Triple
T2134888
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Harlem Line |
E46626
|
entity |
| Predicate | historicalPredecessor |
P97
|
FINISHED |
| Object | Harlem Division of the New York Central Railroad |
E46626
|
NE FINISHED |
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: Harlem Division of the New York Central Railroad | Statement: [Harlem Line, historicalPredecessor, Harlem Division of the New York Central Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Harlem Division of the New York Central Railroad Context triple: [Harlem Line, historicalPredecessor, Harlem Division of the New York Central Railroad]
-
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.
Harlem Line of the Metro-North Railroad
chosen
The Harlem Line of the Metro-North Railroad is a commuter rail line running from New York City north through Westchester, Putnam, and Dutchess counties, providing key suburban and exurban service into Manhattan.
-
C.
Harlem (Forest Park branch) station
Harlem (Forest Park branch) station is a Chicago Transit Authority rapid transit stop on the city's West Side serving the Blue Line’s Forest Park branch.
-
D.
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.
-
E.
Staten Island Railway Clifton Yard
Staten Island Railway Clifton Yard is a rail yard facility on Staten Island used for storing, maintaining, and dispatching Staten Island Railway trains.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a88a174ab48190a5db20c132e5dccf |
completed | March 4, 2026, 7:37 p.m. |
| NER | Named-entity recognition | batch_69abbba34b44819083ed6d93c943439f |
completed | March 7, 2026, 5:46 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae51aa86ec8190acf86ac6b26ce4f1 |
completed | March 9, 2026, 4:50 a.m. |
Created at: March 4, 2026, 7:44 p.m.