Triple
T21213703
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago–Cleveland route |
E522782
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Great Lakes rail network |
—
|
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 rail network | Statement: [Chicago–Cleveland route, partOf, Great Lakes rail network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Great Lakes rail network Context triple: [Chicago–Cleveland route, partOf, Great Lakes rail network]
-
A.
Lakeshore rail corridor
The Lakeshore rail corridor is a major railway line in Ontario that runs along the north shore of Lake Ontario, forming a key backbone for regional and intercity passenger and freight transportation.
-
B.
Chicago–Detroit rail corridor
The Chicago–Detroit rail corridor is a major Midwestern passenger rail route linking Chicago, Illinois to Detroit, Michigan, serving as a key component of intercity transportation between these metropolitan areas.
-
C.
Great Lakes Central Railroad
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.
-
D.
Chicago–Pacific Northwest rail corridor
The Chicago–Pacific Northwest rail corridor is a major freight and passenger rail route linking the Chicago rail hub with ports and cities in the Pacific Northwest across the northern United States.
-
E.
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.
- 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 rail network Target entity description: The Great Lakes rail network is an interconnected system of freight and passenger rail lines serving major industrial and port cities around the Great Lakes region in the United States and Canada.
-
A.
Lakeshore rail corridor
The Lakeshore rail corridor is a major railway line in Ontario that runs along the north shore of Lake Ontario, forming a key backbone for regional and intercity passenger and freight transportation.
-
B.
Chicago–Detroit rail corridor
The Chicago–Detroit rail corridor is a major Midwestern passenger rail route linking Chicago, Illinois to Detroit, Michigan, serving as a key component of intercity transportation between these metropolitan areas.
-
C.
Great Lakes Central Railroad
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.
-
D.
Chicago–Pacific Northwest rail corridor
The Chicago–Pacific Northwest rail corridor is a major freight and passenger rail route linking the Chicago rail hub with ports and cities in the Pacific Northwest across the northern United States.
-
E.
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.
- 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_69e0b511ed84819099b449b4a111085c |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7347088488190aa764b3f4bbac44d |
completed | April 21, 2026, 8:25 a.m. |
Created at: April 16, 2026, 3:39 p.m.