Triple

T17050420
Position Surface form Disambiguated ID Type / Status
Subject William Peters Hepburn E413678 entity
Predicate sponsorOf P1807 FINISHED
Object Hepburn Act of 1906 E413675 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Hepburn Act of 1906 | Statement: [William Peters Hepburn, sponsorOf, Hepburn Act of 1906]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hepburn Act of 1906
Context triple: [William Peters Hepburn, sponsorOf, Hepburn Act of 1906]
  • A. Hepburn Act chosen
    The Hepburn Act was a 1906 U.S. federal law that significantly strengthened the Interstate Commerce Commission’s power to regulate railroad rates and practices as part of Theodore Roosevelt’s Progressive Era reforms.
  • B. Weeks Act of 1911
    The Weeks Act of 1911 is a landmark U.S. conservation law that authorized federal purchase of private lands to create and expand national forests, especially in the eastern United States, to protect watersheds and regulate streamflow.
  • C. Pittman Act of 1918
    The Pittman Act of 1918 was a U.S. law that authorized the melting of millions of silver dollars and the subsequent purchase of domestic silver, reshaping American silver coinage and mining policy in the early 20th century.
  • D. Elkins Act
    The Elkins Act was a 1903 U.S. federal law that strengthened regulation of railroads by prohibiting discriminatory rebates and reinforcing the authority of the Interstate Commerce Commission.
  • E. McFadden Act of 1927
    The McFadden Act of 1927 was a U.S. federal law that regulated national banks’ branching and effectively restricted interstate banking, helping to shape the geographically fragmented structure of American banking for much of the 20th century.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d886cde3d481908d4d01ba88ba7eb7 elicitation completed
NER batch_69e3daa1aeac81909e8d97bd708c6b71 ner completed
NED1 batch_6a0139f17a5481908896c1c6ff326c2f ned_source_triple completed
Created at: April 10, 2026, 5:34 a.m.