Triple

T12564653
Position Surface form Disambiguated ID Type / Status
Subject Zamość railway station E295436 entity
Predicate ownedBy P347 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: [Zamość railway station, ownedBy, 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: [Zamość railway station, ownedBy, 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. PKP Polskie Linie Kolejowe
    PKP Polskie Linie Kolejowe is Poland’s state-owned rail infrastructure manager responsible for maintaining and operating the national railway network and stations.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69d6ad9cac2c81908e8a7bed82d1e21d elicitation completed
NER batch_69d9549611c081909e611756f3cce7f0 ner completed
NED1 batch_69f6558f87b081909ba179b49bae3913 ned_source_triple completed
Created at: April 8, 2026, 11:49 p.m.