Triple
T4712911
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Montague Street Tunnel |
E104558
|
entity |
| Predicate | carriedService |
P17741
|
FINISHED |
| Object | BMT Fourth Avenue Line services |
E146681
|
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: BMT Fourth Avenue Line services | Statement: [Montague Street Tunnel, carriedService, BMT Fourth Avenue Line services]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BMT Fourth Avenue Line services Context triple: [Montague Street Tunnel, carriedService, BMT Fourth Avenue Line services]
-
A.
BMT Fourth Avenue Line
chosen
The BMT Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn, running beneath Fourth Avenue and serving as a key corridor for multiple services.
-
B.
BMT 2 (Fourth Avenue Local)
BMT 2 (Fourth Avenue Local) was a former Brooklyn–Manhattan Transit Corporation subway service that operated local trains along Brooklyn’s Fourth Avenue Line in New York City.
-
C.
BMT Archer Avenue Line
The BMT Archer Avenue Line is a New York City Subway line in Queens that carries BMT services to and from the Jamaica Center–Parsons/Archer terminal.
-
D.
BMT Franklin Avenue Line
The BMT Franklin Avenue Line is a short New York City Subway shuttle route in Brooklyn that connects the Fulton Street Line with the Brighton Line.
-
E.
BMT West End Line
The BMT West End Line is a New York City Subway line in Brooklyn that runs primarily along New Utrecht Avenue and serves as part of the modern D train route.
- 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_69bd43eac3c08190af7e4020c6c3704c |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd64064c548190bcaa975bd81cd0d5 |
completed | March 20, 2026, 3:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be39ef1bec8190a741a918dd3c3f5a |
completed | March 21, 2026, 6:25 a.m. |
Created at: March 20, 2026, 1:18 p.m.