Triple
T8224259
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BMT lines |
E192138
|
entity |
| Predicate | includesService |
P1393
|
FINISHED |
| Object | F (Culver Line segment historically BMT) |
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: F (Culver Line segment historically BMT) | Statement: [BMT lines, includesService, F (Culver Line segment historically BMT)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: F (Culver Line segment historically BMT) Context triple: [BMT lines, includesService, F (Culver Line segment historically BMT)]
-
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.
Line F
Line F is one of the routes of the Strasbourg tramway network, providing urban light-rail transit service within the city and its surroundings.
-
D.
IND Culver Line (subway portion)
The IND Culver Line (subway portion) is a New York City Subway rapid transit line in Brooklyn that carries F trains through a series of underground and elevated stations between central Brooklyn and Coney Island.
-
E.
IND Fulton Street Line (subway portion)
The IND Fulton Street Line (subway portion) is a major New York City Subway line in Brooklyn and Queens that carries A and C trains along Fulton Street as part of the IND Division.
- 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.