Triple
T20910583
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Owosso, Michigan |
E514929
|
entity |
| Predicate | hasRailService |
P782
|
FINISHED |
| Object | Great Lakes Central Railroad |
—
|
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: Great Lakes Central Railroad | Statement: [Owosso, Michigan, hasRailService, Great Lakes Central Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Great Lakes Central Railroad Context triple: [Owosso, Michigan, hasRailService, Great Lakes Central Railroad]
-
A.
Michigan Central Railroad
Michigan Central Railroad was a major 19th- and early 20th-century American railroad company that operated key passenger and freight routes across Michigan and the Great Lakes region, connecting to Chicago and the broader Midwest rail network.
-
B.
Lake Shore and Michigan Southern Railway
The Lake Shore and Michigan Southern Railway was a major 19th-century American railroad that formed a key part of the New York Central system, linking the Great Lakes region with the Eastern United States.
-
C.
Chicago and Erie Railroad
The Chicago and Erie Railroad was a regional American railroad that connected Chicago with points in Indiana and Ohio, serving as an important Midwestern freight and passenger route in the late 19th and early 20th centuries.
-
D.
North Western State Railway
The North Western State Railway was a major railway system of British India that served much of what is now Pakistan and parts of northern India before being reorganized after independence.
-
E.
Milwaukee and La Crosse Railroad
The Milwaukee and La Crosse Railroad was a 19th-century Wisconsin railway company that played a key role in connecting Milwaukee with the Mississippi River region and advancing regional commerce and settlement.
- 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: Great Lakes Central Railroad Target entity description: Great Lakes Central Railroad is a regional freight railroad in Michigan that operates former state-owned lines across the central and northern parts of the state.
-
A.
Michigan Central Railroad
Michigan Central Railroad was a major 19th- and early 20th-century American railroad company that operated key passenger and freight routes across Michigan and the Great Lakes region, connecting to Chicago and the broader Midwest rail network.
-
B.
Lake Shore and Michigan Southern Railway
The Lake Shore and Michigan Southern Railway was a major 19th-century American railroad that formed a key part of the New York Central system, linking the Great Lakes region with the Eastern United States.
-
C.
Chicago and Erie Railroad
The Chicago and Erie Railroad was a regional American railroad that connected Chicago with points in Indiana and Ohio, serving as an important Midwestern freight and passenger route in the late 19th and early 20th centuries.
-
D.
North Western State Railway
The North Western State Railway was a major railway system of British India that served much of what is now Pakistan and parts of northern India before being reorganized after independence.
-
E.
Milwaukee and La Crosse Railroad
The Milwaukee and La Crosse Railroad was a 19th-century Wisconsin railway company that played a key role in connecting Milwaukee with the Mississippi River region and advancing regional commerce and settlement.
- F. None of above. chosen
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_69e0b4f9d5ec8190bb2bd27350ed341c |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6ec5e3f988190932956119197e3b1 |
completed | April 21, 2026, 3:17 a.m. |
Created at: April 16, 2026, 12:48 p.m.