Triple

T1078230
Position Surface form Disambiguated ID Type / Status
Subject NRPC E23886 entity
Predicate foundedByAct P23658 FINISHED
Object Rail Passenger Service Act of 1970
The Rail Passenger Service Act of 1970 is the U.S. federal law that created Amtrak (the National Railroad Passenger Corporation) to preserve and manage intercity passenger rail service.
E123488 NE FINISHED

How this triple was built (5 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: Rail Passenger Service Act of 1970 | Statement: [NRPC, foundedByAct, Rail Passenger Service Act of 1970]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Rail Passenger Service Act of 1970
Context triple: [NRPC, foundedByAct, Rail Passenger Service Act of 1970]
  • A. Transport Act 1947
    The Transport Act 1947 was a major piece of post-war British legislation that nationalised the country’s railways, long-distance road haulage, and other key transport services, creating the British Transport Commission.
  • B. Railways Act 1921
    The Railways Act 1921 was a UK law that reorganized and consolidated most of the country's railway companies into four large regional groups, fundamentally reshaping the British railway system.
  • C. Amtrak Reform and Accountability Act of 1997
    The Amtrak Reform and Accountability Act of 1997 is a U.S. federal law that restructured Amtrak’s operations and finances, aiming to improve its efficiency and move it toward greater financial self-sufficiency.
  • D. Hepburn Act regulation of railroads
    The Hepburn Act regulation of railroads was a landmark 1906 U.S. law that greatly strengthened federal oversight of railroad rates and practices by expanding the powers of the Interstate Commerce Commission.
  • E. Transportation Act of 1920
    The Transportation Act of 1920 was a major U.S. federal law that reorganized and returned railroads to private control after World War I, strengthening federal regulation and stabilizing the rail industry.
  • 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: Rail Passenger Service Act of 1970
Triple: [NRPC, foundedByAct, Rail Passenger Service Act of 1970]
Generated description
The Rail Passenger Service Act of 1970 is the U.S. federal law that created Amtrak (the National Railroad Passenger Corporation) to preserve and manage intercity passenger rail service.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Rail Passenger Service Act of 1970
Target entity description: The Rail Passenger Service Act of 1970 is the U.S. federal law that created Amtrak (the National Railroad Passenger Corporation) to preserve and manage intercity passenger rail service.
  • A. Transport Act 1947
    The Transport Act 1947 was a major piece of post-war British legislation that nationalised the country’s railways, long-distance road haulage, and other key transport services, creating the British Transport Commission.
  • B. Railways Act 1921
    The Railways Act 1921 was a UK law that reorganized and consolidated most of the country's railway companies into four large regional groups, fundamentally reshaping the British railway system.
  • C. Amtrak Reform and Accountability Act of 1997
    The Amtrak Reform and Accountability Act of 1997 is a U.S. federal law that restructured Amtrak’s operations and finances, aiming to improve its efficiency and move it toward greater financial self-sufficiency.
  • D. Hepburn Act regulation of railroads
    The Hepburn Act regulation of railroads was a landmark 1906 U.S. law that greatly strengthened federal oversight of railroad rates and practices by expanding the powers of the Interstate Commerce Commission.
  • E. Transportation Act of 1920
    The Transportation Act of 1920 was a major U.S. federal law that reorganized and returned railroads to private control after World War I, strengthening federal regulation and stabilizing the rail industry.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: foundedByAct
Context triple: [NRPC, foundedByAct, Rail Passenger Service Act of 1970]
  • A. foundedByCharterFrom
    Indicates that an entity was formally established through an official charter issued by another entity.
  • B. foundedUnder
    Indicates that an entity was established or created during the tenure, authority, or jurisdiction of another entity (such as a leader, regime, or governing body).
  • C. foundedWith
    Indicates that an entity was established or created together with another entity, typically as co-founders or jointly initiated partners.
  • D. foundedFor
    Indicates that an entity was established or created specifically to serve, support, or benefit another entity or purpose.
  • E. foundedAs
    Indicates the original name or form under which an organization, institution, or entity was first established.
  • F. None of above. chosen

Provenance (7 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_69a493f1ddf48190a99d54b00e99f8ce completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b943b41481909b24050ca7e78971 completed March 1, 2026, 10:10 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac42abc7a08190a34f5b2d393db30e completed March 7, 2026, 3:22 p.m.
NEDg Description generation batch_69ac4336328481908aba0260c6504a1a completed March 7, 2026, 3:24 p.m.
NED2 Entity disambiguation (via description) batch_69ac43b578d48190af1478c9f6c8f712 completed March 7, 2026, 3:26 p.m.
PD Predicate disambiguation batch_69a4b73ba8208190be7f3cef8c18689b completed March 1, 2026, 10:01 p.m.
PDg Predicate description generation batch_69a4b80f0fb08190a19a50e38ae8f16c completed March 1, 2026, 10:05 p.m.
Created at: March 1, 2026, 7:42 p.m.