Triple

T1406609
Position Surface form Disambiguated ID Type / Status
Subject Green Bank, West Virginia E31705 entity
Predicate hasNearbyRailway P25143 FINISHED
Object Durbin and Greenbrier Valley Railroad
The Durbin and Greenbrier Valley Railroad is a heritage railroad in West Virginia that operates scenic tourist excursions through the Allegheny Mountains using historic locomotives and rolling stock.
E161156 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: Durbin and Greenbrier Valley Railroad | Statement: [Green Bank, West Virginia, hasNearbyRailway, Durbin and Greenbrier Valley Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Durbin and Greenbrier Valley Railroad
Context triple: [Green Bank, West Virginia, hasNearbyRailway, Durbin and Greenbrier Valley Railroad]
  • A. Cumberland Valley Railroad
    The Cumberland Valley Railroad was a historic American railroad that operated primarily in south-central Pennsylvania and northern Maryland, playing a key role in regional transportation during the 19th and early 20th centuries.
  • B. Louisville and Nashville Railroad
    The Louisville and Nashville Railroad was a major U.S. railroad company that operated across the southeastern United States from the 19th century into the late 20th century, playing a key role in regional freight and passenger transportation.
  • C. Winchester and Western Railroad
    Winchester and Western Railroad is a regional shortline railroad that operates freight services in parts of the Mid-Atlantic United States, including the South Jersey area.
  • D. Mississippi and Tennessee Railroad
    The Mississippi and Tennessee Railroad was a 19th-century rail line that connected parts of Mississippi with Tennessee, contributing to regional transportation and economic development in the American South.
  • E. Sunbury and Erie Railroad
    The Sunbury and Erie Railroad was a 19th-century Pennsylvania rail line that later became part of the Northern Central Railway 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: Durbin and Greenbrier Valley Railroad
Triple: [Green Bank, West Virginia, hasNearbyRailway, Durbin and Greenbrier Valley Railroad]
Generated description
The Durbin and Greenbrier Valley Railroad is a heritage railroad in West Virginia that operates scenic tourist excursions through the Allegheny Mountains using historic locomotives and rolling stock.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Durbin and Greenbrier Valley Railroad
Target entity description: The Durbin and Greenbrier Valley Railroad is a heritage railroad in West Virginia that operates scenic tourist excursions through the Allegheny Mountains using historic locomotives and rolling stock.
  • A. Cumberland Valley Railroad
    The Cumberland Valley Railroad was a historic American railroad that operated primarily in south-central Pennsylvania and northern Maryland, playing a key role in regional transportation during the 19th and early 20th centuries.
  • B. Louisville and Nashville Railroad
    The Louisville and Nashville Railroad was a major U.S. railroad company that operated across the southeastern United States from the 19th century into the late 20th century, playing a key role in regional freight and passenger transportation.
  • C. Winchester and Western Railroad
    Winchester and Western Railroad is a regional shortline railroad that operates freight services in parts of the Mid-Atlantic United States, including the South Jersey area.
  • D. Mississippi and Tennessee Railroad
    The Mississippi and Tennessee Railroad was a 19th-century rail line that connected parts of Mississippi with Tennessee, contributing to regional transportation and economic development in the American South.
  • E. Sunbury and Erie Railroad
    The Sunbury and Erie Railroad was a 19th-century Pennsylvania rail line that later became part of the Northern Central Railway 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_69a49918e1f88190ba610f9dc8114578 completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c3be10348190ade8a73780d2c008 completed March 1, 2026, 10:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69ace5770ea08190ac91b47a4ed5bf35 completed March 8, 2026, 2:56 a.m.
NEDg Description generation batch_69ace62a94e88190883d25cdb748e8c1 completed March 8, 2026, 2:59 a.m.
NED2 Entity disambiguation (via description) batch_69ace68ab3788190bc3b55dd9a0fe267 completed March 8, 2026, 3:01 a.m.
Created at: March 1, 2026, 7:59 p.m.