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.