Triple
T3942408
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Wolverine service |
E92063
|
entity |
| Predicate | primaryMarket |
P481
|
FINISHED |
| Object | Chicago–Detroit corridor |
E22246
|
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: Chicago–Detroit corridor | Statement: [Amtrak Wolverine service, primaryMarket, Chicago–Detroit corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago–Detroit corridor Context triple: [Amtrak Wolverine service, primaryMarket, Chicago–Detroit corridor]
-
A.
New York City–Albany–Buffalo–Niagara Falls corridor
The New York City–Albany–Buffalo–Niagara Falls corridor is a major passenger rail and transportation route spanning downstate to western New York, linking the state’s largest city with its capital and key upstate urban centers.
-
B.
Illinois–Indiana–Kentucky tri-state area
The Illinois–Indiana–Kentucky tri-state area is a regional metropolitan zone in the Midwestern and Southern United States centered around the city of Evansville and spanning portions of these three neighboring states.
-
C.
Rochester metropolitan area
The Rochester metropolitan area is a major urban region in western New York centered on the city of Rochester, known for its educational institutions, technology and imaging industries, and cultural attractions.
-
D.
Southeast Michigan
chosen
Southeast Michigan is a region anchored by Detroit that serves as the historic heart of the U.S. automotive industry and a major center for manufacturing and engineering.
-
E.
Great Lakes Bay Region
The Great Lakes Bay Region is a mid-Michigan area centered around the Saginaw Bay that includes communities such as Saginaw, Bay City, and Midland and is known for its manufacturing, healthcare, and outdoor recreation.
- 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_69aed965502c8190904ebad1203a4ae8 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aeedff736c8190b22e03d94c40f61a |
completed | March 9, 2026, 3:57 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b533912bf881909e5e5e9e4245edbf |
completed | March 14, 2026, 10:08 a.m. |
Created at: March 9, 2026, 3:24 p.m.