Triple
T16238539
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Combustion Engineering PWR |
E394178
|
entity |
| Predicate | usedInPlant |
P122286
|
FINISHED |
| Object |
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.
|
E1204834
|
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: Maine Yankee Nuclear Power Plant | Statement: [Combustion Engineering PWR, usedInPlant, Maine Yankee Nuclear Power Plant]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Maine Yankee Nuclear Power Plant Context triple: [Combustion Engineering PWR, usedInPlant, Maine Yankee Nuclear Power Plant]
-
A.
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.
-
B.
Seabrook Station Nuclear Power Plant
Seabrook Station Nuclear Power Plant is a commercial nuclear power facility in Seabrook, New Hampshire, known for its large pressurized water reactor and significant role in the region’s electricity generation.
-
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.
Hatch Nuclear Power Plant
Hatch Nuclear Power Plant is a commercial nuclear power generating facility in Georgia that supplies electricity to the regional grid as part of Southern Company's energy portfolio.
-
E.
Springfield Nuclear Power Plant
The Springfield Nuclear Power Plant is the accident-prone workplace of Homer Simpson and a central setting in the animated television series "The Simpsons," symbolizing corporate greed, environmental hazards, and satirical takes on nuclear energy.
- 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: Maine Yankee Nuclear Power Plant Triple: [Combustion Engineering PWR, usedInPlant, Maine Yankee Nuclear Power Plant]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Maine Yankee Nuclear Power Plant Target entity description: 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.
-
A.
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.
-
B.
Seabrook Station Nuclear Power Plant
Seabrook Station Nuclear Power Plant is a commercial nuclear power facility in Seabrook, New Hampshire, known for its large pressurized water reactor and significant role in the region’s electricity generation.
-
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.
Hatch Nuclear Power Plant
Hatch Nuclear Power Plant is a commercial nuclear power generating facility in Georgia that supplies electricity to the regional grid as part of Southern Company's energy portfolio.
-
E.
Springfield Nuclear Power Plant
The Springfield Nuclear Power Plant is the accident-prone workplace of Homer Simpson and a central setting in the animated television series "The Simpsons," symbolizing corporate greed, environmental hazards, and satirical takes on nuclear energy.
- 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_69d87f2171208190951025e526947816 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e2455c7a3c81909e3b42edf03be43e |
completed | April 17, 2026, 2:36 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a001f8ae4288190b59e4af3e3d95000 |
completed | May 10, 2026, 6:02 a.m. |
| NEDg | Description generation | batch_6a00203a93c4819080e5e1c5b345ba77 |
completed | May 10, 2026, 6:05 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0020bcdb388190be736469d1b78af8 |
completed | May 10, 2026, 6:07 a.m. |
Created at: April 10, 2026, 5:04 a.m.