Triple
T2852751
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hudson Line |
E63128
|
entity |
| Predicate | southernEndpointStation |
P5249
|
FINISHED |
| Object | Grand Central Terminal |
E28946
|
NE FINISHED |
How this triple was built (3 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 | Statement: [Hudson Line, southernEndpointStation, Grand Central Terminal]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Grand Central Terminal Context triple: [Hudson Line, southernEndpointStation, Grand Central Terminal]
-
A.
Grand Central Terminal
chosen
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.
-
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.
Fulton Center
Fulton Center is a major transit and retail hub in Lower Manhattan that integrates several New York City Subway lines into a single, modern complex.
-
D.
Grand Central–42nd Street station
Grand Central–42nd Street station is a major New York City transit hub in Midtown Manhattan that connects multiple subway lines with Grand Central Terminal’s commuter rail services.
-
E.
Union Square station
Union Square station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station serving the Union Square neighborhood of Somerville, Massachusetts.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: southernEndpointStation Context triple: [Hudson Line, southernEndpointStation, Grand Central Terminal]
-
A.
terminalStationSouth
Indicates that a given station serves as the southern terminal (end point) of a particular route or line.
-
B.
hasSouthernTerminus
chosen
Indicates that one entity serves as the southern endpoint or terminus of another entity, such as a route, line, or path.
-
C.
terminusSouthNear
Indicates that the southern end or terminus of one entity is located close to another entity.
-
D.
adjacentStationSouth
Indicates that one station is directly to the south of another station, with no other station in between.
-
E.
southTerminusType
Indicates the type or nature of the southern endpoint or terminus of something (such as a route, line, or boundary).
- F. None of above.
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_69ab4c407c408190857d25e027155ce9 |
completed | March 6, 2026, 9:50 p.m. |
| NER | Named-entity recognition | batch_69abdf5e043c8190ac82112abce7262a |
completed | March 7, 2026, 8:18 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b2249f50008190921040166f6036b9 |
completed | March 12, 2026, 2:27 a.m. |
| PD | Predicate disambiguation | batch_69abdd10aef88190b750aae07e7df4dc |
completed | March 7, 2026, 8:08 a.m. |
Created at: March 6, 2026, 10:02 p.m.