Triple

T851558
Position Surface form Disambiguated ID Type / Status
Subject N train E18396 entity
Predicate usesLine P1293 FINISHED
Object Fourth Avenue Line
The Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn that carries several services, including the N train, along a north–south corridor.
E176749 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: Fourth Avenue Line | Statement: [N train, usesLine, Fourth Avenue Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Fourth Avenue Line
Context triple: [N train, usesLine, Fourth Avenue Line]
  • A. Eighth Avenue Line
    The Eighth Avenue Line is a major New York City Subway trunk line in Manhattan, primarily served by the A, C, and E trains and known as the system’s first fully independent subway route.
  • B. Purple Line (CTA)
    The Purple Line (CTA) is a rapid transit route in Chicago primarily serving the northern suburbs and Evanston, with express service to downtown during weekday rush hours.
  • C. Lenox Avenue Line
    The Lenox Avenue Line is a major New York City Subway route in Harlem, Manhattan, primarily served by IRT trains running beneath Lenox Avenue.
  • D. Dyre Avenue Line
    The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
  • E. Jerome Avenue Line
    The Jerome Avenue Line is a New York City Subway route in the Bronx, primarily served by the 4 train and running along Jerome Avenue from the Yankee Stadium area toward the northern end of the borough.
  • 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: Fourth Avenue Line
Triple: [N train, usesLine, Fourth Avenue Line]
Generated description
The Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn that carries several services, including the N train, along a north–south corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Fourth Avenue Line
Target entity description: The Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn that carries several services, including the N train, along a north–south corridor.
  • A. Eighth Avenue Line
    The Eighth Avenue Line is a major New York City Subway trunk line in Manhattan, primarily served by the A, C, and E trains and known as the system’s first fully independent subway route.
  • B. Purple Line (CTA)
    The Purple Line (CTA) is a rapid transit route in Chicago primarily serving the northern suburbs and Evanston, with express service to downtown during weekday rush hours.
  • C. Lenox Avenue Line
    The Lenox Avenue Line is a major New York City Subway route in Harlem, Manhattan, primarily served by IRT trains running beneath Lenox Avenue.
  • D. Dyre Avenue Line
    The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
  • E. Jerome Avenue Line
    The Jerome Avenue Line is a New York City Subway route in the Bronx, primarily served by the 4 train and running along Jerome Avenue from the Yankee Stadium area toward the northern end of the borough.
  • 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_69a4938b04208190b82e1df6b572c548 completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4ac22de288190913714d41e5a8e12 completed March 1, 2026, 9:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad36f094888190b3ccb2acb266941c completed March 8, 2026, 8:44 a.m.
NEDg Description generation batch_69ad379a29508190830c885a4bd51445 completed March 8, 2026, 8:47 a.m.
NED2 Entity disambiguation (via description) batch_69ad381cfcf0819093672775ec792c29 completed March 8, 2026, 8:49 a.m.
Created at: March 1, 2026, 7:38 p.m.