Triple
T18228216
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Marquette Iron Range |
E436473
|
entity |
| Predicate | hasTransportInfrastructure |
P2560
|
FINISHED |
| Object | Duluth, South Shore and Atlantic Railway |
—
|
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: Duluth, South Shore and Atlantic Railway | Statement: [Marquette Iron Range, hasTransportInfrastructure, Duluth, South Shore and Atlantic Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Duluth, South Shore and Atlantic Railway Context triple: [Marquette Iron Range, hasTransportInfrastructure, Duluth, South Shore and Atlantic Railway]
-
A.
Duluth Iron Range Railway Company
Duluth Iron Range Railway Company was a regional railroad line in Minnesota’s Iron Range that transported iron ore and related freight, historically tied to major industrial interests like Federal Steel.
-
B.
Milwaukee Road
The Milwaukee Road was a major American railroad that operated an extensive Midwestern and Pacific Northwest network, noted especially for its electrified mountain routes and eventual bankruptcy in the late 20th century.
-
C.
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.
-
D.
Soo Line Railroad
The Soo Line Railroad was a major U.S. Midwestern railroad, primarily serving the upper Midwest and closely associated with Canadian Pacific Railway’s operations in the United States.
-
E.
Minneapolis and St. Louis Railway
The Minneapolis and St. Louis Railway was a regional railroad in the Midwestern United States that primarily served agricultural areas by connecting smaller communities to major rail hubs.
- 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: Duluth, South Shore and Atlantic Railway Target entity description: The Duluth, South Shore and Atlantic Railway was a regional railroad in the Upper Midwest that played a key role in transporting iron ore and other freight across northern Michigan and Wisconsin to Lake Superior ports.
-
A.
Duluth Iron Range Railway Company
Duluth Iron Range Railway Company was a regional railroad line in Minnesota’s Iron Range that transported iron ore and related freight, historically tied to major industrial interests like Federal Steel.
-
B.
Milwaukee Road
The Milwaukee Road was a major American railroad that operated an extensive Midwestern and Pacific Northwest network, noted especially for its electrified mountain routes and eventual bankruptcy in the late 20th century.
-
C.
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.
-
D.
Soo Line Railroad
The Soo Line Railroad was a major U.S. Midwestern railroad, primarily serving the upper Midwest and closely associated with Canadian Pacific Railway’s operations in the United States.
-
E.
Minneapolis and St. Louis Railway
The Minneapolis and St. Louis Railway was a regional railroad in the Midwestern United States that primarily served agricultural areas by connecting smaller communities to major rail hubs.
- 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_69d8b9103a8081908bbb0836fef10efd |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e4f4b0ed5c819096f4fd3a8debc1a4 |
completed | April 19, 2026, 3:28 p.m. |
Created at: April 10, 2026, 10:33 a.m.