Triple
T733199
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | B train |
E14874
|
entity |
| Predicate | serviceStartPoint |
P389
|
FINISHED |
| Object |
Bedford Park Boulevard–Lehman College
Bedford Park Boulevard–Lehman College is a New York City Subway station in the Bronx serving the IND Concourse Line near the Lehman College campus.
|
E119184
|
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: Bedford Park Boulevard–Lehman College | Statement: [B train, serviceStartPoint, Bedford Park Boulevard–Lehman College]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bedford Park Boulevard–Lehman College Context triple: [B train, serviceStartPoint, Bedford Park Boulevard–Lehman College]
-
A.
Henry Hudson Parkway
Henry Hudson Parkway is a scenic north–south highway along the west side of Manhattan in New York City, running beside the Hudson River and forming part of the city’s West Side Highway system.
-
B.
Van Cortlandt Park–242nd Street
Van Cortlandt Park–242nd Street is a New York City Subway station in the Bronx that serves as the northern terminal of the IRT Broadway–Seventh Avenue Line.
-
C.
Forest Hills–71st Avenue
Forest Hills–71st Avenue is a major local and express subway station in Queens, New York City, serving as a key transfer point on the IND Queens Boulevard Line.
-
D.
Bronx River Parkway
The Bronx River Parkway is a historic scenic roadway and parkway in New York that follows the Bronx River through the Bronx and Westchester County, known as one of the first limited-access, landscaped highways in the United States.
-
E.
Queens Boulevard
Queens Boulevard is a major thoroughfare in the New York City borough of Queens, known for its wide lanes, heavy traffic, and history as a dangerous roadway for pedestrians.
- 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: Bedford Park Boulevard–Lehman College Triple: [B train, serviceStartPoint, Bedford Park Boulevard–Lehman College]
Generated description
Bedford Park Boulevard–Lehman College is a New York City Subway station in the Bronx serving the IND Concourse Line near the Lehman College campus.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bedford Park Boulevard–Lehman College Target entity description: Bedford Park Boulevard–Lehman College is a New York City Subway station in the Bronx serving the IND Concourse Line near the Lehman College campus.
-
A.
Henry Hudson Parkway
Henry Hudson Parkway is a scenic north–south highway along the west side of Manhattan in New York City, running beside the Hudson River and forming part of the city’s West Side Highway system.
-
B.
Van Cortlandt Park–242nd Street
Van Cortlandt Park–242nd Street is a New York City Subway station in the Bronx that serves as the northern terminal of the IRT Broadway–Seventh Avenue Line.
-
C.
Forest Hills–71st Avenue
Forest Hills–71st Avenue is a major local and express subway station in Queens, New York City, serving as a key transfer point on the IND Queens Boulevard Line.
-
D.
Bronx River Parkway
The Bronx River Parkway is a historic scenic roadway and parkway in New York that follows the Bronx River through the Bronx and Westchester County, known as one of the first limited-access, landscaped highways in the United States.
-
E.
Queens Boulevard
Queens Boulevard is a major thoroughfare in the New York City borough of Queens, known for its wide lanes, heavy traffic, and history as a dangerous roadway for pedestrians.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: serviceStartPoint Context triple: [B train, serviceStartPoint, Bedford Park Boulevard–Lehman College]
-
A.
startPoint
chosen
Indicates the initial location or position from which an object, path, or action begins.
-
B.
endPoint
Indicates the terminal location, limit, or final state reached by an object, process, or path in a given relationship or action.
-
C.
serviceWith
Indicates that one entity provides or is associated with a particular service offered to or used by another entity.
-
D.
operatesService
Indicates that an agent runs, manages, or provides a particular service.
-
E.
serviceIntroduced
Indicates that a particular service has been launched, made available, or brought into operation at a certain time or context.
- 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_69a4934d9930819099eed80096b0597d |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a66820548190b373deb117187c2c |
completed | March 1, 2026, 8:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac3b9557cc8190be3137aabdd36216 |
completed | March 7, 2026, 2:52 p.m. |
| NEDg | Description generation | batch_69ac3c21404c8190bf12bb730a1acc54 |
completed | March 7, 2026, 2:54 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac3ccb05f0819080aa215cc1fb2430 |
completed | March 7, 2026, 2:57 p.m. |
| PD | Predicate disambiguation | batch_69a4a4f9b7608190bf97c8418a26e632 |
completed | March 1, 2026, 8:43 p.m. |
Created at: March 1, 2026, 7:37 p.m.