Triple

T20513943
Position Surface form Disambiguated ID Type / Status
Subject Selma, North Carolina E503635 entity
Predicate hasRailStation P726 FINISHED
Object Selma-Smithfield Amtrak station — 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: Selma-Smithfield Amtrak station | Statement: [Selma, North Carolina, hasRailStation, Selma-Smithfield Amtrak station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Selma-Smithfield Amtrak station
Context triple: [Selma, North Carolina, hasRailStation, Selma-Smithfield Amtrak station]
  • A. Jackson Amtrak station
    Jackson Amtrak station is a historic passenger rail station in Jackson, Michigan, serving Amtrak trains on the Wolverine line between Chicago and Detroit/Pontiac.
  • B. La Junta Amtrak station
    La Junta Amtrak station is a passenger rail station in La Junta, Colorado, serving Amtrak’s long-distance Southwest Chief route between Chicago and Los Angeles.
  • C. Colfax Amtrak station
    Colfax Amtrak station is a passenger rail station in the historic Gold Rush town of Colfax, California, serving Amtrak’s California Zephyr route.
  • D. Dyer Amtrak station
    Dyer Amtrak station is a passenger rail stop in Dyer, Indiana, served by Amtrak trains on the Cardinal route between Chicago and the eastern United States.
  • E. Mattoon Amtrak station
    Mattoon Amtrak station is a passenger rail station in Mattoon, Illinois, serving Amtrak trains on routes such as the City of New Orleans and Illini/Saluki.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Selma-Smithfield Amtrak station
Target entity description: Selma-Smithfield Amtrak station is a passenger rail station in central North Carolina that serves Amtrak trains connecting the towns of Selma and nearby Smithfield to regional and long-distance routes.
  • A. Jackson Amtrak station
    Jackson Amtrak station is a historic passenger rail station in Jackson, Michigan, serving Amtrak trains on the Wolverine line between Chicago and Detroit/Pontiac.
  • B. La Junta Amtrak station
    La Junta Amtrak station is a passenger rail station in La Junta, Colorado, serving Amtrak’s long-distance Southwest Chief route between Chicago and Los Angeles.
  • C. Colfax Amtrak station
    Colfax Amtrak station is a passenger rail station in the historic Gold Rush town of Colfax, California, serving Amtrak’s California Zephyr route.
  • D. Dyer Amtrak station
    Dyer Amtrak station is a passenger rail stop in Dyer, Indiana, served by Amtrak trains on the Cardinal route between Chicago and the eastern United States.
  • E. Mattoon Amtrak station
    Mattoon Amtrak station is a passenger rail station in Mattoon, Illinois, serving Amtrak trains on routes such as the City of New Orleans and Illini/Saluki.
  • F. None of above. chosen

Provenance (2 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_69e0b4b2aa788190ae9eb37c1d73b1f1 completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e69f4066908190a94724697fb8cdcb completed April 20, 2026, 9:48 p.m.
Created at: April 16, 2026, 11:36 a.m.