Triple

T7639176
Position Surface form Disambiguated ID Type / Status
Subject Katowice railway station E172955 entity
Predicate operator P179 FINISHED
Object Polskie Koleje Państwowe 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: Polskie Koleje Państwowe | Statement: [Katowice railway station, operator, Polskie Koleje Państwowe]

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: Polskie Koleje Państwowe
Context triple: [Katowice railway station, operator, Polskie Koleje Państwowe]
  • 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 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.
  • C. 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.
  • D. Warszawska Kolej Dojazdowa
    Warszawska Kolej Dojazdowa is a suburban light rail and commuter railway line serving towns and districts west of Warsaw, providing frequent regional passenger transport into the Polish capital.
  • E. Łódzka Kolej Aglomeracyjna
    Łódzka Kolej Aglomeracyjna is a regional rail operator in the Łódź metropolitan area of Poland, providing commuter and suburban train services connecting the city with surrounding towns.
  • 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_69c69952849881908fdcea7a93bfc307 elicitation completed
NER batch_69c6facc4b5481908697e662b0991e3f ner completed
NED1 batch_69c870cd11648190b9aeedadb7bc1981 ned_source_triple completed
Created at: March 27, 2026, 3:57 p.m.