Triple

T2865407
Position Surface form Disambiguated ID Type / Status
Subject Chesapeake and Ohio Railway E63425 entity
Predicate notableRoute P22 FINISHED
Object Hinton–Thurmond–Handley coal route
The Hinton–Thurmond–Handley coal route was a key Chesapeake and Ohio Railway line in West Virginia that transported coal from the New River coalfields along the New River Gorge to markets beyond.
E305226 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: Hinton–Thurmond–Handley coal route | Statement: [Chesapeake and Ohio Railway, notableRoute, Hinton–Thurmond–Handley coal route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hinton–Thurmond–Handley coal route
Context triple: [Chesapeake and Ohio Railway, notableRoute, Hinton–Thurmond–Handley coal route]
  • A. Sounder South Line
    The Sounder South Line is a commuter rail service in the Seattle metropolitan area that connects downtown Seattle with communities to the south in Washington State.
  • B. 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.
  • C. 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.
  • D. Panhandle Route
    The Panhandle Route was a major American railroad line operated by the Pittsburgh, Cincinnati, Chicago and St. Louis Railroad that connected key Midwestern and Eastern cities as part of the Pennsylvania Railroad system.
  • E. 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.
  • 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: Hinton–Thurmond–Handley coal route
Triple: [Chesapeake and Ohio Railway, notableRoute, Hinton–Thurmond–Handley coal route]
Generated description
The Hinton–Thurmond–Handley coal route was a key Chesapeake and Ohio Railway line in West Virginia that transported coal from the New River coalfields along the New River Gorge to markets beyond.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hinton–Thurmond–Handley coal route
Target entity description: The Hinton–Thurmond–Handley coal route was a key Chesapeake and Ohio Railway line in West Virginia that transported coal from the New River coalfields along the New River Gorge to markets beyond.
  • A. Sounder South Line
    The Sounder South Line is a commuter rail service in the Seattle metropolitan area that connects downtown Seattle with communities to the south in Washington State.
  • B. 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.
  • C. 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.
  • D. Panhandle Route
    The Panhandle Route was a major American railroad line operated by the Pittsburgh, Cincinnati, Chicago and St. Louis Railroad that connected key Midwestern and Eastern cities as part of the Pennsylvania Railroad system.
  • E. 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.
  • 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_69ab4c42fb8c8190b36e161d47c03b81 completed March 6, 2026, 9:50 p.m.
NER Named-entity recognition batch_69abdfb9e64c819087b1a47caeb174d5 completed March 7, 2026, 8:20 a.m.
NED1 Entity disambiguation (via context triple) batch_69b01da458ec8190ae07237d7e23b302 completed March 10, 2026, 1:33 p.m.
NEDg Description generation batch_69b01e45f6e481908665e0961c3a3778 completed March 10, 2026, 1:36 p.m.
NED2 Entity disambiguation (via description) batch_69b0224832108190be252c0245d588d2 completed March 10, 2026, 1:53 p.m.
Created at: March 6, 2026, 10:02 p.m.