Triple
T19236625
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | K train |
E481014
|
entity |
| Predicate | operatedOnInfrastructure |
P6820
|
FINISHED |
| Object | BMT lines |
—
|
NE NERFINISHED |
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 lines | Statement: [K train, operatedOnInfrastructure, BMT lines]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BMT lines Context triple: [K train, operatedOnInfrastructure, BMT lines]
-
A.
BMT lines
chosen
BMT lines are a group of New York City Subway routes that originated with the former Brooklyn–Manhattan Transit Corporation and primarily serve Brooklyn and Manhattan.
-
B.
Brooklyn–Manhattan Transit (BMT) lines
The Brooklyn–Manhattan Transit (BMT) lines were a major division of New York City's early subway system, originally operated by the BMT company and now forming part of the modern B Division of the NYC Subway.
-
C.
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.
-
D.
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.
-
E.
BMT 63rd Street Line
The BMT 63rd Street Line is a New York City Subway line in Manhattan that carries B, F, and Q trains through the 63rd Street Tunnel between Queens and the Upper East Side.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8e8ccb8f48190ad420098e74fb1db |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e5faed9ef0819085035cc17d1546e5 |
completed | April 20, 2026, 10:07 a.m. |
Created at: April 10, 2026, 1:26 p.m.