Triple
T21213746
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lake Shore and Michigan Southern Railway |
E522783
|
entity |
| Predicate | notableRoute |
P22
|
FINISHED |
| Object | Chicago–Buffalo main line |
—
|
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–Buffalo main line | Statement: [Lake Shore and Michigan Southern Railway, notableRoute, Chicago–Buffalo main line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago–Buffalo main line Context triple: [Lake Shore and Michigan Southern Railway, notableRoute, Chicago–Buffalo main line]
-
A.
Chicago–Buffalo main line
chosen
The Chicago–Buffalo main line was a key intercity rail corridor linking Chicago and Buffalo, serving as a major route for passenger and freight traffic across the Midwest and into the Northeast.
-
B.
New York–Chicago main line
The New York–Chicago main line was a principal intercity rail corridor in the United States that connected the East Coast metropolis of New York City with the Midwestern hub of Chicago.
-
C.
Erie Railroad Main Line
The Erie Railroad Main Line was a major historic rail corridor in the northeastern United States that formed the core route of the former Erie Railroad between the New York City area and the Midwest.
-
D.
Chicago–Omaha main line
The Chicago–Omaha main line was a principal transcontinental rail corridor in the Midwestern United States, linking Chicago with Omaha and serving as a key route for both passenger and freight traffic.
-
E.
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.
- 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_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.