Triple
T19243217
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | National City Lines |
E481181
|
entity |
| Predicate | acquired |
P2511
|
FINISHED |
| Object | St. Louis Public Service Company (controlling interest) |
—
|
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: St. Louis Public Service Company (controlling interest) | Statement: [National City Lines, acquired, St. Louis Public Service Company (controlling interest)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: St. Louis Public Service Company (controlling interest) Context triple: [National City Lines, acquired, St. Louis Public Service Company (controlling interest)]
-
A.
Kansas City Power & Light Company
Kansas City Power & Light Company is a historic electric utility company based in Kansas City, Missouri, known for powering the region and lending its name to the city’s downtown Power & Light District.
-
B.
Louisville Gas and Electric Company
Louisville Gas and Electric Company is a regulated utility that provides electricity and natural gas services to customers in and around Louisville, Kentucky.
-
C.
Middle West Utilities Company
Middle West Utilities Company was a major early 20th-century American electric utility holding company associated with the expansion and subsequent collapse of Samuel Insull’s vast utility empire.
-
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.
Kentucky Utilities Company
Kentucky Utilities Company is a regulated electric utility serving customers in Kentucky and surrounding areas as part of the PPL Corporation family of energy companies.
- 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: St. Louis Public Service Company (controlling interest) Target entity description: St. Louis Public Service Company was the primary streetcar and bus transit operator serving the St. Louis, Missouri metropolitan area during much of the 20th century.
-
A.
Kansas City Power & Light Company
Kansas City Power & Light Company is a historic electric utility company based in Kansas City, Missouri, known for powering the region and lending its name to the city’s downtown Power & Light District.
-
B.
Louisville Gas and Electric Company
Louisville Gas and Electric Company is a regulated utility that provides electricity and natural gas services to customers in and around Louisville, Kentucky.
-
C.
Middle West Utilities Company
chosen
Middle West Utilities Company was a major early 20th-century American electric utility holding company associated with the expansion and subsequent collapse of Samuel Insull’s vast utility empire.
-
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.
Kentucky Utilities Company
Kentucky Utilities Company is a regulated electric utility serving customers in Kentucky and surrounding areas as part of the PPL Corporation family of energy companies.
- F. None of above.
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_69d8e8cd9d1081908a181d02b88b59b8 |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e5faf3018881909ef866616c45ff2e |
completed | April 20, 2026, 10:07 a.m. |
Created at: April 10, 2026, 1:27 p.m.