Triple
T3181516
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | New York City Subway D line |
E66597
|
entity |
| Predicate | primaryBrooklynTrunkLine |
P16164
|
FINISHED |
| Object | BMT West End Line |
E326284
|
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 West End Line | Statement: [New York City Subway D line, primaryBrooklynTrunkLine, BMT West End Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BMT West End Line Context triple: [New York City Subway D line, primaryBrooklynTrunkLine, BMT West End Line]
-
A.
BMT West End Line
chosen
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.
-
B.
BMT Fourth Avenue Line
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.
-
C.
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.
-
D.
BMT Canarsie Line
The BMT Canarsie Line is a New York City Subway rapid transit line in Brooklyn and Manhattan, best known for being served by the L train and running crosstown under 14th Street.
-
E.
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.
- 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_69ad8587c1bc8190a2595f2c22ee1001 |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69ada6bd07888190b680eace8290d821 |
completed | March 8, 2026, 4:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b48819b284819092e0a8db20d3e3a2 |
completed | March 13, 2026, 9:56 p.m. |
Created at: March 8, 2026, 3:06 p.m.