Triple
T12922200
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MTA New York City Transit Subdivision B |
E309151
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | New York City Subway lettered services |
E706723
|
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: New York City Subway lettered services | Statement: [MTA New York City Transit Subdivision B, operator, New York City Subway lettered services]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New York City Subway lettered services Context triple: [MTA New York City Transit Subdivision B, operator, New York City Subway lettered services]
-
A.
New York City Subway lettered services
chosen
New York City Subway lettered services are the group of rapid transit routes identified by letters that primarily run on the system’s B Division lines across Manhattan, Brooklyn, Queens, and the Bronx.
-
B.
S (New York City Subway service)
The S (New York City Subway service) is a designation used for the system’s shuttle trains, which provide short, point-to-point connections between specific stations.
-
C.
R (New York City Subway service)
The R (New York City Subway service) is a local rapid transit line in New York City that runs primarily along the BMT Broadway Line in Manhattan and the BMT Fourth Avenue Line in Brooklyn, connecting Queens, Manhattan, and Brooklyn.
-
D.
A (New York City Subway service)
The A (New York City Subway service) is a major rapid transit line in New York City that runs primarily along the Eighth Avenue Corridor in Manhattan and extends into Brooklyn and Queens, including service to JFK Airport and the Rockaways.
-
E.
Z (New York City Subway service)
The Z is a rush-hour, skip-stop New York City Subway service that runs along the J line in Brooklyn and Queens into 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_69d7bdf92b588190acdf2a2291ac4590 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d971e7f6e881908c7bb12283898c80 |
completed | April 10, 2026, 9:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6af625af88190b036f97feaefe43b |
completed | May 3, 2026, 2:13 a.m. |
Created at: April 9, 2026, 5:42 p.m.