Triple

T448457
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Empire Corridor E7073 entity
Predicate usesService P1294 FINISHED
Object Carolinian (New York segment)
The Carolinian (New York segment) is the portion of Amtrak’s Carolinian train route that operates in New York State as part of the broader Empire Corridor passenger rail network.
E56058 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: Carolinian (New York segment) | Statement: [Amtrak Empire Corridor, usesService, Carolinian (New York segment)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Carolinian (New York segment)
Context triple: [Amtrak Empire Corridor, usesService, Carolinian (New York segment)]
  • A. Trenton Line
    Trenton Line is a commuter rail service in the Philadelphia region operated by SEPTA Regional Rail, connecting Center City Philadelphia with Trenton, New Jersey.
  • B. Pelham Line
    The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
  • C. Bergen County Line
    The Bergen County Line is a commuter rail line in northern New Jersey that provides passenger service between Hoboken and various communities in Bergen County as part of the NJ Transit rail network.
  • D. White Plains Road Line
    The White Plains Road Line is a major New York City Subway route in the Bronx, primarily served by the 2 and 5 trains and running along White Plains Road.
  • E. Hempstead Branch
    The Hempstead Branch is a commuter rail line of the Long Island Rail Road in New York, serving communities between Hempstead and points in Queens and Manhattan.
  • 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: Carolinian (New York segment)
Triple: [Amtrak Empire Corridor, usesService, Carolinian (New York segment)]
Generated description
The Carolinian (New York segment) is the portion of Amtrak’s Carolinian train route that operates in New York State as part of the broader Empire Corridor passenger rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Carolinian (New York segment)
Target entity description: The Carolinian (New York segment) is the portion of Amtrak’s Carolinian train route that operates in New York State as part of the broader Empire Corridor passenger rail network.
  • A. Trenton Line
    Trenton Line is a commuter rail service in the Philadelphia region operated by SEPTA Regional Rail, connecting Center City Philadelphia with Trenton, New Jersey.
  • B. Pelham Line
    The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
  • C. Bergen County Line
    The Bergen County Line is a commuter rail line in northern New Jersey that provides passenger service between Hoboken and various communities in Bergen County as part of the NJ Transit rail network.
  • D. White Plains Road Line
    The White Plains Road Line is a major New York City Subway route in the Bronx, primarily served by the 2 and 5 trains and running along White Plains Road.
  • E. Hempstead Branch
    The Hempstead Branch is a commuter rail line of the Long Island Rail Road in New York, serving communities between Hempstead and points in Queens and Manhattan.
  • 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_69a2e7e4676c81909ea0dbdecac0687c completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2f01d8fa88190849d720b029db479 completed Feb. 28, 2026, 1:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69a442a899d08190a0e3f04bffd4aca3 completed March 1, 2026, 1:44 p.m.
NEDg Description generation batch_69a443036cc08190b81887e86282c7a4 completed March 1, 2026, 1:45 p.m.
NED2 Entity disambiguation (via description) batch_69a4435f90588190a72a99509b4ab418 completed March 1, 2026, 1:47 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.