Triple

T1114539

Position	Surface form	Disambiguated ID	Type / Status
Subject	United States nuclear weapons complex	`E11066`	entity
Predicate	includesFacility	`P12416`	FINISHED
Object	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.	`E135646`	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: Portsmouth Gaseous Diffusion Plant (historical) | Statement: [United States nuclear weapons complex, includesFacility, Portsmouth Gaseous Diffusion Plant (historical)]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Portsmouth Gaseous Diffusion Plant (historical)
Context triple: [United States nuclear weapons complex, includesFacility, Portsmouth Gaseous Diffusion Plant (historical)]

A. 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.
B. Pantex Plant
Pantex Plant is a U.S. nuclear weapons facility in Texas responsible for the assembly, disassembly, and maintenance of the nation’s nuclear warheads.
C. Savannah River Site
Savannah River Site is a U.S. Department of Energy nuclear reservation in South Carolina historically used for producing materials for nuclear weapons and now focused on environmental cleanup and nuclear materials management.
D. Oak Ridge Reservation
Oak Ridge Reservation is a large U.S. Department of Energy site in Oak Ridge, Tennessee, historically central to the Manhattan Project and now a major center for nuclear research, environmental management, and national security work.
E. Y-12 National Security Complex
The Y-12 National Security Complex is a U.S. Department of Energy facility central to nuclear weapons production, uranium processing, and national security operations.
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: Portsmouth Gaseous Diffusion Plant (historical)
Triple: [United States nuclear weapons complex, includesFacility, Portsmouth Gaseous Diffusion Plant (historical)]

Generated description

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.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Portsmouth Gaseous Diffusion Plant (historical)
Target entity description: 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.

A. 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.
B. Pantex Plant
Pantex Plant is a U.S. nuclear weapons facility in Texas responsible for the assembly, disassembly, and maintenance of the nation’s nuclear warheads.
C. Savannah River Site
Savannah River Site is a U.S. Department of Energy nuclear reservation in South Carolina historically used for producing materials for nuclear weapons and now focused on environmental cleanup and nuclear materials management.
D. Oak Ridge Reservation
Oak Ridge Reservation is a large U.S. Department of Energy site in Oak Ridge, Tennessee, historically central to the Manhattan Project and now a major center for nuclear research, environmental management, and national security work.
E. Y-12 National Security Complex
The Y-12 National Security Complex is a U.S. Department of Energy facility central to nuclear weapons production, uranium processing, and national security operations.
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_69a493252a648190ac48f8742474a5e8`	completed	March 1, 2026, 7:27 p.m.
NER	Named-entity recognition	`batch_69a4bf0ecd448190affb5c24c3520732`	completed	March 1, 2026, 10:34 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69ac6f0fac0c8190b23a976b495d1701`	completed	March 7, 2026, 6:31 p.m.
NEDg	Description generation	`batch_69ac6fea11408190b84d9fc54d4c4917`	completed	March 7, 2026, 6:35 p.m.
NED2	Entity disambiguation (via description)	`batch_69ac70592c5c8190a1f86378ec5f70a9`	completed	March 7, 2026, 6:37 p.m.

Created at: March 1, 2026, 7:43 p.m.