Triple

T5582914
Position Surface form Disambiguated ID Type / Status
Subject BMT Fourth Avenue Line E146681 entity
Predicate connectsTo P845 FINISHED
Object Culver Line
The Culver Line is a New York City Subway route in Brooklyn that primarily carries F trains between central Brooklyn neighborhoods and Manhattan via an elevated and underground corridor.
E536304 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: Culver Line | Statement: [BMT Fourth Avenue Line, connectsTo, Culver Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Culver Line
Context triple: [BMT Fourth Avenue Line, connectsTo, Culver Line]
  • A. Hannibal and St. Joseph Railroad
    The Hannibal and St. Joseph Railroad was a pioneering 19th-century rail line in Missouri, notable as one of the first railroads to cross the state and for carrying early Pony Express mail.
  • B. BNSF Railway Monticello Subdivision
    The BNSF Railway Monticello Subdivision is a freight and passenger rail corridor in Minnesota that carries BNSF trains as well as Metro Transit's Northstar commuter rail service between Minneapolis and its northwestern suburbs.
  • C. Alton Line
    The Alton Line is a railway route in southern England that connects the town of Alton in Hampshire with the wider national rail network.
  • D. Burlington Route
    Burlington Route was the popular name for the Chicago, Burlington and Quincy Railroad, a major Midwestern U.S. railroad known for its extensive passenger and freight services.
  • E. Great Western Main Line
    The Great Western Main Line is a major intercity railway route in England that connects London with key cities in the west, including Bristol and South Wales.
  • 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: Culver Line
Triple: [BMT Fourth Avenue Line, connectsTo, Culver Line]
Generated description
The Culver Line is a New York City Subway route in Brooklyn that primarily carries F trains between central Brooklyn neighborhoods and Manhattan via an elevated and underground corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Culver Line
Target entity description: The Culver Line is a New York City Subway route in Brooklyn that primarily carries F trains between central Brooklyn neighborhoods and Manhattan via an elevated and underground corridor.
  • A. Hannibal and St. Joseph Railroad
    The Hannibal and St. Joseph Railroad was a pioneering 19th-century rail line in Missouri, notable as one of the first railroads to cross the state and for carrying early Pony Express mail.
  • B. BNSF Railway Monticello Subdivision
    The BNSF Railway Monticello Subdivision is a freight and passenger rail corridor in Minnesota that carries BNSF trains as well as Metro Transit's Northstar commuter rail service between Minneapolis and its northwestern suburbs.
  • C. Alton Line
    The Alton Line is a railway route in southern England that connects the town of Alton in Hampshire with the wider national rail network.
  • D. Burlington Route
    Burlington Route was the popular name for the Chicago, Burlington and Quincy Railroad, a major Midwestern U.S. railroad known for its extensive passenger and freight services.
  • E. Great Western Main Line
    The Great Western Main Line is a major intercity railway route in England that connects London with key cities in the west, including Bristol and South Wales.
  • 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_69c0090287a08190b4098411effe970c completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c0208333f08190bf0049b6bdd280f5 completed March 22, 2026, 5:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69c04d2aab348190944cca5375e0ddb9 completed March 22, 2026, 8:12 p.m.
NEDg Description generation batch_69c04e879a8c8190942968982223f6e4 completed March 22, 2026, 8:18 p.m.
NED2 Entity disambiguation (via description) batch_69c04f3c31b48190aeefd41bea55d367 completed March 22, 2026, 8:21 p.m.
Created at: March 22, 2026, 3:37 p.m.