Triple

T4604315
Position Surface form Disambiguated ID Type / Status
Subject Manhattan Railway elevated lines E100392 entity
Predicate mainLine P24771 FINISHED
Object Ninth Avenue Line
The Ninth Avenue Line was New York City's first elevated railway, running along Manhattan's West Side and serving as a key component of the early rapid transit system before its eventual demolition.
E469851 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: Ninth Avenue Line | Statement: [Manhattan Railway elevated lines, mainLine, Ninth Avenue Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ninth Avenue Line
Context triple: [Manhattan Railway elevated lines, mainLine, Ninth 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. Sixth Avenue Line
    The Sixth Avenue Line is a major New York City Subway trunk line in Manhattan that primarily carries B, D, F, and M trains along Sixth Avenue.
  • C. 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.
  • D. Second Avenue Line
    The Second Avenue Line is a New York City Subway service planned and built to run primarily beneath Manhattan’s Second Avenue as part of a long-delayed effort to expand the city’s rapid transit network.
  • E. Third Avenue Line
    The Third Avenue Line was a major elevated railway in Manhattan that once formed a key part of New York City's early rapid transit system.
  • 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: Ninth Avenue Line
Triple: [Manhattan Railway elevated lines, mainLine, Ninth Avenue Line]
Generated description
The Ninth Avenue Line was New York City's first elevated railway, running along Manhattan's West Side and serving as a key component of the early rapid transit system before its eventual demolition.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ninth Avenue Line
Target entity description: The Ninth Avenue Line was New York City's first elevated railway, running along Manhattan's West Side and serving as a key component of the early rapid transit system before its eventual demolition.
  • 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. Sixth Avenue Line
    The Sixth Avenue Line is a major New York City Subway trunk line in Manhattan that primarily carries B, D, F, and M trains along Sixth Avenue.
  • C. 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.
  • D. Second Avenue Line
    The Second Avenue Line is a New York City Subway service planned and built to run primarily beneath Manhattan’s Second Avenue as part of a long-delayed effort to expand the city’s rapid transit network.
  • E. Third Avenue Line
    The Third Avenue Line was a major elevated railway in Manhattan that once formed a key part of New York City's early rapid transit system.
  • 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_69bd43cce1e08190a07d53af6a9b6c24 completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd5999f9c88190a43309573df61159 completed March 20, 2026, 2:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69be438d66088190b062c8bf4ceba653 completed March 21, 2026, 7:06 a.m.
NEDg Description generation batch_69be44210b8081908d2de14acf013c54 completed March 21, 2026, 7:09 a.m.
NED2 Entity disambiguation (via description) batch_69be45477cbc8190bbfea83dfc64637f completed March 21, 2026, 7:14 a.m.
Created at: March 20, 2026, 1:12 p.m.