Triple

T4302999
Position Surface form Disambiguated ID Type / Status
Subject Willits E99883 entity
Predicate railroadTerminusOf P26272 FINISHED
Object California Western Railroad E430318 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: California Western Railroad | Statement: [Willits, railroadTerminusOf, California Western Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: California Western Railroad
Context triple: [Willits, railroadTerminusOf, California Western Railroad]
  • A. California Western Railroad chosen
    California Western Railroad is a historic short-line railway in Northern California, best known for its scenic "Skunk Train" excursions through the redwood forests between Willits and Fort Bragg.
  • B. Sacramento Southern Railroad
    The Sacramento Southern Railroad is a heritage railway in Sacramento, California, offering excursion train rides along the Sacramento River as part of the California State Railroad Museum’s operations.
  • C. Los Angeles Railway
    Los Angeles Railway was a historic streetcar transit system that operated an extensive network of urban rail lines in Los Angeles during the first half of the 20th century.
  • D. Union Pacific Railroad Coast Subdivision
    The Union Pacific Railroad Coast Subdivision is a key rail corridor in California that carries both freight and commuter services, including trains operated by the Altamont Corridor Express.
  • E. Union Pacific West Line
    The Union Pacific West Line is a commuter rail route in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, providing daily passenger service as part of the Metra 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: railroadTerminusOf
Context triple: [Willits, railroadTerminusOf, California Western Railroad]
  • A. railroadTerminusFor
    Indicates that one location serves as the end point or final station of a particular railroad line for another location.
  • B. railLineTerminus chosen
    Indicates that a rail line ends or terminates at the specified location or station.
  • C. hasRailStation
    Indicates that one entity possesses, contains, or is served by a rail station.
  • D. terminusStation
    Indicates that a station serves as the final endpoint or terminal stop for a given route or service.
  • E. railwayStationFor
    Indicates a relationship where a railway station serves, is designated for, or primarily associated with a particular place, line, or service.
  • 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_69b345528ebc8190b5abc7e95094792d completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b350b792608190ac778b79c740256a completed March 12, 2026, 11:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5f5bf4dd48190b84d8488a4f196a8 completed March 14, 2026, 11:56 p.m.
PD Predicate disambiguation batch_69b347ff45cc8190b0cc335a94cc3d73 completed March 12, 2026, 11:10 p.m.
Created at: March 12, 2026, 11:08 p.m.