Triple

T3181540
Position Surface form Disambiguated ID Type / Status
Subject New York City Subway D line E66597 entity
Predicate servesStation P839 FINISHED
Object Bay 50th Street
Bay 50th Street is a local New York City Subway station in Brooklyn located near Coney Island on the BMT West End Line.
E475863 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: Bay 50th Street | Statement: [New York City Subway D line, servesStation, Bay 50th Street]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bay 50th Street
Context triple: [New York City Subway D line, servesStation, Bay 50th Street]
  • A. 57th Street
    57th Street is a major east–west thoroughfare in Midtown Manhattan known for its luxury shopping, high-end residences, and prominent commercial buildings.
  • B. 95th Street
    95th Street is a major east–west thoroughfare on Chicago’s South Side that serves as a key local and regional connector, including access to the Dan Ryan Expressway.
  • C. 59th Street
    59th Street is a major east–west thoroughfare in Manhattan, New York City, best known as the southern edge of Central Park and a key commercial and transit corridor.
  • D. 86th Street
    86th Street is a major local subway station on Manhattan’s Upper East Side serving the Lexington Avenue Line.
  • E. 71st Street
    71st Street is a major east–west thoroughfare on Chicago’s South Side that serves as a key commercial and transportation corridor through neighborhoods such as Greater Grand Crossing.
  • 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: Bay 50th Street
Triple: [New York City Subway D line, servesStation, Bay 50th Street]
Generated description
Bay 50th Street is a local New York City Subway station in Brooklyn located near Coney Island on the BMT West End Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bay 50th Street
Target entity description: Bay 50th Street is a local New York City Subway station in Brooklyn located near Coney Island on the BMT West End Line.
  • A. 57th Street
    57th Street is a major east–west thoroughfare in Midtown Manhattan known for its luxury shopping, high-end residences, and prominent commercial buildings.
  • B. 95th Street
    95th Street is a major east–west thoroughfare on Chicago’s South Side that serves as a key local and regional connector, including access to the Dan Ryan Expressway.
  • C. 59th Street
    59th Street is a major east–west thoroughfare in Manhattan, New York City, best known as the southern edge of Central Park and a key commercial and transit corridor.
  • D. 86th Street
    86th Street is a major local subway station on Manhattan’s Upper East Side serving the Lexington Avenue Line.
  • E. 71st Street
    71st Street is a major east–west thoroughfare on Chicago’s South Side that serves as a key commercial and transportation corridor through neighborhoods such as Greater Grand Crossing.
  • 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_69ad8587c1bc8190a2595f2c22ee1001 completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada6bd07888190b680eace8290d821 completed March 8, 2026, 4:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69be67a122ac81909843cd58f3f8f08d completed March 21, 2026, 9:40 a.m.
NEDg Description generation batch_69be6874a1348190ac90c137299d4468 completed March 21, 2026, 9:44 a.m.
NED2 Entity disambiguation (via description) batch_69be68c77c088190a57376c608abe4c0 completed March 21, 2026, 9:45 a.m.
Created at: March 8, 2026, 3:06 p.m.