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.