Triple

T9592600
Position Surface form Disambiguated ID Type / Status
Subject Midway, Kentucky E231451 entity
Predicate hasRailroad P522 FINISHED
Object Lexington and Ohio Railroad (historical)
The Lexington and Ohio Railroad was one of Kentucky’s earliest rail lines, historically connecting Lexington with other regional communities and fostering the growth of towns such as Midway.
 E809100 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: Lexington and Ohio Railroad (historical) | Statement: [Midway, Kentucky, hasRailroad, Lexington and Ohio Railroad (historical)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lexington and Ohio Railroad (historical)
Context triple: [Midway, Kentucky, hasRailroad, Lexington and Ohio Railroad (historical)]
  • A. Covington and Ohio Railroad
    The Covington and Ohio Railroad was a 19th-century American railway company that became part of the Chesapeake and Ohio Railway through consolidation.
  • B. 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.
  • C. Mobile and Ohio Railroad
    The Mobile and Ohio Railroad was a 19th-century American rail line that connected the Gulf Coast to the Midwest, playing a key role in regional commerce and the growth of towns along its route.
  • D. Lebanon Mason Monroe Railroad
    The Lebanon Mason Monroe Railroad is a heritage tourist railway in southwestern Ohio that offers scenic excursion rides on historic trains.
  • E. Atlantic, Tennessee and Ohio Railroad
    The Atlantic, Tennessee and Ohio Railroad was a 19th-century regional rail line in the southeastern United States that connected parts of North Carolina and Tennessee, facilitating transportation and commerce in the post–Civil War era.
  • 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: Lexington and Ohio Railroad (historical)
Triple: [Midway, Kentucky, hasRailroad, Lexington and Ohio Railroad (historical)]
Generated description
The Lexington and Ohio Railroad was one of Kentucky’s earliest rail lines, historically connecting Lexington with other regional communities and fostering the growth of towns such as Midway.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lexington and Ohio Railroad (historical)
Target entity description: The Lexington and Ohio Railroad was one of Kentucky’s earliest rail lines, historically connecting Lexington with other regional communities and fostering the growth of towns such as Midway.
  • A. Covington and Ohio Railroad
    The Covington and Ohio Railroad was a 19th-century American railway company that became part of the Chesapeake and Ohio Railway through consolidation.
  • B. 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.
  • C. Mobile and Ohio Railroad
    The Mobile and Ohio Railroad was a 19th-century American rail line that connected the Gulf Coast to the Midwest, playing a key role in regional commerce and the growth of towns along its route.
  • D. Lebanon Mason Monroe Railroad
    The Lebanon Mason Monroe Railroad is a heritage tourist railway in southwestern Ohio that offers scenic excursion rides on historic trains.
  • E. Atlantic, Tennessee and Ohio Railroad
    The Atlantic, Tennessee and Ohio Railroad was a 19th-century regional rail line in the southeastern United States that connected parts of North Carolina and Tennessee, facilitating transportation and commerce in the post–Civil War era.
  • 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_69ca8482884481908eccdfdf64d6fbf7 completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cd9a11ec7081908dc580de2f369706 completed April 1, 2026, 10:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69d161938e108190aea76d528f9208a2 completed April 4, 2026, 7:08 p.m.
NEDg Description generation batch_69d1624400b8819085b1c1a93cddc3f6 completed April 4, 2026, 7:11 p.m.
NED2 Entity disambiguation (via description) batch_69d162b39c888190ae71b05ee2e132a8 completed April 4, 2026, 7:12 p.m.
Created at: March 30, 2026, 8:07 p.m.