Triple
T708027
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 57th Street–Seventh Avenue station |
E14143
|
entity |
| Predicate | division |
P889
|
FINISHED |
| Object |
BMT Division
The BMT Division is a former Brooklyn–Manhattan Transit-operated section of the New York City Subway system, encompassing lines originally built and run by the BMT before unification.
|
E97262
|
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: BMT Division | Statement: [57th Street–Seventh Avenue station, division, BMT Division]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BMT Division Context triple: [57th Street–Seventh Avenue station, division, BMT Division]
-
A.
BMT Division
BMT Division is a specialized organizational unit focused on bone marrow transplantation and related hematologic treatments.
-
B.
BMT Broadway Line
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 Nassau Street Line
The BMT Nassau Street Line is a New York City Subway line in Lower Manhattan that primarily carries J and Z trains through the Financial District.
-
D.
Interborough Rapid Transit Company
The Interborough Rapid Transit Company was the private operator that built and ran New York City's first subway lines in the early 20th century before they were incorporated into the modern NYC Subway system.
-
E.
Metropolitan Transportation Authority
The Metropolitan Transportation Authority is the public agency responsible for operating and overseeing much of the mass transit and commuter rail systems in the New York City metropolitan area.
- 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: BMT Division Triple: [57th Street–Seventh Avenue station, division, BMT Division]
Generated description
The BMT Division is a former Brooklyn–Manhattan Transit-operated section of the New York City Subway system, encompassing lines originally built and run by the BMT before unification.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: BMT Division Target entity description: The BMT Division is a former Brooklyn–Manhattan Transit-operated section of the New York City Subway system, encompassing lines originally built and run by the BMT before unification.
-
A.
BMT Division
BMT Division is a specialized organizational unit focused on bone marrow transplantation and related hematologic treatments.
-
B.
BMT Broadway Line
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 Nassau Street Line
The BMT Nassau Street Line is a New York City Subway line in Lower Manhattan that primarily carries J and Z trains through the Financial District.
-
D.
Interborough Rapid Transit Company
The Interborough Rapid Transit Company was the private operator that built and ran New York City's first subway lines in the early 20th century before they were incorporated into the modern NYC Subway system.
-
E.
Metropolitan Transportation Authority
The Metropolitan Transportation Authority is the public agency responsible for operating and overseeing much of the mass transit and commuter rail systems in the New York City metropolitan area.
- 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_69a493494ec48190ae6751683625a9ba |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a548e6dc819090d31ce33493a396 |
completed | March 1, 2026, 8:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a76d71a25c81908de9b9e59affb79f |
completed | March 3, 2026, 11:23 p.m. |
| NEDg | Description generation | batch_69a78586d5a48190a1423bb4a8fc86b9 |
completed | March 4, 2026, 1:06 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a785db28d48190a8f945598a3396d6 |
completed | March 4, 2026, 1:07 a.m. |
Created at: March 1, 2026, 7:36 p.m.