Triple
T23537320
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ameren Missouri |
E577634
|
entity |
| Predicate | parentCompany |
P254
|
FINISHED |
| Object | Ameren Corporation |
—
|
NE NERFINISHED |
How this triple was built (3 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: Ameren Corporation | Statement: [Ameren Missouri, parentCompany, Ameren Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ameren Corporation Context triple: [Ameren Missouri, parentCompany, Ameren Corporation]
-
A.
Exelon
Exelon is a brand-name prescription medication containing rivastigmine, used to treat symptoms of mild to moderate dementia associated with Alzheimer's and Parkinson's disease.
-
B.
Exelon
Exelon is a major American energy company and utility services holding corporation, known for operating one of the largest fleets of nuclear power plants in the United States.
-
C.
DTE Energy
DTE Energy is a Detroit-based diversified energy company that provides electric and natural gas utility services to customers in Michigan and operates various energy-related businesses across the United States.
-
D.
Duquesne Light Company
Duquesne Light Company is a Pennsylvania-based electric utility that has played a significant role in the region’s power generation history, including involvement with pioneering nuclear facilities.
-
E.
Consumers Energy
Consumers Energy is a large public utility company based in Michigan that provides electricity and natural gas to millions of customers across the state.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Ameren Corporation Target entity description: Ameren Corporation is a major U.S. public utility holding company that provides electric and natural gas services to customers primarily in Missouri and Illinois.
-
A.
Exelon
Exelon is a brand-name prescription medication containing rivastigmine, used to treat symptoms of mild to moderate dementia associated with Alzheimer's and Parkinson's disease.
-
B.
Exelon
Exelon is a major American energy company and utility services holding corporation, known for operating one of the largest fleets of nuclear power plants in the United States.
-
C.
DTE Energy
DTE Energy is a Detroit-based diversified energy company that provides electric and natural gas utility services to customers in Michigan and operates various energy-related businesses across the United States.
-
D.
Duquesne Light Company
Duquesne Light Company is a Pennsylvania-based electric utility that has played a significant role in the region’s power generation history, including involvement with pioneering nuclear facilities.
-
E.
Consumers Energy
Consumers Energy is a large public utility company based in Michigan that provides electricity and natural gas to millions of customers across the state.
- F. None of above. chosen
Provenance (2 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_69e245f9d5d08190a4a20004e1784e20 |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f1ae1831688190ac06b84729bce160 |
completed | April 29, 2026, 7:07 a.m. |
Created at: April 17, 2026, 6:10 p.m.