Triple

T9668438
Position Surface form Disambiguated ID Type / Status
Subject Kellex Corporation E233764 entity
Predicate notableWork P4 FINISHED
Object K-25 gaseous diffusion plant E168165 NE FINISHED

How this triple was built (2 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: K-25 gaseous diffusion plant | Statement: [Kellex Corporation, notableWork, K-25 gaseous diffusion plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: K-25 gaseous diffusion plant
Context triple: [Kellex Corporation, notableWork, K-25 gaseous diffusion plant]
  • A. Oak Ridge Gaseous Diffusion Plant chosen
    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.
  • 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. 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.
  • D. K-25 Project
    The K-25 Project was a World War II–era Manhattan Project effort to build and operate a massive gaseous diffusion plant for uranium enrichment in Oak Ridge, Tennessee.
  • E. S-50 thermal diffusion plant
    The S-50 thermal diffusion plant was a World War II facility at Oak Ridge used in the Manhattan Project to enrich uranium through thermal diffusion as part of the U.S. atomic bomb program.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca848d3b6c8190ae98ea554dea58df completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cd9c3c06e4819080c1b8e66faa482f completed April 1, 2026, 10:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69d18a208798819088db055e44d288e3 completed April 4, 2026, 10:01 p.m.
Created at: March 30, 2026, 8:15 p.m.