Triple
T19697108
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Brooklyn–Manhattan Transit Corporation subway network |
E472987
|
entity |
| Predicate | hasLine |
P35
|
FINISHED |
| Object | BMT Fifth Avenue Line (Brooklyn elevated) |
—
|
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 Fifth Avenue Line (Brooklyn elevated) | Statement: [Brooklyn–Manhattan Transit Corporation subway network, hasLine, BMT Fifth Avenue Line (Brooklyn elevated)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BMT Fifth Avenue Line (Brooklyn elevated) Context triple: [Brooklyn–Manhattan Transit Corporation subway network, hasLine, BMT Fifth Avenue Line (Brooklyn elevated)]
-
A.
BMT Lexington Avenue Line (Brooklyn elevated)
The BMT Lexington Avenue Line (Brooklyn elevated) was an elevated rapid transit line in Brooklyn that formed part of the Brooklyn–Manhattan Transit Corporation system before its eventual demolition.
-
B.
BMT Fulton Street Line (elevated)
The BMT Fulton Street Line (elevated) was a former elevated rapid transit line in Brooklyn that predated and was largely replaced by the modern IND Fulton Street subway.
-
C.
BMT Fifth Avenue Line
chosen
The BMT Fifth Avenue Line was an elevated rapid transit line in Brooklyn, New York City, that once ran above Fifth Avenue and served as part of the Brooklyn–Manhattan Transit Corporation system before its eventual demolition.
-
D.
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.
-
E.
BMT Broadway Line
The BMT Broadway Line is a major New York City Subway trunk line in Manhattan, carrying N, Q, R, and W trains through Midtown and Lower Manhattan via Broadway.
- 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_69d8e515bef88190bc30781aea50537a |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e6421527b08190858788265043792d |
completed | April 20, 2026, 3:11 p.m. |
Created at: April 10, 2026, 1:46 p.m.