Triple
T1273355
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail |
E15757
|
entity |
| Predicate | privatisationLegislation |
P3136
|
FINISHED |
| Object |
Railways Act 1993
The Railways Act 1993 is a UK law that broke up and privatised the state-owned British Rail, creating a new structure of private train operators and separate infrastructure management.
|
E144351
|
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: Railways Act 1993 | Statement: [British Rail, privatisationLegislation, Railways Act 1993]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Railways Act 1993 Context triple: [British Rail, privatisationLegislation, Railways Act 1993]
-
A.
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.
-
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.
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.
-
E.
Federal Railroad Safety Act
The Federal Railroad Safety Act is a U.S. law that establishes nationwide standards and regulatory authority to promote and enforce the safety of railroad operations.
- 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: Railways Act 1993 Triple: [British Rail, privatisationLegislation, Railways Act 1993]
Generated description
The Railways Act 1993 is a UK law that broke up and privatised the state-owned British Rail, creating a new structure of private train operators and separate infrastructure management.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Railways Act 1993 Target entity description: The Railways Act 1993 is a UK law that broke up and privatised the state-owned British Rail, creating a new structure of private train operators and separate infrastructure management.
-
A.
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.
-
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.
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.
-
E.
Federal Railroad Safety Act
The Federal Railroad Safety Act is a U.S. law that establishes nationwide standards and regulatory authority to promote and enforce the safety of railroad operations.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: privatisationLegislation Context triple: [British Rail, privatisationLegislation, Railways Act 1993]
-
A.
privatizedOn
Indicates the date or point in time when an entity transitioned from public or state ownership/control to private ownership/control.
-
B.
relatedLegislation
chosen
Indicates that there exists a legislative document that is connected to, affects, or is otherwise relevant to the subject entity.
-
C.
legislatedUnder
Indicates that a law, regulation, or policy was created, enacted, or established according to the authority, framework, or provisions of a specific higher-level law or legal regime.
-
D.
passedLegislation
Indicates that a governing body has formally approved and enacted a specific piece of legislation or law.
-
E.
areaOfLegislation
Indicates that one entity defines, concerns, or governs the legal domain or subject matter covered by another entity.
- F. None of above.
Provenance (6 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_69a4935a94308190bb92555b79032824 |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4c31602b8819087a57e8d390cae7a |
completed | March 1, 2026, 10:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac998e56488190ac3cf51563335e30 |
completed | March 7, 2026, 9:33 p.m. |
| NEDg | Description generation | batch_69ac9a14a53481908c45e4e6609a368e |
completed | March 7, 2026, 9:35 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac9a98788881909e316322af87b848 |
completed | March 7, 2026, 9:37 p.m. |
| PD | Predicate disambiguation | batch_69a4bee0be808190a8ccac6a41851fdd |
completed | March 1, 2026, 10:34 p.m. |
Created at: March 1, 2026, 7:50 p.m.