Triple
T509402
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 2 train |
E10571
|
entity |
| Predicate | serviceArea |
P82
|
FINISHED |
| Object |
Bronx–Manhattan–Brooklyn corridor
The Bronx–Manhattan–Brooklyn corridor is a major New York City transit axis linking the Bronx through Manhattan to Brooklyn, heavily served by subway lines and other urban transportation.
|
E65547
|
NE FINISHED |
How this triple was built (4 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: Bronx–Manhattan–Brooklyn corridor | Statement: [2 train, serviceArea, Bronx–Manhattan–Brooklyn corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bronx–Manhattan–Brooklyn corridor Context triple: [2 train, serviceArea, Bronx–Manhattan–Brooklyn corridor]
-
A.
Nostrand Avenue Line
The Nostrand Avenue Line is a New York City Subway route in Brooklyn that branches off the IRT Eastern Parkway Line to serve neighborhoods along Nostrand Avenue, terminating at Flatbush Avenue–Brooklyn College.
-
B.
Queens Boulevard Line
The Queens Boulevard Line is a major trunk line of the New York City Subway in Queens, carrying multiple services through some of the borough’s busiest residential and commercial corridors.
-
C.
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.
-
D.
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.
-
E.
Flushing Line
The Flushing Line is a New York City Subway service in Queens and Manhattan, best known today as the 7 train running between Flushing–Main Street and Hudson Yards.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Bronx–Manhattan–Brooklyn corridor Triple: [2 train, serviceArea, Bronx–Manhattan–Brooklyn corridor]
Generated description
The Bronx–Manhattan–Brooklyn corridor is a major New York City transit axis linking the Bronx through Manhattan to Brooklyn, heavily served by subway lines and other urban transportation.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bronx–Manhattan–Brooklyn corridor Target entity description: The Bronx–Manhattan–Brooklyn corridor is a major New York City transit axis linking the Bronx through Manhattan to Brooklyn, heavily served by subway lines and other urban transportation.
-
A.
Nostrand Avenue Line
The Nostrand Avenue Line is a New York City Subway route in Brooklyn that branches off the IRT Eastern Parkway Line to serve neighborhoods along Nostrand Avenue, terminating at Flatbush Avenue–Brooklyn College.
-
B.
Queens Boulevard Line
The Queens Boulevard Line is a major trunk line of the New York City Subway in Queens, carrying multiple services through some of the borough’s busiest residential and commercial corridors.
-
C.
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.
-
D.
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.
-
E.
Flushing Line
The Flushing Line is a New York City Subway service in Queens and Manhattan, best known today as the 7 train running between Flushing–Main Street and Hudson Yards.
- F. None of above. chosen
Provenance (5 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_69a2e848adf881908e5e04f7af030093 |
completed | Feb. 28, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69a2f164a9d48190b525a97b5c06ffe2 |
completed | Feb. 28, 2026, 1:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4b23bf69481908db3a0f3de8c2bf1 |
completed | March 1, 2026, 9:40 p.m. |
| NEDg | Description generation | batch_69a4b2c975ec8190bc16f146f89c3f05 |
completed | March 1, 2026, 9:42 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a4b343f8f88190bd011924dd485bef |
completed | March 1, 2026, 9:44 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.