Triple
T4241892
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Midwest services |
E95431
|
entity |
| Predicate | ownerOfRollingStock |
P347
|
FINISHED |
| Object | Midwest states equipment pool |
E200495
|
NE FINISHED |
How this triple was built (2 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: Midwest states equipment pool | Statement: [Amtrak Midwest services, ownerOfRollingStock, Midwest states equipment pool]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Midwest states equipment pool Context triple: [Amtrak Midwest services, ownerOfRollingStock, Midwest states equipment pool]
-
A.
Midwest states consortium
chosen
The Midwest States Consortium is a partnership of Midwestern U.S. state transportation agencies that jointly procure and manage passenger rail equipment and services.
-
B.
Midwest Connect
Midwest Connect was a regional airline brand in the United States that provided feeder and short-haul services, primarily in the Midwestern states.
-
C.
North-Central State
North-Central State was a former administrative region in northern Nigeria that existed in the early years after independence before being reorganized into newer states such as Kaduna State.
-
D.
West Central State
West Central State was a former administrative region in Nigeria that was later renamed Kwara State.
-
E.
Great Lakes Works
Great Lakes Works is a large integrated steel manufacturing plant in Michigan known for producing flat-rolled steel products for the automotive and other industries.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69b3453d91548190b4d4ef8fe52aa2ac |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b34e891bc08190831187da4f553f48 |
completed | March 12, 2026, 11:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5a872fd6881908a3fbe37e7c35c92 |
completed | March 14, 2026, 6:26 p.m. |
Created at: March 12, 2026, 11:05 p.m.