Triple
T15458820
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Salem Harbor Power Station |
E371841
|
entity |
| Predicate | ownedBy |
P347
|
FINISHED |
| Object |
New England Power Company
New England Power Company is a regional electric utility company in the northeastern United States that has owned and operated various power generation facilities, including the Salem Harbor Power Station.
|
E1157454
|
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: New England Power Company | Statement: [Salem Harbor Power Station, ownedBy, New England Power Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New England Power Company Context triple: [Salem Harbor Power Station, ownedBy, New England Power Company]
-
A.
Central Maine Power Company
Central Maine Power Company is a major electric utility in Maine that generates and distributes electricity to residential, commercial, and industrial customers across the state.
-
B.
Portland General Electric
Portland General Electric is a publicly traded electric utility company based in Oregon that generates, transmits, and distributes electricity to customers in the Portland metropolitan area and surrounding regions.
-
C.
Metropolitan Edison Company
Metropolitan Edison Company is a regional electric utility that formerly operated the Three Mile Island nuclear power plant in Pennsylvania.
-
D.
Buffalo General Electric Company
Buffalo General Electric Company was a regional electric utility based in Buffalo, New York, that played a key role in the early development and distribution of electrical power in the area.
-
E.
Holyoke Gas and Electric Department
Holyoke Gas and Electric Department is a municipal utility in Holyoke, Massachusetts that provides electricity and natural gas service, including power generated from local hydroelectric resources.
- 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: New England Power Company Triple: [Salem Harbor Power Station, ownedBy, New England Power Company]
Generated description
New England Power Company is a regional electric utility company in the northeastern United States that has owned and operated various power generation facilities, including the Salem Harbor Power Station.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: New England Power Company Target entity description: New England Power Company is a regional electric utility company in the northeastern United States that has owned and operated various power generation facilities, including the Salem Harbor Power Station.
-
A.
Central Maine Power Company
Central Maine Power Company is a major electric utility in Maine that generates and distributes electricity to residential, commercial, and industrial customers across the state.
-
B.
Portland General Electric
Portland General Electric is a publicly traded electric utility company based in Oregon that generates, transmits, and distributes electricity to customers in the Portland metropolitan area and surrounding regions.
-
C.
Metropolitan Edison Company
Metropolitan Edison Company is a regional electric utility that formerly operated the Three Mile Island nuclear power plant in Pennsylvania.
-
D.
Buffalo General Electric Company
Buffalo General Electric Company was a regional electric utility based in Buffalo, New York, that played a key role in the early development and distribution of electrical power in the area.
-
E.
Holyoke Gas and Electric Department
Holyoke Gas and Electric Department is a municipal utility in Holyoke, Massachusetts that provides electricity and natural gas service, including power generated from local hydroelectric resources.
- 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_69d85cc8bd308190886949510b42e764 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e03f1623f0819086f6fc2bfd536609 |
completed | April 16, 2026, 1:44 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff21b9817c819082e5c571b08bafb5 |
completed | May 9, 2026, 11:59 a.m. |
| NEDg | Description generation | batch_69ff2299ac9481909ad213ff5bb01db3 |
completed | May 9, 2026, 12:03 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ff2325e6a48190bee256ef8720ba8e |
completed | May 9, 2026, 12:05 p.m. |
Created at: April 10, 2026, 3:32 a.m.