Triple

T11141677
Position Surface form Disambiguated ID Type / Status
Subject Warszawa Śródmieście railway station E263568 entity
Predicate operator P179 FINISHED
Object Polish State Railways E382463 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: Polish State Railways | Statement: [Warszawa Śródmieście railway station, operator, Polish State Railways]

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: Polish State Railways
Context triple: [Warszawa Śródmieście railway station, operator, Polish State Railways]
  • A. Polskie Koleje Państwowe chosen
    Polskie Koleje Państwowe is Poland’s state-owned national railway company, responsible for the country’s rail infrastructure and passenger and freight services.
  • B. Koleje Małopolskie
    Koleje Małopolskie is a regional rail operator in the Lesser Poland (Małopolska) region of Poland, providing passenger train services that connect Kraków with surrounding towns and cities.
  • C. Koleje Dolnośląskie
    Koleje Dolnośląskie is a regional rail operator in the Lower Silesia region of Poland, providing passenger train services connecting major cities and localities, including routes through Wrocław.
  • D. Koleje Mazowieckie
    Koleje Mazowieckie is a regional rail operator in Poland that provides commuter and regional train services centered on Warsaw and across the Masovian Voivodeship.
  • E. Czech Railways
    Czech Railways is the state-owned national railway operator of the Czech Republic, providing passenger and freight rail services across the country and internationally.
  • 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_69d6aa9c0ba08190bbd19c217489b755 elicitation completed
NER batch_69d7e8623158819096ad1678fa9e72bb ner completed
NED1 batch_69e4420c17788190b72ca616fd5345f8 ned_source_triple completed
Created at: April 8, 2026, 9:28 p.m.