Triple

T17210247
Position Surface form Disambiguated ID Type / Status
Subject Zduńska Wola railway station E417708 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: [Zduńska Wola 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: [Zduńska Wola 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. 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 Śląskie
    Koleje Śląskie is a regional rail operator in the Silesian Voivodeship of Poland, providing passenger train services across the area’s urban and industrial centers.
  • D. Koleje Wielkopolskie
    Koleje Wielkopolskie is a regional rail operator in the Greater Poland (Wielkopolska) region of Poland, providing passenger train services centered around Poznań.
  • E. 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.
  • 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_69d886d779488190b131369541c04e7d elicitation completed
NER batch_69e42dc4792081909443df7937768ede ner completed
NED1 batch_6a01793aec4c81908e64226986866389 ned_source_triple completed
Created at: April 10, 2026, 5:38 a.m.