Triple

T11260955
Position Surface form Disambiguated ID Type / Status
Subject Warszawa Centralna railway station E266556 entity
Predicate operatedBy P86 FINISHED
Object 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.
 E916041 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: PKP Polskie Linie Kolejowe | Statement: [Warszawa Centralna railway station, operatedBy, PKP Polskie Linie Kolejowe]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: PKP Polskie Linie Kolejowe
Context triple: [Warszawa Centralna railway station, operatedBy, PKP Polskie Linie Kolejowe]
  • A. Polskie Koleje Państwowe
    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. PKP S.A.
    PKP S.A. is Poland’s state-owned railway company responsible for managing much of the country’s rail infrastructure and related assets.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: PKP Polskie Linie Kolejowe
Triple: [Warszawa Centralna railway station, operatedBy, PKP Polskie Linie Kolejowe]
Generated description
PKP Polskie Linie Kolejowe is Poland’s state-owned rail infrastructure manager responsible for maintaining and operating the national railway network and stations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: PKP Polskie Linie Kolejowe
Target entity description: PKP Polskie Linie Kolejowe is Poland’s state-owned rail infrastructure manager responsible for maintaining and operating the national railway network and stations.
  • A. Polskie Koleje Państwowe
    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. PKP S.A.
    PKP S.A. is Poland’s state-owned railway company responsible for managing much of the country’s rail infrastructure and related assets.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d6aac7953c8190b82caf9d7640fdf9 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e94c066c8190be1e032eb328e5fe completed April 9, 2026, 6 p.m.
NED1 Entity disambiguation (via context triple) batch_69e4f410cb508190bb0ceab51075eec5 completed April 19, 2026, 3:26 p.m.
NEDg Description generation batch_69e4f7dbfafc8190afa1e9fe67f1296e completed April 19, 2026, 3:42 p.m.
NED2 Entity disambiguation (via description) batch_69e4ff4645948190a2bfcc3a4efd8e2a completed April 19, 2026, 4:13 p.m.
Created at: April 8, 2026, 9:31 p.m.