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_fc504bb72af1f314_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" .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#act_refine_8> a prov:Activity ;
  rdfs:label "Refine definition (round 2)" ;
  <https://w3id.org/matsci-sam/metadata#at> "2026-07-20 14:09:43.563694+00" ;
  <https://w3id.org/matsci-sam/metadata#model> "gemma4:26b" ;
  <https://w3id.org/matsci-sam/metadata#status> "accepted" .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#prompt_c6cf56cb021e9916> a prov:Entity ;
  rdfs:label "prompt: refine" ;
  prov:value "You are a materials science editor reviewing a user's draft definition of a term. Improve the draft: keep the user's intent and any correct content, but make the definition precise, concise, and consistent with how the term is used in the materials science literature. Correct factual errors. Return a revised definition and one example sentence using the term; improve the user's example if it is weak, or keep its substance if it is good. If the user gives feedback on your previous suggestion, revise your suggestion to address that feedback while keeping the definition technically accurate." ;
  <https://w3id.org/matsci-sam/metadata#hash> "c6cf56cb021e9916" ;
  <https://w3id.org/matsci-sam/metadata#promptKey> "refine" .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#refine_feedback_8> a prov:Entity ;
  rdfs:label "Refine feedback (round 2)" ;
  prov:value "State that sintering happens below the melting point and that densification occurs by atomic diffusion across particle boundaries. Mention that it applies to metals and ceramics as well." .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#refine_sug_8> a prov:Entity ;
  rdfs:label "Suggestion (round 2)" ;
  prov:value "A thermal process, applicable to both metals and ceramics, in which a powder compact is heated to temperatures below its melting point; this induces atomic diffusion across particle boundaries to reduce surface energy, resulting in neck formation, grain growth, and densification." ;
  <https://w3id.org/matsci-sam/metadata#example> "The manufacturing of advanced alumina ceramics involves sintering a green body in a high-temperature kiln to achieve near-theoretical density and eliminate residual porosity." .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#comment_48> a prov:Entity ;
  rdfs:label "Comment by Christopher Rauch" ;
  prov:value "be more specific about neck formation" ;
  <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/mrc/sintering/provenance#anonymous_vote_1> a prov:Activity ;
  rdfs:label "Downvote on definition 1 · revision 1" ;
  <https://w3id.org/matsci-sam/metadata#at> "2026-07-20 19:38:17.893154+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/mrc/sintering/definitions/1/revisions/1> prov:specializationOf <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/1> .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/2/revisions/1> prov:specializationOf <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/2> .

<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/1/revisions/1> prov:wasDerivedFrom <https://w3id.org/matsci-sam/vocabulary/mrc/sintering> .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/1/revisions/1> prov:wasGeneratedBy <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#act_revision_75> .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#act_revision_75> prov:wasAssociatedWith <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#user_81> .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/1/revisions/1> prov:wasAttributedTo <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#user_81> .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/2/revisions/1> prov:wasDerivedFrom <https://w3id.org/matsci-sam/vocabulary/mrc/sintering> .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/2/revisions/1> prov:wasGeneratedBy <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#act_revision_77> .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#act_revision_77> prov:wasAssociatedWith <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#user_81> .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/2/revisions/1> prov:wasAttributedTo <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#user_81> .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/2/revisions/1> prov:wasAttributedTo <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#model_gemma4%3A26b> .
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_:example_fc504bb72af1f314_1_1 prov:wasGeneratedBy _:publishExample_fc504bb72af1f314_1_1 .
_:publishExample_fc504bb72af1f314_1_1 prov:used <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/1> .
_:example_fc504bb72af1f314_2_1 prov:wasGeneratedBy _:publishExample_fc504bb72af1f314_2_1 .
_:publishExample_fc504bb72af1f314_2_1 prov:used <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/2> .
_:featureExample_fc504bb72af1f314_1_1 prov:used _:example_fc504bb72af1f314_1_1 .
_:featureExample_fc504bb72af1f314_1_1 prov:used <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/1> .
_:featuredExample_fc504bb72af1f314_1_1 prov:wasGeneratedBy _:featureExample_fc504bb72af1f314_1_1 .
_:featuredExample_fc504bb72af1f314_1_1 prov:wasDerivedFrom _:example_fc504bb72af1f314_1_1 .
_:featureExample_fc504bb72af1f314_2_2 prov:used _:example_fc504bb72af1f314_2_1 .
_:featureExample_fc504bb72af1f314_2_2 prov:used <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/2> .
_:featuredExample_fc504bb72af1f314_2_2 prov:wasGeneratedBy _:featureExample_fc504bb72af1f314_2_2 .
_:featuredExample_fc504bb72af1f314_2_2 prov:wasDerivedFrom _:example_fc504bb72af1f314_2_1 .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#act_refine_8> prov:wasAssociatedWith <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#user_81> .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#act_refine_8> prov:wasAssociatedWith <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#model_gemma4%3A26b> .
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<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#act_refine_8> prov:used <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/1/revisions/1> .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#refine_feedback_8> prov:wasAttributedTo <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#user_81> .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#act_refine_8> prov:used <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#refine_feedback_8> .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#refine_sug_8> prov:wasGeneratedBy <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#act_refine_8> .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#refine_sug_8> prov:wasAttributedTo <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#model_gemma4%3A26b> .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/2/revisions/1> prov:wasDerivedFrom <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#refine_sug_8> .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/2/revisions/1> prov:wasDerivedFrom <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/1/revisions/1> .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#comment_48> prov:wasAttributedTo <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#user_81> .
<https://w3id.org/matsci-sam/vocabulary/mrc/sintering/provenance#comment_48> prov:wasDerivedFrom <https://w3id.org/matsci-sam/vocabulary/mrc/sintering/definitions/2/revisions/1> .
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