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.