Triple
T13457019
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | IND/BMT large-profile cars |
E311261
|
entity |
| Predicate | usedOnLine |
P15252
|
FINISHED |
| Object | IND Eighth Avenue Line |
E35963
|
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: IND Eighth Avenue Line | Statement: [IND/BMT large-profile cars, usedOnLine, IND Eighth Avenue Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: IND Eighth Avenue Line Context triple: [IND/BMT large-profile cars, usedOnLine, IND Eighth Avenue Line]
-
A.
IND Sixth Avenue Line
The IND Sixth Avenue Line is a major New York City Subway trunk line in Manhattan running primarily beneath Sixth Avenue and served by several B Division routes.
-
B.
Eighth Avenue Line
chosen
The Eighth Avenue Line is a major New York City Subway trunk line in Manhattan, primarily served by the A, C, and E trains and known as the system’s first fully independent subway route.
-
C.
IND Concourse Line
The IND Concourse Line is a New York City Subway line in the Bronx that primarily carries B and D trains and connects the borough to Manhattan via the IND Eighth Avenue Line.
-
D.
Ninth Avenue Line
The Ninth Avenue Line was New York City's first elevated railway, running along Manhattan's West Side and serving as a key component of the early rapid transit system before its eventual demolition.
-
E.
IND Eighth Avenue Line and IND Sixth Avenue Line
The IND Eighth Avenue Line and IND Sixth Avenue Line are two major New York City Subway trunk lines in Manhattan that run roughly north–south on their respective avenues and share key transfer points such as West Fourth Street–Washington Square.
- 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_69d806a938b8819097ec43a2229fc7f9 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69dbaf0a75008190a508060c85f73604 |
completed | April 12, 2026, 2:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f7462522c88190a6a6e2e2292e2414 |
completed | May 3, 2026, 12:57 p.m. |
Created at: April 9, 2026, 9:41 p.m.