Triple
T4561742
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Transportation Act of 1920 |
E121805
|
entity |
| Predicate | includedTitle |
P3254
|
FINISHED |
| Object |
Title I – Return of Railroads to Private Control
Title I – Return of Railroads to Private Control was a section of the Transportation Act of 1920 that set the terms and procedures for ending federal control of U.S. railroads after World War I and restoring them to private ownership and operation.
|
E452584
|
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: Title I – Return of Railroads to Private Control | Statement: [Transportation Act of 1920, includedTitle, Title I – Return of Railroads to Private Control]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Title I – Return of Railroads to Private Control Context triple: [Transportation Act of 1920, includedTitle, Title I – Return of Railroads to Private Control]
-
A.
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.
-
B.
Railroad Revitalization and Regulatory Reform Act
The Railroad Revitalization and Regulatory Reform Act is a 1976 U.S. federal law that restructured and deregulated the railroad industry to restore its financial stability and improve freight rail service.
-
C.
First Rail
First Rail is the rail division of FirstGroup, operating passenger train services and related rail transport operations in the United Kingdom.
-
D.
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.
-
E.
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.
- 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: Title I – Return of Railroads to Private Control Triple: [Transportation Act of 1920, includedTitle, Title I – Return of Railroads to Private Control]
Generated description
Title I – Return of Railroads to Private Control was a section of the Transportation Act of 1920 that set the terms and procedures for ending federal control of U.S. railroads after World War I and restoring them to private ownership and operation.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Title I – Return of Railroads to Private Control Target entity description: Title I – Return of Railroads to Private Control was a section of the Transportation Act of 1920 that set the terms and procedures for ending federal control of U.S. railroads after World War I and restoring them to private ownership and operation.
-
A.
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.
-
B.
Railroad Revitalization and Regulatory Reform Act
The Railroad Revitalization and Regulatory Reform Act is a 1976 U.S. federal law that restructured and deregulated the railroad industry to restore its financial stability and improve freight rail service.
-
C.
First Rail
First Rail is the rail division of FirstGroup, operating passenger train services and related rail transport operations in the United Kingdom.
-
D.
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.
-
E.
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.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: includedTitle Context triple: [Transportation Act of 1920, includedTitle, Title I – Return of Railroads to Private Control]
-
A.
containsTitle
chosen
Indicates that one entity includes or holds another entity’s title as part of its content or metadata.
-
B.
usesTitle
Indicates that one entity refers to or addresses another entity using a specific title or formal designation.
-
C.
providedTitle
Indicates that one entity has supplied or assigned a specific title or designation to another entity.
-
D.
associatedTitle
Indicates that one entity has a title, designation, or formal label that is linked or relevant to another entity.
-
E.
involvesTitle
Indicates that the relationship or action includes or makes reference to a specific title (such as a role, honorific, or formal designation).
- 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_69bd463f156881908a99aca69c5721ac |
completed | March 20, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69bd582f21648190b49284eb61b618c9 |
completed | March 20, 2026, 2:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bdc59b2514819091f3845307cb1c8b |
completed | March 20, 2026, 10:09 p.m. |
| NEDg | Description generation | batch_69bdc66a981c8190a472722af45ce023 |
completed | March 20, 2026, 10:12 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bdc6de076081909d2ad276cc7a1141 |
completed | March 20, 2026, 10:14 p.m. |
| PD | Predicate disambiguation | batch_69bd52254c648190a5144cfe8fa7e409 |
completed | March 20, 2026, 1:56 p.m. |
Created at: March 20, 2026, 1:09 p.m.