Triple

T227713
Position Surface form Disambiguated ID Type / Status
Subject Oak Ridge, Tennessee E4346 entity
Predicate hasFacility P105 FINISHED
Object K-25 site (former gaseous diffusion plant)
The K-25 site is a former World War II–era uranium enrichment plant in Oak Ridge, Tennessee, that played a key role in the Manhattan Project and early U.S. nuclear weapons production.
E18304 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: K-25 site (former gaseous diffusion plant) | Statement: [Oak Ridge, Tennessee, hasFacility, K-25 site (former gaseous diffusion plant)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: K-25 site (former gaseous diffusion plant)
Context triple: [Oak Ridge, Tennessee, hasFacility, K-25 site (former gaseous diffusion plant)]
  • A. 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.
  • B. 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.
  • C. Hanford Site, Washington
    Hanford Site, Washington is a large decommissioned nuclear production complex along the Columbia River that was central to U.S. plutonium production during and after World War II and is now one of the nation’s most challenging environmental cleanup sites.
  • D. Manhattan Project sites
    Manhattan Project sites are historically significant locations across the United States associated with the research, development, and testing of the first nuclear weapons during World War II.
  • E. K-West Reactor
    K-West Reactor is one of the plutonium production reactors at the Hanford Site in Washington State, historically used to support the U.S. nuclear weapons program.
  • 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: K-25 site (former gaseous diffusion plant)
Triple: [Oak Ridge, Tennessee, hasFacility, K-25 site (former gaseous diffusion plant)]
Generated description
The K-25 site is a former World War II–era uranium enrichment plant in Oak Ridge, Tennessee, that played a key role in the Manhattan Project and early U.S. nuclear weapons production.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: K-25 site (former gaseous diffusion plant)
Target entity description: The K-25 site is a former World War II–era uranium enrichment plant in Oak Ridge, Tennessee, that played a key role in the Manhattan Project and early U.S. nuclear weapons production.
  • A. 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.
  • B. 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.
  • C. Hanford Site, Washington
    Hanford Site, Washington is a large decommissioned nuclear production complex along the Columbia River that was central to U.S. plutonium production during and after World War II and is now one of the nation’s most challenging environmental cleanup sites.
  • D. Manhattan Project sites chosen
    Manhattan Project sites are historically significant locations across the United States associated with the research, development, and testing of the first nuclear weapons during World War II.
  • E. K-West Reactor
    K-West Reactor is one of the plutonium production reactors at the Hanford Site in Washington State, historically used to support the U.S. nuclear weapons program.
  • F. None of above.

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_69a257363ffc81909757bde7ab3404da completed Feb. 28, 2026, 2:47 a.m.
NER Named-entity recognition batch_69a25c8f60e081909a1e382c1564df8d completed Feb. 28, 2026, 3:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69a362bb2a0c8190b7ae957ac2387f7a completed Feb. 28, 2026, 9:48 p.m.
NEDg Description generation batch_69a3632a55ac8190b099ae109b0c578c completed Feb. 28, 2026, 9:50 p.m.
NED2 Entity disambiguation (via description) batch_69a363911900819094af203ba2ed0e8a completed Feb. 28, 2026, 9:52 p.m.
Created at: Feb. 28, 2026, 2:53 a.m.