Triple

T8255341
Position Surface form Disambiguated ID Type / Status
Subject Golden Spike Ceremony E193056 entity
Predicate attendeeRole P4073 FINISHED
Object Leland Stanford was president of the Central Pacific Railroad E31248 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: Leland Stanford was president of the Central Pacific Railroad | Statement: [Golden Spike Ceremony, attendeeRole, Leland Stanford was president of the Central Pacific Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Leland Stanford was president of the Central Pacific Railroad
Context triple: [Golden Spike Ceremony, attendeeRole, Leland Stanford was president of the Central Pacific Railroad]
  • A. Leland Stanford Jr.
    Leland Stanford Jr. was the only son of railroad magnate and California governor Leland Stanford, whose early death led his parents to found Stanford University in his memory.
  • B. Leland Stanford chosen
    Leland Stanford was an American industrialist, railroad magnate, and politician who served as governor of California and co-founded Stanford University.
  • C. Collis P. Huntington
    Collis P. Huntington was a prominent 19th-century American railroad magnate and industrialist who played a key role in the development of the U.S. transportation infrastructure and major shipbuilding enterprises.
  • D. Charles Crocker
    Charles Crocker was a 19th-century American railroad executive and industrialist best known as one of the "Big Four" who built the Central Pacific Railroad and helped create the first U.S. transcontinental railroad.
  • E. James J. Hill
    James J. Hill was a prominent American railroad magnate best known for building and expanding the Great Northern Railway during the late 19th and early 20th centuries.
  • 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_69ca82dfad9c8190b8cd18fb89f50f40 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb78f9f680819088f1d56e0f98974f completed March 31, 2026, 7:34 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd3553b48881909cc72e443aad9539 completed April 1, 2026, 3:10 p.m.
Created at: March 30, 2026, 5:48 p.m.