Triple
T14169471
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mamaroneck station |
E351167
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Grand Central Terminal (via New Haven Line) |
E1067436
|
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: Grand Central Terminal (via New Haven Line) | Statement: [Mamaroneck station, connectsTo, Grand Central Terminal (via New Haven Line)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Grand Central Terminal (via New Haven Line) Context triple: [Mamaroneck station, connectsTo, Grand Central Terminal (via New Haven Line)]
-
A.
New Haven Line at Grand Central Terminal
The New Haven Line at Grand Central Terminal is a major Metro-North Railroad commuter rail service that originates at Manhattan’s Grand Central Terminal and runs northeast through suburban New York and into Connecticut.
-
B.
Metro-North Railroad at Grand Central Terminal
chosen
Metro-North Railroad at Grand Central Terminal is a major commuter rail hub in Manhattan that provides regional train service between New York City and its northern suburbs in New York and Connecticut.
-
C.
Grand Central LIRR terminal
Grand Central LIRR terminal is the Long Island Rail Road’s major Manhattan hub located beneath Grand Central Terminal, providing expanded commuter rail service on the East Side of Midtown.
-
D.
Hudson Line at Grand Central Terminal
The Hudson Line at Grand Central Terminal is a major Metro-North Railroad commuter rail line serving communities along the Hudson River and terminating at New York City's Grand Central Terminal.
-
E.
Penn Station (New York City)
Penn Station (New York City) is a major underground railroad station and one of the busiest transportation hubs in the United States, serving Amtrak, commuter rail, and subway lines in Midtown Manhattan.
- 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_69d8278834a08190b0f1784e58d7b99c |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de61b472288190b4a271daa54aa6cd |
completed | April 14, 2026, 3:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcf7f779248190921c85f99f587296 |
completed | May 7, 2026, 8:37 p.m. |
Created at: April 10, 2026, 1:01 a.m.