Triple

T3984486
Position Surface form Disambiguated ID Type / Status
Subject BMT Broadway Line E86837 entity
Predicate planningName P53188 FINISHED
Object Broadway–Lexington Avenue route (historical planning name)
The Broadway–Lexington Avenue route was an early proposed configuration for what became part of New York City's BMT Broadway Line, reflecting historical planning concepts for subway service along Broadway and Lexington Avenue.
E404852 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: Broadway–Lexington Avenue route (historical planning name) | Statement: [BMT Broadway Line, planningName, Broadway–Lexington Avenue route (historical planning name)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Broadway–Lexington Avenue route (historical planning name)
Context triple: [BMT Broadway Line, planningName, Broadway–Lexington Avenue route (historical planning name)]
  • A. Eighth Avenue Line in Manhattan
    The Eighth Avenue Line in Manhattan is a major New York City Subway trunk line running under Eighth Avenue, carrying several IND services through Midtown and Upper Manhattan.
  • B. First Avenue in Manhattan
    First Avenue in Manhattan is a major north–south thoroughfare on the East Side of New York City, running through several neighborhoods and serving as a key artery for traffic and public transit.
  • C. Lexington Avenue Local
    Lexington Avenue Local is a New York City Subway service pattern operating local trains along the Lexington Avenue corridor on Manhattan’s East Side.
  • D. Broadway (U.S. Route 9)
    Broadway (U.S. Route 9) is a major north–south thoroughfare in New York City and beyond, forming part of the historic U.S. Route 9 and running through multiple boroughs and communities.
  • E. Dyckman Street (A line)
    Dyckman Street (A line) is a New York City Subway station on the IND Eighth Avenue Line serving the A train in the Inwood neighborhood of Upper Manhattan.
  • 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: Broadway–Lexington Avenue route (historical planning name)
Triple: [BMT Broadway Line, planningName, Broadway–Lexington Avenue route (historical planning name)]
Generated description
The Broadway–Lexington Avenue route was an early proposed configuration for what became part of New York City's BMT Broadway Line, reflecting historical planning concepts for subway service along Broadway and Lexington Avenue.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Broadway–Lexington Avenue route (historical planning name)
Target entity description: The Broadway–Lexington Avenue route was an early proposed configuration for what became part of New York City's BMT Broadway Line, reflecting historical planning concepts for subway service along Broadway and Lexington Avenue.
  • A. Eighth Avenue Line in Manhattan
    The Eighth Avenue Line in Manhattan is a major New York City Subway trunk line running under Eighth Avenue, carrying several IND services through Midtown and Upper Manhattan.
  • B. First Avenue in Manhattan
    First Avenue in Manhattan is a major north–south thoroughfare on the East Side of New York City, running through several neighborhoods and serving as a key artery for traffic and public transit.
  • C. Lexington Avenue Local
    Lexington Avenue Local is a New York City Subway service pattern operating local trains along the Lexington Avenue corridor on Manhattan’s East Side.
  • D. Broadway (U.S. Route 9)
    Broadway (U.S. Route 9) is a major north–south thoroughfare in New York City and beyond, forming part of the historic U.S. Route 9 and running through multiple boroughs and communities.
  • E. Dyckman Street (A line)
    Dyckman Street (A line) is a New York City Subway station on the IND Eighth Avenue Line serving the A train in the Inwood neighborhood of Upper Manhattan.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: planningName
Context triple: [BMT Broadway Line, planningName, Broadway–Lexington Avenue route (historical planning name)]
  • A. plannedUnder
    Indicates that one entity has been scheduled, organized, or arranged to occur within the scope, authority, or framework of another entity.
  • B. planningNation
    Indicates that a nation is responsible for planning, organizing, or coordinating the referenced activity, event, or operation.
  • C. planningStarted
    Indicates that the process of planning for a particular task, project, or event has been initiated.
  • D. locationOfPlanning
    Indicates the place or setting where the planning activity or process occurs.
  • E. planningDocument
    Indicates that an entity serves as or is associated with a document created for planning or outlining future actions, strategies, or activities.
  • F. None of above. chosen

Provenance (7 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_69aed93fd9d4819085d3b2137d2346cb completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefa3ef7ac8190abe02f440ff83c43 completed March 9, 2026, 4:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69b540284d548190821d37b68974a2d2 completed March 14, 2026, 11:02 a.m.
NEDg Description generation batch_69b54126234c8190990cf6df84a83e92 completed March 14, 2026, 11:06 a.m.
NED2 Entity disambiguation (via description) batch_69b5458d736481908ca826fa4fd01b8c completed March 14, 2026, 11:25 a.m.
PD Predicate disambiguation batch_69aef8f492ac819089dbb9436dbcdd2b completed March 9, 2026, 4:44 p.m.
PDg Predicate description generation batch_69aefa3cf4048190837f9ec5fa8e95e3 completed March 9, 2026, 4:50 p.m.
Created at: March 9, 2026, 3:33 p.m.