Triple

T1114543
Position Surface form Disambiguated ID Type / Status
Subject United States nuclear weapons complex E11066 entity
Predicate includesFacility P12416 FINISHED
Object Fernald Feed Materials Production Center (historical)
The Fernald Feed Materials Production Center was a Cold War–era U.S. Department of Energy facility in Ohio that processed uranium for nuclear weapons and later became a major environmental cleanup and remediation site.
E128188 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: Fernald Feed Materials Production Center (historical) | Statement: [United States nuclear weapons complex, includesFacility, Fernald Feed Materials Production Center (historical)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Fernald Feed Materials Production Center (historical)
Context triple: [United States nuclear weapons complex, includesFacility, Fernald Feed Materials Production Center (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. Hedley Industrial Complex
    The Hedley Industrial Complex is a historic former manufacturing site in Troy, New York, that has been redeveloped into a mixed-use commercial and office complex along the Hudson River.
  • D. Weldon Spring Ordnance Works
    Weldon Spring Ordnance Works was a major World War II-era munitions and later uranium-processing facility in Missouri that became part of the Manhattan Project and is now known for its extensive environmental cleanup.
  • E. Jones Pumping Plant
    Jones Pumping Plant is a major water pumping facility in California’s Central Valley that lifts and conveys water from the Sacramento-San Joaquin Delta into the Central Valley Project’s distribution system.
  • 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: Fernald Feed Materials Production Center (historical)
Triple: [United States nuclear weapons complex, includesFacility, Fernald Feed Materials Production Center (historical)]
Generated description
The Fernald Feed Materials Production Center was a Cold War–era U.S. Department of Energy facility in Ohio that processed uranium for nuclear weapons and later became a major environmental cleanup and remediation site.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Fernald Feed Materials Production Center (historical)
Target entity description: The Fernald Feed Materials Production Center was a Cold War–era U.S. Department of Energy facility in Ohio that processed uranium for nuclear weapons and later became a major environmental cleanup and remediation site.
  • 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. Hedley Industrial Complex
    The Hedley Industrial Complex is a historic former manufacturing site in Troy, New York, that has been redeveloped into a mixed-use commercial and office complex along the Hudson River.
  • D. Weldon Spring Ordnance Works
    Weldon Spring Ordnance Works was a major World War II-era munitions and later uranium-processing facility in Missouri that became part of the Manhattan Project and is now known for its extensive environmental cleanup.
  • E. Jones Pumping Plant
    Jones Pumping Plant is a major water pumping facility in California’s Central Valley that lifts and conveys water from the Sacramento-San Joaquin Delta into the Central Valley Project’s distribution system.
  • 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_69ac539783188190896ab66306697b1c completed March 7, 2026, 4:34 p.m.
NEDg Description generation batch_69ac544fc41881908daff6b313622619 completed March 7, 2026, 4:37 p.m.
NED2 Entity disambiguation (via description) batch_69ac5526679081909c9f7458bd316ff6 completed March 7, 2026, 4:41 p.m.
Created at: March 1, 2026, 7:43 p.m.