Triple
T13958340
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Brooklyn & Queens Transit Corporation |
E335725
|
entity |
| Predicate | operatedStreetcarNetwork |
P80172
|
FINISHED |
| Object |
Brooklyn streetcar system
The Brooklyn streetcar system was an extensive network of electric streetcar lines that once provided primary public transit service throughout Brooklyn, New York City, before being largely replaced by buses and subways in the mid-20th century.
|
E1071376
|
NE FINISHED |
How this triple was built (5 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 streetcar system | Statement: [Brooklyn & Queens Transit Corporation, operatedStreetcarNetwork, Brooklyn streetcar system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Brooklyn streetcar system Context triple: [Brooklyn & Queens Transit Corporation, operatedStreetcarNetwork, Brooklyn streetcar system]
-
A.
Brooklyn streetcar
The Brooklyn streetcar is a preserved historic trolley car from Brooklyn, New York, now operated as part of San Francisco’s vintage streetcar fleet.
-
B.
Brooklyn Elevated Railroad
The Brooklyn Elevated Railroad was a late 19th- and early 20th-century elevated railway company in Brooklyn, New York City, that operated several rapid transit lines before being absorbed into the city’s unified transit system.
-
C.
Brooklyn IRT lines
The Brooklyn IRT lines are a group of New York City Subway routes in Brooklyn that were originally built and operated by the Interborough Rapid Transit Company as part of its early rapid transit network.
-
D.
Brooklyn–Manhattan service
Brooklyn–Manhattan service is a New York City Subway service pattern that operates trains between Brooklyn and Manhattan along the BMT Jamaica Line and connecting routes.
-
E.
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.
- 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 streetcar system Triple: [Brooklyn & Queens Transit Corporation, operatedStreetcarNetwork, Brooklyn streetcar system]
Generated description
The Brooklyn streetcar system was an extensive network of electric streetcar lines that once provided primary public transit service throughout Brooklyn, New York City, before being largely replaced by buses and subways in the mid-20th century.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Brooklyn streetcar system Target entity description: The Brooklyn streetcar system was an extensive network of electric streetcar lines that once provided primary public transit service throughout Brooklyn, New York City, before being largely replaced by buses and subways in the mid-20th century.
-
A.
Brooklyn streetcar
The Brooklyn streetcar is a preserved historic trolley car from Brooklyn, New York, now operated as part of San Francisco’s vintage streetcar fleet.
-
B.
Brooklyn Elevated Railroad
The Brooklyn Elevated Railroad was a late 19th- and early 20th-century elevated railway company in Brooklyn, New York City, that operated several rapid transit lines before being absorbed into the city’s unified transit system.
-
C.
Brooklyn IRT lines
The Brooklyn IRT lines are a group of New York City Subway routes in Brooklyn that were originally built and operated by the Interborough Rapid Transit Company as part of its early rapid transit network.
-
D.
Brooklyn–Manhattan service
Brooklyn–Manhattan service is a New York City Subway service pattern that operates trains between Brooklyn and Manhattan along the BMT Jamaica Line and connecting routes.
-
E.
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.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: operatedStreetcarNetwork Context triple: [Brooklyn & Queens Transit Corporation, operatedStreetcarNetwork, Brooklyn streetcar system]
-
A.
hasStreetcarSystem
Indicates that a place possesses or is served by an operational streetcar (tram) transit system.
-
B.
tramOperator
chosen
Indicates that one entity operates, manages, or runs tram services for another entity or area.
-
C.
hasLightRailSystem
Indicates that a place possesses and operates a light rail transit system.
-
D.
hasTramway
Indicates that a location or area is served by, contains, or is connected to a tramway system.
-
E.
railFranchise
Indicates a contractual relationship in which a company is granted the right to operate rail services or manage rail infrastructure within a specified area or route.
- F. None of above.
Provenance (6 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_69d81c61f3508190aaf2ca0dc0002c59 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de2e7a34f08190aa0d88b66154f268 |
completed | April 14, 2026, 12:09 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fba1d490048190b28cb44dd4ec46c4 |
completed | May 6, 2026, 8:17 p.m. |
| NEDg | Description generation | batch_69fba5646cb48190acd932f6fbd6fe62 |
completed | May 6, 2026, 8:32 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fba6525d0c8190a1ab15881030c11c |
completed | May 6, 2026, 8:36 p.m. |
| PD | Predicate disambiguation | batch_69de05a3ccf88190b45c742db483fa08 |
completed | April 14, 2026, 9:15 a.m. |
Created at: April 9, 2026, 10:17 p.m.