Triple

T22595592
Position Surface form Disambiguated ID Type / Status
Subject Amtrak in Silicon Valley E574670 entity
Predicate hostRailroad P76977 FINISHED
Object Union Pacific Railroad NE NERFINISHED

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: Union Pacific Railroad | Statement: [Amtrak in Silicon Valley, hostRailroad, Union Pacific Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Union Pacific Railroad
Context triple: [Amtrak in Silicon Valley, hostRailroad, Union Pacific Railroad]
  • A. Union Pacific Railroad chosen
    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.
  • B. Southern Pacific Railroad
    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.
  • C. 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.
  • D. Denver and Rio Grande Western Railroad
    The Denver and Rio Grande Western Railroad was a historic U.S. railroad known for its scenic mountain routes through Colorado and Utah and its role in transcontinental passenger and freight service.
  • E. 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.
  • 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: hostRailroad
Context triple: [Amtrak in Silicon Valley, hostRailroad, Union Pacific Railroad]
  • A. hasRailStation
    Indicates that one entity possesses, contains, or is served by a rail station.
  • B. servedByRailroad
    Indicates that a location or facility is provided with transportation or service by a railroad line or company.
  • C. hasRail
    Indicates that something is equipped with, includes, or is connected to a rail or rail system.
  • D. railFranchise
    Indicates a contractual relationship in which a company is granted the right to operate rail services or manage rail infrastructure within a specified area or route.
  • E. relatedRailroad chosen
    Indicates that there is an association or connection between an entity and a specific railroad, such as ownership, operation, service, or historical linkage.
  • F. None of above.

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_69e245bc11308190b69d794d5d1e0bb6 completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f16268cb54819084a0f27ec0473f35 completed April 29, 2026, 1:44 a.m.
PD Predicate disambiguation batch_69ee627be4248190889a88764624e174 completed April 26, 2026, 7:07 p.m.
Created at: April 17, 2026, 2:49 p.m.