Triple
T21213728
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lake Shore and Michigan Southern Railway |
E522783
|
entity |
| Predicate | formedByMergerOf |
P77
|
FINISHED |
| Object | Lake Shore Railway |
—
|
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: Lake Shore Railway | Statement: [Lake Shore and Michigan Southern Railway, formedByMergerOf, Lake Shore Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Shore Railway Context triple: [Lake Shore and Michigan Southern Railway, formedByMergerOf, Lake Shore Railway]
-
A.
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.
-
B.
Chicago and Erie Railroad
chosen
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.
-
C.
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.
-
D.
Cleveland Railway
Cleveland Railway was a major early 20th-century streetcar and public transit company serving the city of Cleveland, Ohio.
-
E.
Chicago North Shore and Milwaukee Railroad
The Chicago North Shore and Milwaukee Railroad was an interurban electric railway that operated between Chicago and Milwaukee, providing high-speed commuter and intercity service along the Lake Michigan shoreline in the early to mid-20th century.
- 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.