Triple

T17118543
Position Surface form Disambiguated ID Type / Status
Subject Kivenlahti station E415402 entity
Predicate isWesternEndpointOf P51120 FINISHED
Object Helsinki Metro system 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: Helsinki Metro system | Statement: [Kivenlahti station, isWesternEndpointOf, Helsinki Metro system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Helsinki Metro system
Context triple: [Kivenlahti station, isWesternEndpointOf, Helsinki Metro system]
  • A. Helsinki Metro chosen
    The Helsinki Metro is the rapid transit system serving Finland’s capital region, known as the world’s northernmost metro network and a key part of the city’s public transportation.
  • B. Helsinki tram network
    The Helsinki tram network is an extensive urban light rail system that serves as a primary mode of public transportation within Finland’s capital city.
  • C. Helsinki commuter rail
    Helsinki commuter rail is a suburban rail network serving the Greater Helsinki area in Finland, connecting the city with its surrounding municipalities through frequent, high-capacity train services.
  • D. Helsinki public transport network
    The Helsinki public transport network is an integrated system of metro, trams, buses, commuter trains, and ferries that provides comprehensive urban and regional mobility in the Helsinki metropolitan area.
  • E. Stockholm metro
    The Stockholm metro is the rapid transit system serving Sweden's capital, renowned for its extensive network and art-adorned stations often called the world's longest art gallery.
  • 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: isWesternEndpointOf
Context triple: [Kivenlahti station, isWesternEndpointOf, Helsinki Metro system]
  • A. isWesternmostPartOf
    Indicates that one entity is the furthest to the west within the geographic extent or boundary of another entity.
  • B. easternTerminusLocatedOn
    Indicates that the eastern endpoint of a route, line, or path is situated on or at a specified feature or location.
  • C. isStartingPointOf
    Indicates that something serves as the initial point or origin from which another thing, process, or path begins.
  • D. easternTerminusCountry
    Indicates the country in which the eastern terminus (end point) of something, such as a route or infrastructure, is located.
  • E. hasTerminusWest chosen
    Indicates that something has its western endpoint, terminus, or final stop at the referenced entity.
  • 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_69d886d090cc8190a39cb94992586905 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3e8086a388190a655a044feccab14 completed April 18, 2026, 8:22 p.m.
PD Predicate disambiguation batch_69e35d6b1b988190a8d6b6fe78c35e59 completed April 18, 2026, 10:31 a.m.
Created at: April 10, 2026, 5:35 a.m.