Triple
T15892417
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | New York City Subway N line |
E385358
|
entity |
| Predicate | serviceCategory |
P5621
|
FINISHED |
| Object | BMT Broadway express service |
E86837
|
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 Broadway express service | Statement: [New York City Subway N line, serviceCategory, BMT Broadway express service]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BMT Broadway express service Context triple: [New York City Subway N line, serviceCategory, BMT Broadway express service]
-
A.
Brooklyn–Manhattan service
Brooklyn–Manhattan service is a New York City Subway service pattern that operates trains between Brooklyn and Manhattan along the BMT Jamaica Line and connecting routes.
-
B.
BMT Broadway Line
chosen
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.
-
C.
BMT Fifth Avenue Line
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.
Second Avenue–Broadway Express
The Second Avenue–Broadway Express is a New York City Subway service pattern that operates express via Second Avenue in Manhattan and Broadway in Brooklyn, providing faster travel between the Upper East Side and southern Brooklyn.
-
E.
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.
- 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_69d86da5b800819083a31be937d738b0 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e1561f515081908ba4e68e1347a881 |
completed | April 16, 2026, 9:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffbe6cd5a881908716f1dcf7d77004 |
completed | May 9, 2026, 11:08 p.m. |
Created at: April 10, 2026, 4:51 a.m.