Triple
T509377
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 2 train |
E10571
|
entity |
| Predicate | trunkLineInBrooklyn |
P3492
|
FINISHED |
| Object | IRT Eastern Parkway Line |
E24189
|
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: IRT Eastern Parkway Line | Statement: [2 train, trunkLineInBrooklyn, IRT Eastern Parkway Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: IRT Eastern Parkway Line Context triple: [2 train, trunkLineInBrooklyn, IRT Eastern Parkway Line]
-
A.
Eastern Parkway Line
chosen
The Eastern Parkway Line is a major New York City Subway route in Brooklyn that carries 2, 3, 4, and 5 trains along Eastern Parkway as part of the IRT system.
-
B.
L train
The L train is a New York City Subway service that runs crosstown along 14th Street in Manhattan and through Williamsburg and Bushwick in Brooklyn, known for its heavy ridership and role as a key connector between the boroughs.
-
C.
Lenox Avenue Line
The Lenox Avenue Line is a major New York City Subway route in Harlem, Manhattan, primarily served by IRT trains running beneath Lenox Avenue.
-
D.
New Lots Line
The New Lots Line is a New York City Subway line in Brooklyn that serves the easternmost portion of the IRT system, terminating at New Lots Avenue.
-
E.
BMT Nassau Street Line
The BMT Nassau Street Line is a New York City Subway line in Lower Manhattan that primarily carries J and Z trains through the Financial District.
- 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: trunkLineInBrooklyn Context triple: [2 train, trunkLineInBrooklyn, IRT Eastern Parkway Line]
-
A.
hasShuttleLine
Indicates that there is a shuttle service or route operating between the related entities.
-
B.
lineServed
Indicates that a particular transportation line (such as a bus, train, or metro line) provides service to or is operated at a given stop, station, or route segment.
-
C.
subwayServices
Indicates that one entity provides or operates subway transportation services for another entity or area.
-
D.
hasMainTrunkLine
chosen
Indicates that an entity is connected to or served by a primary or central trunk line within a network or system.
-
E.
metroLineInaugurated
Indicates that a metro line was officially opened and began operation on a specific date or during a specific event.
- 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_69a2e848adf881908e5e04f7af030093 |
completed | Feb. 28, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69a2f164a9d48190b525a97b5c06ffe2 |
completed | Feb. 28, 2026, 1:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4c66b91608190aff4623917cf3ae2 |
completed | March 1, 2026, 11:06 p.m. |
| PD | Predicate disambiguation | batch_69a2edfe236481909901cc7d4281b33c |
completed | Feb. 28, 2026, 1:30 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.