Triple
T8224283
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BMT lines |
E192138
|
entity |
| Predicate | hasBrooklynTrunk |
P57604
|
FINISHED |
| Object | BMT Culver Line (historical BMT portion) |
E309150
|
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 Culver Line (historical BMT portion) | Statement: [BMT lines, hasBrooklynTrunk, BMT Culver Line (historical BMT portion)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BMT Culver Line (historical BMT portion) Context triple: [BMT lines, hasBrooklynTrunk, BMT Culver Line (historical BMT portion)]
-
A.
BMT Culver Line (historical BMT operation)
chosen
The BMT Culver Line was a former Brooklyn rapid transit route of the Brooklyn–Manhattan Transit system that provided elevated and subway service connecting southern Brooklyn neighborhoods with the broader New York City transit network.
-
B.
South Brooklyn Line (now part of Culver Line)
The South Brooklyn Line, now incorporated into New York City’s Culver Line, was a historic rapid transit route in Brooklyn that linked the Fourth Avenue subway with southern Brooklyn neighborhoods.
-
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 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.
-
E.
BMT Myrtle Avenue Line
The BMT Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens that primarily carries the M train along an elevated 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_69ca82c9a8ac81908b011c38698456e4 |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb77cc351481908d7dcd6d3d15d59f |
completed | March 31, 2026, 7:29 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ccee0fd9d0819094350c9c7887cabe |
completed | April 1, 2026, 10:06 a.m. |
Created at: March 30, 2026, 5:45 p.m.