Triple

T8684560
Position Surface form Disambiguated ID Type / Status
Subject VGTZ station E206123 entity
Predicate locatedOn P40 FINISHED
Object Volgograd Metrotram line 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 line | Statement: [VGTZ station, locatedOn, Volgograd Metrotram line]

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 line
Context triple: [VGTZ station, locatedOn, Volgograd Metrotram line]
  • 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. Yaroslavsky railway line
    The Yaroslavsky railway line is a major suburban and intercity rail route radiating from Moscow’s Yaroslavsky railway station, serving numerous towns and cities to the northeast of the capital.
  • E. Kaluzhsko–Rizhskaya Line
    The Kaluzhsko–Rizhskaya Line is a major line of the Moscow Metro system, running north–south through the city and serving several densely populated residential and commercial districts.
  • 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_69ca835379688190aa06b9d98e684d58 elicitation completed
NER batch_69cc4aeae740819099093906ccc5f640 ner completed
NED1 batch_69cfc1b6d2ec81909765ea1a368b090d ned_source_triple completed
Created at: March 30, 2026, 6:32 p.m.