Triple

T13040568
Position Surface form Disambiguated ID Type / Status
Subject New England Central Railroad E327178 entity
Predicate hasSubdivision P747 FINISHED
Object Brattleboro Subdivision
Brattleboro Subdivision is a rail line segment operated by the New England Central Railroad, serving freight transportation needs in the Brattleboro, Vermont area.
E1017239 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: Brattleboro Subdivision | Statement: [New England Central Railroad, hasSubdivision, Brattleboro Subdivision]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brattleboro Subdivision
Context triple: [New England Central Railroad, hasSubdivision, Brattleboro Subdivision]
  • A. Mohawk Subdivision
    The Mohawk Subdivision is a key railroad line in upstate New York that forms part of the main passenger and freight corridor between Albany and western New York.
  • B. 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.
  • C. Hudson Subdivision
    The Hudson Subdivision is a key railroad line in New York State that carries passenger and freight trains along the Hudson River corridor, including service through Albany–Rensselaer station.
  • D. Derby Line, Vermont
    Derby Line, Vermont is a small village on the U.S.–Canada border known for its unusually intertwined cross-border layout and shared buildings with its Canadian counterpart, Stanstead, Quebec.
  • E. South Branch Valley Railroad
    The South Branch Valley Railroad is a state-owned short-line railroad in West Virginia that operates freight and popular excursion trains through the scenic South Branch Potomac River valley.
  • 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: Brattleboro Subdivision
Triple: [New England Central Railroad, hasSubdivision, Brattleboro Subdivision]
Generated description
Brattleboro Subdivision is a rail line segment operated by the New England Central Railroad, serving freight transportation needs in the Brattleboro, Vermont area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Brattleboro Subdivision
Target entity description: Brattleboro Subdivision is a rail line segment operated by the New England Central Railroad, serving freight transportation needs in the Brattleboro, Vermont area.
  • A. Mohawk Subdivision
    The Mohawk Subdivision is a key railroad line in upstate New York that forms part of the main passenger and freight corridor between Albany and western New York.
  • B. 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.
  • C. Hudson Subdivision
    The Hudson Subdivision is a key railroad line in New York State that carries passenger and freight trains along the Hudson River corridor, including service through Albany–Rensselaer station.
  • D. Derby Line, Vermont
    Derby Line, Vermont is a small village on the U.S.–Canada border known for its unusually intertwined cross-border layout and shared buildings with its Canadian counterpart, Stanstead, Quebec.
  • E. South Branch Valley Railroad
    The South Branch Valley Railroad is a state-owned short-line railroad in West Virginia that operates freight and popular excursion trains through the scenic South Branch Potomac River valley.
  • 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_69d8076e64308190904fb5c93517c901 completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69d9804d8e3081909584c93df099859a completed April 10, 2026, 10:57 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6cbd2f6a481909fdd418e7ad3cc22 completed May 3, 2026, 4:15 a.m.
NEDg Description generation batch_69f6cd0d21e08190855dcbee000fc25d completed May 3, 2026, 4:20 a.m.
NED2 Entity disambiguation (via description) batch_69f6ce6b220c8190b1f49a9b2bfce692 completed May 3, 2026, 4:26 a.m.
Created at: April 9, 2026, 8:56 p.m.