Triple

T1068303
Position Surface form Disambiguated ID Type / Status
Subject Palo Alto station E23264 entity
Predicate hasFormerOwner P22003 FINISHED
Object Southern Pacific Railroad E47630 NE FINISHED

How this triple was built (3 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: Southern Pacific Railroad | Statement: [Palo Alto station, hasFormerOwner, Southern Pacific Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Southern Pacific Railroad
Context triple: [Palo Alto station, hasFormerOwner, Southern Pacific Railroad]
  • A. Southern Pacific Railroad chosen
    Southern Pacific Railroad was a major American railroad company that operated extensive rail networks across the western and southwestern United States from the 19th to the late 20th century.
  • B. 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.
  • C. Missouri Pacific Railroad
    Missouri Pacific Railroad was a major American Class I railroad that operated across the Midwestern and Southwestern United States, playing a key role in regional freight and passenger transportation before its merger into the Union Pacific system.
  • D. BNSF Railway
    BNSF Railway is one of the largest freight railroad networks in North America, operating an extensive system that spans the United States and parts of Canada and Mexico.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasFormerOwner
Context triple: [Palo Alto station, hasFormerOwner, Southern Pacific Railroad]
  • A. ownershipHistory chosen
    Indicates the sequence of past and present owners associated with an entity over time.
  • B. ownershipTransferredTo
    Indicates that the legal or formal ownership of an entity has been transferred from one party to another specified party.
  • C. isFormerEntity
    Indicates that an entity previously held a particular status, role, or identity but no longer does so.
  • D. formerOccupant
    Indicates that an entity previously occupied a position, role, or place but no longer does so.
  • E. hasFormerService
    Indicates that an entity previously provided a service to another entity but no longer does so.
  • F. None of above.

Provenance (4 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_69a493ee1f908190992b5f0d1b04459b completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b9e1047481909af1cf8df2a01fff completed March 1, 2026, 10:12 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac7f2b76308190a843ccad1ef95f07 completed March 7, 2026, 7:40 p.m.
PD Predicate disambiguation batch_69a4b736f1e881909bace735b38c0ade completed March 1, 2026, 10:01 p.m.
Created at: March 1, 2026, 7:42 p.m.