Triple
T2094517
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Grand Central Madison |
E32748
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object | Metro-North Railroad at Grand Central Terminal |
E238263
|
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: Metro-North Railroad at Grand Central Terminal | Statement: [Grand Central Madison, connectsWith, Metro-North Railroad at Grand Central Terminal]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metro-North Railroad at Grand Central Terminal Context triple: [Grand Central Madison, connectsWith, Metro-North Railroad at Grand Central Terminal]
-
A.
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.
-
B.
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.
-
C.
New Haven Line at Grand Central Terminal
chosen
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.
-
D.
Newark Penn Station
Newark Penn Station is a major intercity and commuter rail hub in Newark, New Jersey, serving Amtrak, NJ Transit, PATH, and local transit connections.
-
E.
Grand Central Terminal
Grand Central Terminal is a historic Beaux-Arts railway station and iconic transportation hub in Midtown Manhattan, renowned for its grand architecture and celestial main concourse ceiling.
- 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_69a885eba0708190999696a45cbec816 |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69abba99ddc48190bb2097b56efb7aca |
completed | March 7, 2026, 5:41 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae71aa1374819095bdad8291ac41a1 |
completed | March 9, 2026, 7:07 a.m. |
Created at: March 4, 2026, 7:43 p.m.