Triple

T6402613
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Empire Builder E144098 entity
Predicate primaryRouteTerminus P29923 FINISHED
Object Seattle King Street Station E118896 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: Seattle King Street Station | Statement: [Amtrak Empire Builder, primaryRouteTerminus, Seattle King Street Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Seattle King Street Station
Context triple: [Amtrak Empire Builder, primaryRouteTerminus, Seattle King Street Station]
  • A. Seattle King Street Station chosen
    Seattle King Street Station is a historic railway terminal in downtown Seattle that serves as a major Amtrak and commuter rail hub for the Pacific Northwest.
  • B. SODO Station
    SODO Station is a light rail station in Seattle’s SoDo (South of Downtown) industrial district, serving commuters and providing access to nearby warehouses, offices, and sports venues.
  • C. Tacoma Union Station
    Tacoma Union Station is a historic former train station in Tacoma, Washington, renowned for its grand Beaux-Arts architecture and current use as a federal courthouse and public event space.
  • D. Tukwila International Boulevard Station
    Tukwila International Boulevard Station is a major Sound Transit Link light rail station in Tukwila, Washington, serving as a key transit hub near Seattle–Tacoma International Airport.
  • E. Portland Union Station
    Portland Union Station is a historic railway terminal in Portland, Oregon, serving as a major Amtrak hub for intercity passenger trains in the Pacific Northwest.
  • 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: primaryRouteTerminus
Context triple: [Amtrak Empire Builder, primaryRouteTerminus, Seattle King Street Station]
  • A. primaryTerminalFor chosen
    Indicates that one entity serves as the main or principal terminal associated with another entity.
  • B. primaryRoute
    Indicates that one route is designated as the main or preferred path among possible alternatives between locations.
  • C. primaryHubFor
    Indicates that one entity serves as the main central hub or core point of coordination for another entity or set of entities.
  • D. primaryCorridorServed
    Indicates that a corridor is the main route or pathway served by a given service, facility, or entity.
  • E. primaryBus
    Indicates that one entity functions as the main or principal bus associated with another entity within a system or configuration.
  • 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_69c008dc56fc81908d43ffcc11d73bdd completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c068ade8c881908a0472f1de6b7c21 completed March 22, 2026, 10:09 p.m.
NED1 Entity disambiguation (via context triple) batch_69c64bb2df6881908161e1a91ea103e1 completed March 27, 2026, 9:19 a.m.
PD Predicate disambiguation batch_69c060f40ecc8190b1df17b96767675c completed March 22, 2026, 9:36 p.m.
Created at: March 22, 2026, 4:35 p.m.