Triple

T6086338
Position Surface form Disambiguated ID Type / Status
Subject Portsmouth Gaseous Diffusion Plant E135646 entity
Predicate successorFacility P23584 FINISHED
Object American Centrifuge Plant (planned)
The American Centrifuge Plant (planned) is a proposed U.S. uranium enrichment facility intended to replace older gaseous diffusion technology with more efficient gas centrifuge methods.
E566446 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: American Centrifuge Plant (planned) | Statement: [Portsmouth Gaseous Diffusion Plant, successorFacility, American Centrifuge Plant (planned)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: American Centrifuge Plant (planned)
Context triple: [Portsmouth Gaseous Diffusion Plant, successorFacility, American Centrifuge Plant (planned)]
  • A. Fernald uranium plant
    The Fernald uranium plant was a U.S. Department of Energy facility near Cincinnati, Ohio, that processed uranium for nuclear weapons production and later became a major environmental cleanup site.
  • B. Paducah Gaseous Diffusion Plant
    The Paducah Gaseous Diffusion Plant is a former U.S. Department of Energy uranium enrichment facility in western Kentucky that played a major role in producing enriched uranium for nuclear power and defense.
  • C. Oak Ridge Gaseous Diffusion Plant
    The Oak Ridge Gaseous Diffusion Plant was a major U.S. uranium enrichment facility in Oak Ridge, Tennessee, built during the Manhattan Project and later used for Cold War nuclear fuel production.
  • D. Portsmouth Gaseous Diffusion Plant (historical)
    The Portsmouth Gaseous Diffusion Plant was a major U.S. uranium enrichment facility in Ohio that played a key role in producing enriched uranium for nuclear weapons and commercial nuclear power during the Cold War.
  • E. Comanche Peak Nuclear Power Plant
    Comanche Peak Nuclear Power Plant is a commercial nuclear power generating facility in North Texas that supplies electricity to the region and is one of the state’s major nuclear power stations.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: American Centrifuge Plant (planned)
Triple: [Portsmouth Gaseous Diffusion Plant, successorFacility, American Centrifuge Plant (planned)]
Generated description
The American Centrifuge Plant (planned) is a proposed U.S. uranium enrichment facility intended to replace older gaseous diffusion technology with more efficient gas centrifuge methods.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: American Centrifuge Plant (planned)
Target entity description: The American Centrifuge Plant (planned) is a proposed U.S. uranium enrichment facility intended to replace older gaseous diffusion technology with more efficient gas centrifuge methods.
  • A. Fernald uranium plant
    The Fernald uranium plant was a U.S. Department of Energy facility near Cincinnati, Ohio, that processed uranium for nuclear weapons production and later became a major environmental cleanup site.
  • B. Paducah Gaseous Diffusion Plant
    The Paducah Gaseous Diffusion Plant is a former U.S. Department of Energy uranium enrichment facility in western Kentucky that played a major role in producing enriched uranium for nuclear power and defense.
  • C. Oak Ridge Gaseous Diffusion Plant
    The Oak Ridge Gaseous Diffusion Plant was a major U.S. uranium enrichment facility in Oak Ridge, Tennessee, built during the Manhattan Project and later used for Cold War nuclear fuel production.
  • D. Portsmouth Gaseous Diffusion Plant (historical)
    The Portsmouth Gaseous Diffusion Plant was a major U.S. uranium enrichment facility in Ohio that played a key role in producing enriched uranium for nuclear weapons and commercial nuclear power during the Cold War.
  • E. Comanche Peak Nuclear Power Plant
    Comanche Peak Nuclear Power Plant is a commercial nuclear power generating facility in North Texas that supplies electricity to the region and is one of the state’s major nuclear power stations.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69c0087bcc788190b20f093d3a6c60ec completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c0578a8b8081908490e447ae3419f9 completed March 22, 2026, 8:56 p.m.
NED1 Entity disambiguation (via context triple) batch_69c11d60e824819098a9f5fc5cc00be4 completed March 23, 2026, 11 a.m.
NEDg Description generation batch_69c11e4454948190a8f4643cb55e673a completed March 23, 2026, 11:04 a.m.
NED2 Entity disambiguation (via description) batch_69c11ec554688190bfe184608944a15e completed March 23, 2026, 11:06 a.m.
Created at: March 22, 2026, 4:12 p.m.