Triple
T13025152
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BMT West End Line |
E326284
|
entity |
| Predicate | historicalPredecessor |
P97
|
FINISHED |
| Object |
Brooklyn, Bath and Coney Island Railroad
The Brooklyn, Bath and Coney Island Railroad was a 19th-century steam railroad in Brooklyn that provided early passenger service to Coney Island and later formed part of New York City's rapid transit system.
|
E449827
|
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: Brooklyn, Bath and Coney Island Railroad | Statement: [BMT West End Line, historicalPredecessor, Brooklyn, Bath and Coney Island Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Brooklyn, Bath and Coney Island Railroad Context triple: [BMT West End Line, historicalPredecessor, Brooklyn, Bath and Coney Island Railroad]
-
A.
Coney Island and Brooklyn Railroad
The Coney Island and Brooklyn Railroad was a historic streetcar and rapid transit line in Brooklyn, New York, that played a key role in connecting urban neighborhoods with the Coney Island amusement area in the late 19th and early 20th centuries.
-
B.
Brooklyn, Flatbush and Coney Island Railway
The Brooklyn, Flatbush and Coney Island Railway was a 19th-century steam railroad in Brooklyn that evolved into part of today’s New York City Subway system.
-
C.
Brooklyn and Jamaica Railroad
The Brooklyn and Jamaica Railroad was a 19th-century rail line in New York that formed part of the early backbone of Long Island’s rail network and later became integrated into what is now the Long Island Rail Road system.
-
D.
Brooklyn Heights Railroad
The Brooklyn Heights Railroad was a historic streetcar company that operated trolley lines in Brooklyn, New York, during the late 19th and early 20th centuries.
-
E.
Brooklyn Rapid Transit Company
The Brooklyn Rapid Transit Company was a major early 20th-century transit operator in New York City that controlled and integrated many of Brooklyn’s elevated and streetcar lines before becoming part of the city’s unified subway system.
- 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: Brooklyn, Bath and Coney Island Railroad Triple: [BMT West End Line, historicalPredecessor, Brooklyn, Bath and Coney Island Railroad]
Generated description
The Brooklyn, Bath and Coney Island Railroad was a 19th-century steam railroad in Brooklyn that provided early passenger service to Coney Island and later formed part of New York City's rapid transit system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Brooklyn, Bath and Coney Island Railroad Target entity description: The Brooklyn, Bath and Coney Island Railroad was a 19th-century steam railroad in Brooklyn that provided early passenger service to Coney Island and later formed part of New York City's rapid transit system.
-
A.
Coney Island and Brooklyn Railroad
The Coney Island and Brooklyn Railroad was a historic streetcar and rapid transit line in Brooklyn, New York, that played a key role in connecting urban neighborhoods with the Coney Island amusement area in the late 19th and early 20th centuries.
-
B.
Brooklyn, Flatbush and Coney Island Railway
chosen
The Brooklyn, Flatbush and Coney Island Railway was a 19th-century steam railroad in Brooklyn that evolved into part of today’s New York City Subway system.
-
C.
Brooklyn and Jamaica Railroad
The Brooklyn and Jamaica Railroad was a 19th-century rail line in New York that formed part of the early backbone of Long Island’s rail network and later became integrated into what is now the Long Island Rail Road system.
-
D.
Brooklyn Heights Railroad
The Brooklyn Heights Railroad was a historic streetcar company that operated trolley lines in Brooklyn, New York, during the late 19th and early 20th centuries.
-
E.
Brooklyn Rapid Transit Company
The Brooklyn Rapid Transit Company was a major early 20th-century transit operator in New York City that controlled and integrated many of Brooklyn’s elevated and streetcar lines before becoming part of the city’s unified subway system.
- F. None of above.
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_69d8076cc45c81908123123f43e69266 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69d97efac71881908a21d70c3c6ce099 |
completed | April 10, 2026, 10:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6c11c1f6c8190be1c570a7e44a313 |
completed | May 3, 2026, 3:29 a.m. |
| NEDg | Description generation | batch_69f6c20aff008190a1a10ac02ed08726 |
completed | May 3, 2026, 3:33 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6c2de143c81908164f5df2b92e5c3 |
completed | May 3, 2026, 3:37 a.m. |
Created at: April 9, 2026, 8:53 p.m.