Triple
T19612197
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago–Detroit/Pontiac corridor |
E470759
|
entity |
| Predicate | primaryService |
P11934
|
FINISHED |
| Object | Wolverine (Amtrak service) |
—
|
NE NERFINISHED |
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: Wolverine (Amtrak service) | Statement: [Chicago–Detroit/Pontiac corridor, primaryService, Wolverine (Amtrak service)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Wolverine (Amtrak service) Context triple: [Chicago–Detroit/Pontiac corridor, primaryService, Wolverine (Amtrak service)]
-
A.
Wolverine (Amtrak train)
chosen
Wolverine is an Amtrak passenger train service in Michigan that operates multiple daily trips between Chicago and Detroit/Pontiac.
-
B.
Amtrak Wolverine service
Amtrak Wolverine service is a passenger rail line operated by Amtrak that runs between Chicago and Pontiac in Michigan, serving key cities across the state.
-
C.
Saluki (Amtrak)
Saluki (Amtrak) is a passenger train service operated by Amtrak that runs between Chicago and Carbondale in Illinois.
-
D.
Carolinian (Amtrak train)
The Carolinian is a daily Amtrak passenger train that operates between Charlotte, North Carolina, and New York City, serving major cities along the East Coast.
-
E.
Auto Train
Auto Train is a long-distance Amtrak service that carries both passengers and their vehicles nonstop between the Washington, D.C. area and central Florida.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d8e510fa248190b7afb274a1d4cf73 |
completed | April 10, 2026, 11:54 a.m. |
| NER | Named-entity recognition | batch_69e640cbeda08190addb1adf84af4993 |
completed | April 20, 2026, 3:05 p.m. |
Created at: April 10, 2026, 1:43 p.m.