Triple

T11105250
Position Surface form Disambiguated ID Type / Status
Subject Mark Hopkins E262610 entity
Predicate memberOf P10 FINISHED
Object Big Four (Central Pacific Railroad) E486596 NE FINISHED

How this triple was built (2 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: Big Four (Central Pacific Railroad) | Statement: [Mark Hopkins, memberOf, Big Four (Central Pacific Railroad)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Big Four (Central Pacific Railroad)
Context triple: [Mark Hopkins, memberOf, Big Four (Central Pacific Railroad)]
  • A. Big Four of the Central Pacific chosen
    The Big Four of the Central Pacific were a group of influential 19th-century railroad magnates—Leland Stanford, Collis P. Huntington, Mark Hopkins, and Charles Crocker—who financed and built the western portion of the First Transcontinental Railroad in the United States.
  • B. Central Pacific Railroad
    The Central Pacific Railroad was a major 19th-century American railroad company that built the western portion of the First Transcontinental Railroad, linking California to the eastern United States and transforming transportation and commerce.
  • C. San Francisco and North Pacific Railroad
    The San Francisco and North Pacific Railroad was a 19th-century regional railroad in Northern California that later became a key predecessor of the Northwestern Pacific Railroad.
  • D. Compañía de Acero del Pacífico
    Compañía de Acero del Pacífico is a major Chilean steel company based in the Biobío Region and one of the country’s principal industrial producers of steel and related products.
  • E. Oregon Railroad and Navigation Company
    The Oregon Railroad and Navigation Company was a major late-19th and early-20th century railroad and steamship enterprise in the Pacific Northwest that became a key component of the Union Pacific system.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d6aa9a40d88190a373e2c7e48285db completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d79a2e319881909e66d3c0c73b56bc completed April 9, 2026, 12:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69e42d7016908190bb7aadadacb5b50f completed April 19, 2026, 1:18 a.m.
Created at: April 8, 2026, 9:27 p.m.