Triple
T19191604
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ninth Avenue Line |
E469851
|
entity |
| Predicate | alsoKnownAs |
P39
|
FINISHED |
| Object | IRT Ninth Avenue Line |
—
|
NE NERFINISHED |
How this triple was built (3 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: IRT Ninth Avenue Line | Statement: [Ninth Avenue Line, alsoKnownAs, IRT Ninth Avenue Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: IRT Ninth Avenue Line Context triple: [Ninth Avenue Line, alsoKnownAs, IRT Ninth Avenue Line]
-
A.
Lenox Avenue Line
The Lenox Avenue Line is a major New York City Subway route in Harlem, Manhattan, primarily served by IRT trains running beneath Lenox Avenue.
-
B.
Jerome Avenue Line
The Jerome Avenue Line is a New York City Subway route in the Bronx, primarily served by the 4 train and running along Jerome Avenue from the Yankee Stadium area toward the northern end of the borough.
-
C.
IRT Nostrand Avenue Line extension
The IRT Nostrand Avenue Line extension was a New York City Subway expansion project that extended service deeper into Brooklyn along Nostrand Avenue beyond its original terminus.
-
D.
IRT East Bronx lines
The IRT East Bronx lines are a group of New York City Subway routes in the Bronx operated by the Interborough Rapid Transit division, serving neighborhoods in the eastern part of the borough.
-
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. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: IRT Ninth Avenue Line Target entity description: The IRT Ninth Avenue Line was New York City's first elevated railway, a pioneering rapid transit line that once ran above Manhattan's Ninth Avenue before being dismantled in the mid-20th century.
-
A.
Lenox Avenue Line
The Lenox Avenue Line is a major New York City Subway route in Harlem, Manhattan, primarily served by IRT trains running beneath Lenox Avenue.
-
B.
Jerome Avenue Line
The Jerome Avenue Line is a New York City Subway route in the Bronx, primarily served by the 4 train and running along Jerome Avenue from the Yankee Stadium area toward the northern end of the borough.
-
C.
IRT Nostrand Avenue Line extension
The IRT Nostrand Avenue Line extension was a New York City Subway expansion project that extended service deeper into Brooklyn along Nostrand Avenue beyond its original terminus.
-
D.
IRT East Bronx lines
The IRT East Bronx lines are a group of New York City Subway routes in the Bronx operated by the Interborough Rapid Transit division, serving neighborhoods in the eastern part of the borough.
-
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. chosen
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_69d8dd0ad9088190a173b32657ae2e7a |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5f8a226dc8190a8a96960a4180298 |
completed | April 20, 2026, 9:57 a.m. |
Created at: April 10, 2026, 12:07 p.m.