Triple

T16938524
Position Surface form Disambiguated ID Type / Status
Subject Richmond and Danville Railroad E410887 entity
Predicate connectsWith P37 FINISHED
Object Piedmont Railroad
The Piedmont Railroad was a 19th-century rail line in the American South that formed part of an important transportation corridor later integrated into larger regional railroad systems.
 E1241888 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: Piedmont Railroad | Statement: [Richmond and Danville Railroad, connectsWith, Piedmont Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Piedmont Railroad
Context triple: [Richmond and Danville Railroad, connectsWith, Piedmont Railroad]
  • A. Piedmont and Northern Railway
    The Piedmont and Northern Railway was an early 20th-century electric interurban and freight railroad that operated in the Carolinas and later became part of larger southeastern U.S. rail systems.
  • B. Seaboard System Railroad
    Seaboard System Railroad was a major U.S. freight railroad of the 1980s that consolidated several southeastern carriers and later became part of CSX Transportation.
  • C. Atlanta and West Point Railroad
    The Atlanta and West Point Railroad was a historic rail line in the southeastern United States that connected Atlanta, Georgia to West Point, serving as an important regional freight and passenger route.
  • D. 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.
  • E. North Carolina Railroad
    The North Carolina Railroad is a historic rail corridor running across the state of North Carolina that underpins much of its modern passenger and freight rail service.
  • 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: Piedmont Railroad
Triple: [Richmond and Danville Railroad, connectsWith, Piedmont Railroad]
Generated description
The Piedmont Railroad was a 19th-century rail line in the American South that formed part of an important transportation corridor later integrated into larger regional railroad systems.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Piedmont Railroad
Target entity description: The Piedmont Railroad was a 19th-century rail line in the American South that formed part of an important transportation corridor later integrated into larger regional railroad systems.
  • A. Piedmont and Northern Railway
    The Piedmont and Northern Railway was an early 20th-century electric interurban and freight railroad that operated in the Carolinas and later became part of larger southeastern U.S. rail systems.
  • B. Seaboard System Railroad
    Seaboard System Railroad was a major U.S. freight railroad of the 1980s that consolidated several southeastern carriers and later became part of CSX Transportation.
  • C. Atlanta and West Point Railroad
    The Atlanta and West Point Railroad was a historic rail line in the southeastern United States that connected Atlanta, Georgia to West Point, serving as an important regional freight and passenger route.
  • D. 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.
  • E. North Carolina Railroad
    The North Carolina Railroad is a historic rail corridor running across the state of North Carolina that underpins much of its modern passenger and freight rail service.
  • 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_69d886c886688190967be07322597ac9 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3cf2b88bc8190aeb7b07032478ae3 completed April 18, 2026, 6:36 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00cfe7e75881908f95b1d859dd67e4 completed May 10, 2026, 6:35 p.m.
NEDg Description generation batch_6a00d0b13f1c819091f3f8b966e36214 completed May 10, 2026, 6:38 p.m.
NED2 Entity disambiguation (via description) batch_6a00d1ad6b7081908be76d70ad9e2075 completed May 10, 2026, 6:42 p.m.
Created at: April 10, 2026, 5:30 a.m.