Triple

T7639175
Position Surface form Disambiguated ID Type / Status
Subject Katowice railway station E172955 entity
Predicate partOf P40 FINISHED
Object Polish State Railways network 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 network | Statement: [Katowice railway station, partOf, Polish State Railways network]

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 network
Context triple: [Katowice railway station, partOf, Polish State Railways network]
  • A. Polish railway network
    The Polish railway network is the nationwide system of rail lines and infrastructure in Poland that connects cities, towns, and regions for passenger and freight transport.
  • B. 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.
  • C. Łódź rail network
    The Łódź rail network is the system of railway lines and stations serving the city of Łódź, Poland, connecting it with regional and national routes for passenger and freight transport.
  • D. Warsaw–Kraków main line
    The Warsaw–Kraków main line is a major Polish railway corridor connecting the capital city Warsaw with Kraków, serving as one of the country’s key passenger and freight routes.
  • E. Warsaw–Białystok railway line
    The Warsaw–Białystok railway line is a major rail route in northeastern Poland that connects the capital city Warsaw with the regional center Białystok, serving as an important corridor for both passenger and freight transport.
  • 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.