Triple

T16029310
Position Surface form Disambiguated ID Type / Status
Subject Helsinki Central railway station E388801 entity
Predicate serves P98 FINISHED
Object Helsinki metropolitan area E295495 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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 metropolitan area | Statement: [Helsinki Central railway station, serves, Helsinki metropolitan area]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Helsinki metropolitan area
Context triple: [Helsinki Central railway station, serves, Helsinki metropolitan area]
  • A. Helsinki region
    The Helsinki region is the metropolitan area surrounding Finland’s capital city, encompassing Helsinki and its neighboring municipalities as a central hub for politics, culture, and economic activity.
  • B. Greater Helsinki chosen
    Greater Helsinki is the largest metropolitan area in Finland, encompassing Helsinki and its surrounding cities and suburbs as the country’s main economic and population center.
  • C. Kouvola urban area
    Kouvola urban area is the main population and economic center of the city of Kouvola in southeastern Finland.
  • D. Espoo
    Espoo is Finland’s second-largest city, located just west of Helsinki on the southern coast, known for its technology industry, natural landscapes, and role as part of the Helsinki metropolitan area.
  • E. Vantaa
    Vantaa is a major city in the Helsinki metropolitan area of southern Finland, known for hosting Helsinki Airport and serving as an important commercial and residential hub.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d86dada3808190825d5f80d72fbe88 elicitation completed
NER batch_69e1832a56ec8190a47fd2cf83a42fd4 ner completed
NED1 batch_69fff796fafc8190b6cfb2d8ea502eef ned_source_triple completed
Created at: April 10, 2026, 4:56 a.m.