Triple

T20892394
Position Surface form Disambiguated ID Type / Status
Subject Hanover Stadtbahn E514439 entity
Predicate operator P179 FINISHED
Object Üstra Hannoversche Verkehrsbetriebe — NE NERFINISHED

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: Üstra Hannoversche Verkehrsbetriebe | Statement: [Hanover Stadtbahn, operator, Üstra Hannoversche Verkehrsbetriebe]

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: Üstra Hannoversche Verkehrsbetriebe
Context triple: [Hanover Stadtbahn, operator, Üstra Hannoversche Verkehrsbetriebe]
  • A. Üstra Hannoversche Verkehrsbetriebe chosen
    Üstra Hannoversche Verkehrsbetriebe is the main public transport company in Hanover, Germany, operating the city’s trams and buses.
  • B. S-Bahn Hamburg GmbH
    S-Bahn Hamburg GmbH is the company that operates Hamburg’s suburban rapid transit rail network within the German railway system.
  • C. Berliner Verkehrsbetriebe
    Berliner Verkehrsbetriebe is Berlin’s main public transport company, operating the city’s extensive network of U-Bahn trains, trams, and buses.
  • D. Hamburger Verkehrsverbund
    Hamburger Verkehrsverbund is the integrated public transport association serving Hamburg and its surrounding metropolitan region in northern Germany.
  • E. Abellio Rail Mitteldeutschland
    Abellio Rail Mitteldeutschland is a German regional railway operator providing passenger train services in the central Germany area.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e0b4f7ebe48190952a85547a0f31a1 elicitation completed
NER batch_69e6d05f0bec8190a296db546bd34114 ner completed
Created at: April 16, 2026, 12:46 p.m.