Triple

T6211571
Position Surface form Disambiguated ID Type / Status
Subject BMT Sea Beach Line E138881 entity
Predicate hasStation P35 FINISHED
Object 20th Avenue
20th Avenue is a local New York City Subway station in Brooklyn serving the BMT Sea Beach Line.
 E577863 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: 20th Avenue | Statement: [BMT Sea Beach Line, hasStation, 20th Avenue]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 20th Avenue
Context triple: [BMT Sea Beach Line, hasStation, 20th Avenue]
  • A. 18th Avenue
    18th Avenue is a local New York City Subway station in Brooklyn served by the BMT Sea Beach Line (N train).
  • B. 20th Street
    20th Street is an east–west thoroughfare in Manhattan, New York City, running through neighborhoods including the Flatiron District.
  • C. 36th Avenue
    36th Avenue is a New York City Subway station in Astoria, Queens, served by the N and W trains on the BMT Astoria Line.
  • D. 32nd Avenue
    32nd Avenue is a north–south residential street in San Francisco’s Richmond District, intersecting major east–west corridors such as California Street.
  • E. Twelfth Avenue
    Twelfth Avenue is a major north–south thoroughfare on Manhattan’s West Side that forms part of New York City’s West Side Highway and runs along the Hudson River.
  • 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: 20th Avenue
Triple: [BMT Sea Beach Line, hasStation, 20th Avenue]
Generated description
20th Avenue is a local New York City Subway station in Brooklyn serving the BMT Sea Beach Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: 20th Avenue
Target entity description: 20th Avenue is a local New York City Subway station in Brooklyn serving the BMT Sea Beach Line.
  • A. 18th Avenue
    18th Avenue is a local New York City Subway station in Brooklyn served by the BMT Sea Beach Line (N train).
  • B. 20th Street
    20th Street is an east–west thoroughfare in Manhattan, New York City, running through neighborhoods including the Flatiron District.
  • C. 36th Avenue
    36th Avenue is a New York City Subway station in Astoria, Queens, served by the N and W trains on the BMT Astoria Line.
  • D. 32nd Avenue
    32nd Avenue is a north–south residential street in San Francisco’s Richmond District, intersecting major east–west corridors such as California Street.
  • E. Twelfth Avenue
    Twelfth Avenue is a major north–south thoroughfare on Manhattan’s West Side that forms part of New York City’s West Side Highway and runs along the Hudson River.
  • 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_69c008ada364819096c9e92c74d639b5 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c0628adccc8190b94f5c2c1d5d03f7 completed March 22, 2026, 9:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69c20da55e3c81909a61471b38e88894 completed March 24, 2026, 4:05 a.m.
NEDg Description generation batch_69c2138258c88190a953345a34ba70ed completed March 24, 2026, 4:30 a.m.
NED2 Entity disambiguation (via description) batch_69c21434d18c81909b5921db80090e8e completed March 24, 2026, 4:33 a.m.
Created at: March 22, 2026, 4:21 p.m.