Triple

T106462
Position Surface form Disambiguated ID Type / Status
Subject Union Pacific Railroad E2147 entity
Predicate foundedBy P104 FINISHED
Object Union Pacific Railway Act of 1862
The Union Pacific Railway Act of 1862 was a landmark U.S. federal law that authorized construction of the first transcontinental railroad and provided government support through land grants and bonds.
 E11064 NE FINISHED

How this triple was built (4 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: Union Pacific Railway Act of 1862 | Statement: [Union Pacific Railroad, foundedBy, Union Pacific Railway Act of 1862]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Union Pacific Railway Act of 1862
Context triple: [Union Pacific Railroad, foundedBy, Union Pacific Railway Act of 1862]
  • A. Judiciary Act of 1891
    The Judiciary Act of 1891 was a landmark U.S. federal statute that created the intermediate federal courts of appeals, significantly restructuring the federal judiciary and reducing the Supreme Court’s mandatory caseload.
  • B. Judiciary Act of 1870
    The Judiciary Act of 1870 is a U.S. federal law that created the Department of Justice and centralized federal law enforcement and legal representation under the Attorney General.
  • C. Union Pacific Railroad
    Union Pacific Railroad is one of the largest freight rail networks in the United States, operating an extensive system that spans the western two-thirds of the country.
  • D. The Standard Railroad of the World
    The Standard Railroad of the World was the proud slogan and nickname of the Pennsylvania Railroad, once one of the largest and most influential railroads in the United States.
  • E. Central Pacific Railroad historic route
    The Central Pacific Railroad historic route is the original transcontinental rail line built in the 1860s that crossed the Sierra Nevada, including through Donner Pass, to connect California with the rest of the United States.
  • 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: Union Pacific Railway Act of 1862
Triple: [Union Pacific Railroad, foundedBy, Union Pacific Railway Act of 1862]
Generated description
The Union Pacific Railway Act of 1862 was a landmark U.S. federal law that authorized construction of the first transcontinental railroad and provided government support through land grants and bonds.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Union Pacific Railway Act of 1862
Target entity description: The Union Pacific Railway Act of 1862 was a landmark U.S. federal law that authorized construction of the first transcontinental railroad and provided government support through land grants and bonds.
  • A. Judiciary Act of 1891
    The Judiciary Act of 1891 was a landmark U.S. federal statute that created the intermediate federal courts of appeals, significantly restructuring the federal judiciary and reducing the Supreme Court’s mandatory caseload.
  • B. Judiciary Act of 1870
    The Judiciary Act of 1870 is a U.S. federal law that created the Department of Justice and centralized federal law enforcement and legal representation under the Attorney General.
  • C. Union Pacific Railroad
    Union Pacific Railroad is one of the largest freight rail networks in the United States, operating an extensive system that spans the western two-thirds of the country.
  • D. The Standard Railroad of the World
    The Standard Railroad of the World was the proud slogan and nickname of the Pennsylvania Railroad, once one of the largest and most influential railroads in the United States.
  • E. Central Pacific Railroad historic route
    The Central Pacific Railroad historic route is the original transcontinental rail line built in the 1860s that crossed the Sierra Nevada, including through Donner Pass, to connect California with the rest of the United States.
  • F. None of above. chosen

Provenance (5 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_69a24e0a5b7c81908d52da08c60dabc4 completed Feb. 28, 2026, 2:08 a.m.
NER Named-entity recognition batch_69a256c96e5481908c67f69e99978292 completed Feb. 28, 2026, 2:45 a.m.
NED1 Entity disambiguation (via context triple) batch_69a275e644a48190aa2b8cb142b14394 completed Feb. 28, 2026, 4:58 a.m.
NEDg Description generation batch_69a276cddee08190aab0959702d44f67 completed Feb. 28, 2026, 5:02 a.m.
NED2 Entity disambiguation (via description) batch_69a277b7aee8819085cb05afc213eaff completed Feb. 28, 2026, 5:05 a.m.
Created at: Feb. 28, 2026, 2:12 a.m.