Triple
T7160610
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | F (New York City Subway service) |
E166931
|
entity |
| Predicate | historicalPredecessor |
P97
|
FINISHED |
| Object | Culver Line elevated service |
E536304
|
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: Culver Line elevated service | Statement: [F (New York City Subway service), historicalPredecessor, Culver Line elevated service]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Culver Line elevated service Context triple: [F (New York City Subway service), historicalPredecessor, Culver Line elevated service]
-
A.
Culver Line
chosen
The Culver Line is a New York City Subway route in Brooklyn that primarily carries F trains between central Brooklyn neighborhoods and Manhattan via an elevated and underground corridor.
-
B.
Metropolitan West Side Elevated Railroad
The Metropolitan West Side Elevated Railroad was an early elevated transit line in Chicago that formed part of the city’s first rapid transit system on the West Side.
-
C.
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.
-
D.
Boston Elevated Railway
The Boston Elevated Railway was a former public transit company that operated Boston’s early elevated and streetcar lines before being succeeded by the modern MBTA system known as “the T.”
-
E.
Main Line Elevated
Main Line Elevated was Boston’s original elevated rapid transit line that formed the core of what is now the MBTA Orange 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_69c68887a5cc8190bec0ea96227164f7 |
completed | March 27, 2026, 1:39 p.m. |
| NER | Named-entity recognition | batch_69c6e82ce770819081dccf7ffd50c2ab |
completed | March 27, 2026, 8:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7b8fae30481909c39d68fb828a2c0 |
completed | March 28, 2026, 11:18 a.m. |
Created at: March 27, 2026, 2:47 p.m.