Triple

T5125303
Position Surface form Disambiguated ID Type / Status
Subject Charles Francis Adams Jr. E115568 entity
Predicate notableWork P4 FINISHED
Object Railroads: Their Origin and Problems
Railroads: Their Origin and Problems is a historical and analytical study by Charles Francis Adams Jr. examining the development, economic impact, and regulatory challenges of the American railroad system.
E495723 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: Railroads: Their Origin and Problems | Statement: [Charles Francis Adams Jr., notableWork, Railroads: Their Origin and Problems]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Railroads: Their Origin and Problems
Context triple: [Charles Francis Adams Jr., notableWork, Railroads: Their Origin and Problems]
  • A. Railroads and American Economic Growth
    "Railroads and American Economic Growth" is a landmark economic history study by Robert Fogel that uses quantitative methods to reassess the impact of railroads on 19th-century U.S. economic development.
  • B. United States federal control of railroads
    United States federal control of railroads was the World War I–era period (1917–1920) when the U.S. government temporarily nationalized and centrally managed the country’s railroads to improve efficiency for wartime transportation needs.
  • C. The Permanent Way and Coal-Burning Locomotive Boilers of the United States
    "The Permanent Way and Coal-Burning Locomotive Boilers of the United States" is a 19th-century technical treatise on American railway track construction and steam locomotive boiler design.
  • D. The Standard Railroad of the World
    The Standard Railroad of the World was the proud slogan and nickname of the Pennsylvania Railroad, once one of the largest and most influential railroads in the United States.
  • E. Reading Railroad
    Reading Railroad was a major 19th- and 20th-century American railroad company based in Pennsylvania, best known for transporting anthracite coal and for its iconic place on the U.S. Monopoly game board.
  • 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: Railroads: Their Origin and Problems
Triple: [Charles Francis Adams Jr., notableWork, Railroads: Their Origin and Problems]
Generated description
Railroads: Their Origin and Problems is a historical and analytical study by Charles Francis Adams Jr. examining the development, economic impact, and regulatory challenges of the American railroad system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Railroads: Their Origin and Problems
Target entity description: Railroads: Their Origin and Problems is a historical and analytical study by Charles Francis Adams Jr. examining the development, economic impact, and regulatory challenges of the American railroad system.
  • A. Railroads and American Economic Growth
    "Railroads and American Economic Growth" is a landmark economic history study by Robert Fogel that uses quantitative methods to reassess the impact of railroads on 19th-century U.S. economic development.
  • B. United States federal control of railroads
    United States federal control of railroads was the World War I–era period (1917–1920) when the U.S. government temporarily nationalized and centrally managed the country’s railroads to improve efficiency for wartime transportation needs.
  • C. The Permanent Way and Coal-Burning Locomotive Boilers of the United States
    "The Permanent Way and Coal-Burning Locomotive Boilers of the United States" is a 19th-century technical treatise on American railway track construction and steam locomotive boiler design.
  • D. The Standard Railroad of the World
    The Standard Railroad of the World was the proud slogan and nickname of the Pennsylvania Railroad, once one of the largest and most influential railroads in the United States.
  • E. Reading Railroad
    Reading Railroad was a major 19th- and 20th-century American railroad company based in Pennsylvania, best known for transporting anthracite coal and for its iconic place on the U.S. Monopoly game board.
  • 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_69bd4442ade0819087b9461f892b206b completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd78072b8c81908b5ac3b231f04136 completed March 20, 2026, 4:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69bec4bb52fc8190b4c0cd6bc367e8eb completed March 21, 2026, 4:18 p.m.
NEDg Description generation batch_69bec562d0508190851b5a3307e9405b completed March 21, 2026, 4:20 p.m.
NED2 Entity disambiguation (via description) batch_69bec6478b848190bc09d7f6485681b4 completed March 21, 2026, 4:24 p.m.
Created at: March 20, 2026, 1:42 p.m.