Triple

T20368743
Position Surface form Disambiguated ID Type / Status
Subject Kulata railway station E496987 entity
Predicate partOfRailNetwork P8428 FINISHED
Object Bulgarian State Railways network — NE NERFINISHED

How this triple was built (2 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: Bulgarian State Railways network | Statement: [Kulata railway station, partOfRailNetwork, Bulgarian State Railways network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Bulgarian State Railways network
Context triple: [Kulata railway station, partOfRailNetwork, Bulgarian State Railways network]
  • A. Bulgarian rail network
    The Bulgarian rail network is the national railway system of Bulgaria, connecting major cities, towns, and border crossings through an extensive system of passenger and freight lines.
  • B. Bulgarian State Railways chosen
    Bulgarian State Railways is Bulgaria’s national railway company, responsible for operating the country’s passenger and freight train services.
  • C. Sofia–Plovdiv railway line
    The Sofia–Plovdiv railway line is a major Bulgarian rail corridor linking the capital Sofia with the city of Plovdiv and serving as part of an important trans-European transport route.
  • D. Romanian railway network
    The Romanian railway network is the national system of rail lines and infrastructure in Romania, connecting major cities, industrial centers, and international routes across the country.
  • E. Sofia–Kulata railway line
    The Sofia–Kulata railway line is a major rail route in southwestern Bulgaria that connects the capital Sofia with the Greek border near Kulata, serving as an important international transport corridor.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e0b4a4f9b081908a5a021919c21ccb completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e678734b188190bb2c5863023f9f8c completed April 20, 2026, 7:03 p.m.
Created at: April 16, 2026, 11:26 a.m.