Triple

T6402614
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Empire Builder E144098 entity
Predicate secondaryRouteTerminus P67716 FINISHED
Object Portland Union Station E35533 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: Portland Union Station | Statement: [Amtrak Empire Builder, secondaryRouteTerminus, Portland Union Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Portland Union Station
Context triple: [Amtrak Empire Builder, secondaryRouteTerminus, Portland Union Station]
  • A. Portland Union Station chosen
    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.
  • B. Portland Transportation Center
    Portland Transportation Center is a major intercity bus and Amtrak train station serving the greater Portland and southern Maine region.
  • C. Rose Quarter Transit Center
    Rose Quarter Transit Center is a major public transit hub in Portland, Oregon, serving multiple MAX light rail lines and bus routes near the city’s Rose Quarter sports and entertainment district.
  • D. Portland Transit Mall
    Portland Transit Mall is a major public transit corridor in downtown Portland, Oregon, featuring dedicated lanes and stops for buses and light rail along key central city streets.
  • E. Meridian Union Station
    Meridian Union Station is a historic intermodal transportation hub in downtown Meridian, Mississippi, serving Amtrak passenger rail and regional bus services.
  • 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: secondaryRouteTerminus
Context triple: [Amtrak Empire Builder, secondaryRouteTerminus, Portland Union Station]
  • A. secondaryTransmissionRoute
    Indicates a non-primary pathway or mechanism through which something (such as a disease, signal, or influence) is transmitted from one entity to another.
  • B. secondaryEndpoint chosen
    Indicates that something serves as an additional, non-primary endpoint or target associated with a main endpoint in a relationship or process.
  • C. roadTerminusOf
    Indicates that a road ends at, or has its terminal point at, the referenced location or route.
  • D. secondaryHub
    Indicates that an entity functions as a secondary or backup hub in relation to a primary hub within a network or system.
  • E. southTerminusType
    Indicates the type or nature of the southern endpoint or terminus of something (such as a route, line, or boundary).
  • 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_69c65385f80081908e989b17529808c5 completed March 27, 2026, 9:53 a.m.
PD Predicate disambiguation batch_69c060f40ecc8190b1df17b96767675c completed March 22, 2026, 9:36 p.m.
Created at: March 22, 2026, 4:35 p.m.