Triple
T18192726
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Vernon, Vermont |
E435580
|
entity |
| Predicate | hasFormerFacility |
P35178
|
FINISHED |
| Object |
Vermont Yankee Nuclear Power Station
Vermont Yankee Nuclear Power Station was a boiling water nuclear reactor facility in Vermont that generated electricity for the New England power grid before its closure in 2014.
|
E1311048
|
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: Vermont Yankee Nuclear Power Station | Statement: [Vernon, Vermont, hasFormerFacility, Vermont Yankee Nuclear Power Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Vermont Yankee Nuclear Power Station Context triple: [Vernon, Vermont, hasFormerFacility, Vermont Yankee Nuclear Power Station]
-
A.
Maine Yankee Nuclear Power Plant
Maine Yankee Nuclear Power Plant was a large, now-decommissioned pressurized water reactor facility in Wiscasset, Maine that supplied significant electrical power to New England from the early 1970s until its closure in the 1990s.
-
B.
Vermont Yankee Nuclear Power Corporation
Vermont Yankee Nuclear Power Corporation was the owner and operator of the Vermont Yankee nuclear power plant and a key party in the landmark U.S. Supreme Court case Vermont Yankee Nuclear Power Corp. v. NRDC, which shaped administrative law and regulatory procedure.
-
C.
Yankee Rowe Nuclear Power Station
Yankee Rowe Nuclear Power Station was one of the first commercial nuclear power plants in the United States, notable as an early pressurized water reactor facility that operated in Massachusetts from the early 1960s until its decommissioning in the 1990s.
-
D.
Connecticut Yankee Nuclear Power Plant
Connecticut Yankee Nuclear Power Plant was a now-decommissioned pressurized water reactor facility in Haddam, Connecticut, that operated from the late 1960s to the mid-1990s as one of the early commercial nuclear power stations in the United States.
-
E.
Salem Nuclear Power Plant
Salem Nuclear Power Plant is a commercial nuclear power station in Lower Alloways Creek Township, New Jersey, that generates electricity using pressurized water reactors along the Delaware River.
- 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: Vermont Yankee Nuclear Power Station Triple: [Vernon, Vermont, hasFormerFacility, Vermont Yankee Nuclear Power Station]
Generated description
Vermont Yankee Nuclear Power Station was a boiling water nuclear reactor facility in Vermont that generated electricity for the New England power grid before its closure in 2014.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Vermont Yankee Nuclear Power Station Target entity description: Vermont Yankee Nuclear Power Station was a boiling water nuclear reactor facility in Vermont that generated electricity for the New England power grid before its closure in 2014.
-
A.
Maine Yankee Nuclear Power Plant
Maine Yankee Nuclear Power Plant was a large, now-decommissioned pressurized water reactor facility in Wiscasset, Maine that supplied significant electrical power to New England from the early 1970s until its closure in the 1990s.
-
B.
Vermont Yankee Nuclear Power Corporation
Vermont Yankee Nuclear Power Corporation was the owner and operator of the Vermont Yankee nuclear power plant and a key party in the landmark U.S. Supreme Court case Vermont Yankee Nuclear Power Corp. v. NRDC, which shaped administrative law and regulatory procedure.
-
C.
Yankee Rowe Nuclear Power Station
Yankee Rowe Nuclear Power Station was one of the first commercial nuclear power plants in the United States, notable as an early pressurized water reactor facility that operated in Massachusetts from the early 1960s until its decommissioning in the 1990s.
-
D.
Connecticut Yankee Nuclear Power Plant
Connecticut Yankee Nuclear Power Plant was a now-decommissioned pressurized water reactor facility in Haddam, Connecticut, that operated from the late 1960s to the mid-1990s as one of the early commercial nuclear power stations in the United States.
-
E.
Salem Nuclear Power Plant
Salem Nuclear Power Plant is a commercial nuclear power station in Lower Alloways Creek Township, New Jersey, that generates electricity using pressurized water reactors along the Delaware River.
- 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_69d8b90c7ec081909b4694ccecb449c6 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e4e0d05974819094b4a50d081be881 |
completed | April 19, 2026, 2:04 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0398090dc0819082d4bd4df858f847 |
completed | May 12, 2026, 9:13 p.m. |
| NEDg | Description generation | batch_6a0399663b388190b7227e1dca0040a7 |
completed | May 12, 2026, 9:19 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0399ff18948190ad2c3fbe1e5986cc |
completed | May 12, 2026, 9:22 p.m. |
Created at: April 10, 2026, 10:31 a.m.