Triple

T8771131
Position Surface form Disambiguated ID Type / Status
Subject Pionerskaya station E208463 entity
Predicate transportSystem P941 FINISHED
Object Volgograd Metrotram E41308 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: Volgograd Metrotram | Statement: [Pionerskaya station, transportSystem, Volgograd Metrotram]

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: Volgograd Metrotram
Context triple: [Pionerskaya station, transportSystem, Volgograd Metrotram]
  • A. Volgograd Metrotram chosen
    The Volgograd Metrotram is a hybrid light rail and underground tram system in Volgograd, Russia, providing rapid transit-style service along a dedicated north–south corridor through the city.
  • B. Volgograd tram network
    The Volgograd tram network is an extensive urban tramway system serving the Russian city of Volgograd, providing surface-level public transport that complements the partially grade-separated Volgograd Metrotram.
  • C. Volgograd trolleybus network
    The Volgograd trolleybus network is an electric public transit system in Volgograd, Russia, providing urban transportation via trolleybuses powered by overhead wires.
  • D. Novosibirsk Metro
    Novosibirsk Metro is a rapid transit system in Novosibirsk, Russia, serving as a key component of the city's public transportation network with several lines and stations across the urban area.
  • E. Saint Petersburg Metro
    The Saint Petersburg Metro is a major rapid transit system in Saint Petersburg, Russia, renowned for its deep underground stations and ornate, palace-like architecture.
  • 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_69ca835edb4481909b4aafb616dc5eb7 elicitation completed
NER batch_69cc5f2b08f881909f3d4fab2eda1d67 ner completed
NED1 batch_69cfd0771920819081f191567c7e9fd2 ned_source_triple completed
Created at: March 30, 2026, 6:41 p.m.