Triple
T18035721
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Wassaic station |
E431502
|
entity |
| Predicate | formerRailroadCorridor |
P129534
|
FINISHED |
| Object | New York Central Railroad Harlem Division |
—
|
NE NERFINISHED |
How this triple was built (4 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: New York Central Railroad Harlem Division | Statement: [Wassaic station, formerRailroadCorridor, New York Central Railroad Harlem Division]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New York Central Railroad Harlem Division Context triple: [Wassaic station, formerRailroadCorridor, New York Central Railroad Harlem Division]
-
A.
New York and Harlem Railroad
The New York and Harlem Railroad was one of the earliest rail lines in New York State, forming a key part of the region’s 19th-century transportation network and later becoming a cornerstone of Cornelius Vanderbilt’s railroad empire.
-
B.
Hudson and Manhattan Railroad
The Hudson and Manhattan Railroad was an early 20th-century rapid transit system that operated tunnels and trains between Manhattan and New Jersey, forming the core of what is now the PATH system.
-
C.
New York Connecting Railroad
The New York Connecting Railroad is a freight and passenger rail line in New York City that links the Long Island Rail Road and the Northeast Corridor, notably via the Hell Gate Bridge between Queens and the Bronx.
-
D.
New York and Atlantic Railway
The New York and Atlantic Railway is a short line freight railroad that operates on Long Island, New York, providing rail freight services over tracks owned by the Long Island Rail Road.
-
E.
Hudson River Railroad
The Hudson River Railroad was a 19th-century rail line running along the east bank of the Hudson River, forming a key part of the early rail network linking New York City with upstate New York and beyond.
- 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: New York Central Railroad Harlem Division Target entity description: The New York Central Railroad Harlem Division was a major commuter and intercity rail line running north from New York City through the Harlem Valley into upstate New York.
-
A.
New York and Harlem Railroad
chosen
The New York and Harlem Railroad was one of the earliest rail lines in New York State, forming a key part of the region’s 19th-century transportation network and later becoming a cornerstone of Cornelius Vanderbilt’s railroad empire.
-
B.
Hudson and Manhattan Railroad
The Hudson and Manhattan Railroad was an early 20th-century rapid transit system that operated tunnels and trains between Manhattan and New Jersey, forming the core of what is now the PATH system.
-
C.
New York Connecting Railroad
The New York Connecting Railroad is a freight and passenger rail line in New York City that links the Long Island Rail Road and the Northeast Corridor, notably via the Hell Gate Bridge between Queens and the Bronx.
-
D.
New York and Atlantic Railway
The New York and Atlantic Railway is a short line freight railroad that operates on Long Island, New York, providing rail freight services over tracks owned by the Long Island Rail Road.
-
E.
Hudson River Railroad
The Hudson River Railroad was a 19th-century rail line running along the east bank of the Hudson River, forming a key part of the early rail network linking New York City with upstate New York and beyond.
- F. None of above.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: formerRailroadCorridor Context triple: [Wassaic station, formerRailroadCorridor, New York Central Railroad Harlem Division]
-
A.
formerRailroad
Indicates that an entity was previously a railroad but no longer functions as one.
-
B.
formerRailwayLine
Indicates that a railway line previously existed in the past but is no longer in operation or has been decommissioned.
-
C.
railCorridorType
Indicates the specific classification or type of a rail corridor associated with the subject (e.g., mainline, branch line, high-speed, freight, etc.).
-
D.
partOfRailwayCorridor
Indicates that one entity is a segment, component, or area belonging to or contained within a specific railway corridor.
-
E.
followsFormerRailroad
Indicates that something is aligned with or traces the route of a former railroad line.
- F. None of above. chosen
Provenance (4 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_69d8b9050fb48190890155145deb0a66 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e4be39a7348190a75735fe56c78fc3 |
completed | April 19, 2026, 11:36 a.m. |
| PD | Predicate disambiguation | batch_69e3f908da508190a088aa837ea5b7af |
completed | April 18, 2026, 9:35 p.m. |
| PDg | Predicate description generation | batch_69e42d8eefa88190a700c7c1b4213e46 |
completed | April 19, 2026, 1:19 a.m. |
Created at: April 10, 2026, 10:25 a.m.