Triple

T1034347
Position Surface form Disambiguated ID Type / Status
Subject Broadway–Seventh Avenue Line E22325 entity
Predicate northTerminus P3375 FINISHED
Object Harlem–148th Street
Harlem–148th Street is a New York City Subway station in Harlem that serves as the northern terminal for certain 3 trains on the IRT Broadway–Seventh Avenue Line.
E211083 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: Harlem–148th Street | Statement: [Broadway–Seventh Avenue Line, northTerminus, Harlem–148th Street]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Harlem–148th Street
Context triple: [Broadway–Seventh Avenue Line, northTerminus, Harlem–148th Street]
  • A. 149th Street–Grand Concourse
    149th Street–Grand Concourse is a major New York City Subway station complex in the Bronx that serves as a key transfer point between multiple lines and connects the South Bronx to Manhattan.
  • B. 125th Street
    125th Street is a major east–west thoroughfare and commercial hub in Harlem, Manhattan, known as the neighborhood’s main street and cultural center.
  • C. 59th Street–Lexington Avenue
    59th Street–Lexington Avenue is a major New York City Subway complex in Midtown Manhattan that serves multiple lines and provides a key transfer point between the Upper East Side and other parts of the city.
  • D. 168th Street–Washington Heights
    168th Street–Washington Heights is a New York City Subway station complex in Upper Manhattan serving as a key transfer point and northern Manhattan terminal for several lines.
  • E. 74th Street–Broadway
    74th Street–Broadway is a major New York City Subway station complex in Queens that serves as a key transfer point between multiple subway lines and local bus routes.
  • 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: Harlem–148th Street
Triple: [Broadway–Seventh Avenue Line, northTerminus, Harlem–148th Street]
Generated description
Harlem–148th Street is a New York City Subway station in Harlem that serves as the northern terminal for certain 3 trains on the IRT Broadway–Seventh Avenue Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Harlem–148th Street
Target entity description: Harlem–148th Street is a New York City Subway station in Harlem that serves as the northern terminal for certain 3 trains on the IRT Broadway–Seventh Avenue Line.
  • A. 149th Street–Grand Concourse
    149th Street–Grand Concourse is a major New York City Subway station complex in the Bronx that serves as a key transfer point between multiple lines and connects the South Bronx to Manhattan.
  • B. 125th Street
    125th Street is a major east–west thoroughfare and commercial hub in Harlem, Manhattan, known as the neighborhood’s main street and cultural center.
  • C. 59th Street–Lexington Avenue
    59th Street–Lexington Avenue is a major New York City Subway complex in Midtown Manhattan that serves multiple lines and provides a key transfer point between the Upper East Side and other parts of the city.
  • D. 168th Street–Washington Heights
    168th Street–Washington Heights is a New York City Subway station complex in Upper Manhattan serving as a key transfer point and northern Manhattan terminal for several lines.
  • E. 74th Street–Broadway
    74th Street–Broadway is a major New York City Subway station complex in Queens that serves as a key transfer point between multiple subway lines and local bus routes.
  • F. None of above. chosen

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_69a493d848848190aed4011b34b2e8d3 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4bb71e7f88190bf33bbe5ef2c68ff completed March 1, 2026, 10:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69adeab2f888819093d2b3e49b105802 completed March 8, 2026, 9:31 p.m.
NEDg Description generation batch_69adeb330fe0819096ac927838b6ee2f completed March 8, 2026, 9:33 p.m.
NED2 Entity disambiguation (via description) batch_69adebb1d7748190b5cd33d163368eae completed March 8, 2026, 9:35 p.m.
Created at: March 1, 2026, 7:41 p.m.