Triple
T19612179
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Wolverine (Amtrak train) |
E470758
|
entity |
| Predicate | primaryMarket |
P481
|
FINISHED |
| Object | Chicago–Detroit corridor |
—
|
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: Chicago–Detroit corridor | Statement: [Wolverine (Amtrak train), primaryMarket, Chicago–Detroit corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago–Detroit corridor Context triple: [Wolverine (Amtrak train), primaryMarket, Chicago–Detroit corridor]
-
A.
Chicago–Detroit/Pontiac corridor
chosen
The Chicago–Detroit/Pontiac corridor is a major Midwestern passenger rail route that connects Chicago with Detroit and Pontiac, serving numerous intermediate cities across Illinois and Michigan.
-
B.
Chicago–Ann Arbor corridor
The Chicago–Ann Arbor corridor is a key Midwestern passenger rail route linking Chicago, Illinois with Ann Arbor, Michigan and other intermediate cities.
-
C.
Chicago–Milwaukee metropolitan corridor
The Chicago–Milwaukee metropolitan corridor is a heavily urbanized and economically integrated region stretching along Lake Michigan between Chicago, Illinois, and Milwaukee, Wisconsin.
-
D.
Grand Rapids–Lake Michigan corridor
The Grand Rapids–Lake Michigan corridor is a key transportation and economic region in western Michigan linking the city of Grand Rapids with the Lake Michigan shoreline.
-
E.
Chicago–Aurora corridor
The Chicago–Aurora corridor is a heavily traveled suburban rail and commuter route linking downtown Chicago with the city of Aurora in Illinois.
- 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.