Triple

T3110254
Position Surface form Disambiguated ID Type / Status
Subject Atlantic Coast Line Railroad E64932 entity
Predicate predecessor P97 FINISHED
Object Wilmington and Weldon Railroad
The Wilmington and Weldon Railroad was a 19th-century North Carolina rail line that became a key component of the later Atlantic Coast Line system and was once among the longest railroads in the world.
E326470 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: Wilmington and Weldon Railroad | Statement: [Atlantic Coast Line Railroad, predecessor, Wilmington and Weldon Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Wilmington and Weldon Railroad
Context triple: [Atlantic Coast Line Railroad, predecessor, Wilmington and Weldon Railroad]
  • A. Virginia Central Railroad
    The Virginia Central Railroad was a 19th-century Virginia railway that played a key role in regional transportation and Civil War logistics before becoming a principal predecessor of the Chesapeake and Ohio Railway.
  • B. Richmond, Fredericksburg and Potomac Railroad
    The Richmond, Fredericksburg and Potomac Railroad was a historic rail line in Virginia that served as a key north–south transportation corridor linking Washington, D.C. with Richmond and points south.
  • C. Philadelphia, Wilmington and Baltimore Railroad
    The Philadelphia, Wilmington and Baltimore Railroad was a 19th-century rail line that formed a key segment of the main corridor linking the northeastern United States, particularly connecting Philadelphia with points south.
  • D. Washington and Old Dominion Railroad
    The Washington and Old Dominion Railroad was a regional rail line in Northern Virginia that operated from the 19th to the mid-20th century, later converted into the popular Washington & Old Dominion Railroad Trail.
  • E. 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.
  • 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: Wilmington and Weldon Railroad
Triple: [Atlantic Coast Line Railroad, predecessor, Wilmington and Weldon Railroad]
Generated description
The Wilmington and Weldon Railroad was a 19th-century North Carolina rail line that became a key component of the later Atlantic Coast Line system and was once among the longest railroads in the world.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Wilmington and Weldon Railroad
Target entity description: The Wilmington and Weldon Railroad was a 19th-century North Carolina rail line that became a key component of the later Atlantic Coast Line system and was once among the longest railroads in the world.
  • A. Virginia Central Railroad
    The Virginia Central Railroad was a 19th-century Virginia railway that played a key role in regional transportation and Civil War logistics before becoming a principal predecessor of the Chesapeake and Ohio Railway.
  • B. Richmond, Fredericksburg and Potomac Railroad
    The Richmond, Fredericksburg and Potomac Railroad was a historic rail line in Virginia that served as a key north–south transportation corridor linking Washington, D.C. with Richmond and points south.
  • C. Philadelphia, Wilmington and Baltimore Railroad
    The Philadelphia, Wilmington and Baltimore Railroad was a 19th-century rail line that formed a key segment of the main corridor linking the northeastern United States, particularly connecting Philadelphia with points south.
  • D. Washington and Old Dominion Railroad
    The Washington and Old Dominion Railroad was a regional rail line in Northern Virginia that operated from the 19th to the mid-20th century, later converted into the popular Washington & Old Dominion Railroad Trail.
  • E. 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.
  • 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_69ad857eeaf48190b34ebfdaa7a264cf completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada437c5e08190af22f6fa11cf9252 completed March 8, 2026, 4:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69b20394a8cc8190b114760079f8b0f6 completed March 12, 2026, 12:06 a.m.
NEDg Description generation batch_69b2043430548190a538c183aef44b44 completed March 12, 2026, 12:09 a.m.
NED2 Entity disambiguation (via description) batch_69b204c812f081908fe5733305123c0e completed March 12, 2026, 12:11 a.m.
Created at: March 8, 2026, 3:04 p.m.