Triple

T20368576
Position Surface form Disambiguated ID Type / Status
Subject Bulgarian State Railways E496983 entity
Predicate hasSubsidiary P254 FINISHED
Object BDŽ Tovarni Prevozi
BDŽ Tovarni Prevozi is the freight transport division of the Bulgarian State Railways, providing cargo rail services across Bulgaria and international routes.
 E1427939 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: BDŽ Tovarni Prevozi | Statement: [Bulgarian State Railways, hasSubsidiary, BDŽ Tovarni Prevozi]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: BDŽ Tovarni Prevozi
Context triple: [Bulgarian State Railways, hasSubsidiary, BDŽ Tovarni Prevozi]
  • A. ČD Cargo
    ČD Cargo is a major Czech freight railway operator that provides cargo transport and logistics services across the Czech Republic and neighboring countries.
  • B. Croatian Railways
    Croatian Railways is Croatia’s national state-owned railway company responsible for operating passenger and freight rail services across the country.
  • C. Slovenske železnice
    Slovenske železnice is Slovenia’s national railway company, responsible for operating the country’s passenger and freight rail services and managing much of its rail infrastructure.
  • D. Serbian Railways
    Serbian Railways is the national railway company of Serbia, responsible for operating the country’s passenger and freight rail transport network.
  • E. Czech Railways
    Czech Railways is the state-owned national railway operator of the Czech Republic, providing passenger and freight rail services across the country and internationally.
  • 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: BDŽ Tovarni Prevozi
Triple: [Bulgarian State Railways, hasSubsidiary, BDŽ Tovarni Prevozi]
Generated description
BDŽ Tovarni Prevozi is the freight transport division of the Bulgarian State Railways, providing cargo rail services across Bulgaria and international routes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: BDŽ Tovarni Prevozi
Target entity description: BDŽ Tovarni Prevozi is the freight transport division of the Bulgarian State Railways, providing cargo rail services across Bulgaria and international routes.
  • A. ČD Cargo
    ČD Cargo is a major Czech freight railway operator that provides cargo transport and logistics services across the Czech Republic and neighboring countries.
  • B. Croatian Railways
    Croatian Railways is Croatia’s national state-owned railway company responsible for operating passenger and freight rail services across the country.
  • C. Slovenske železnice
    Slovenske železnice is Slovenia’s national railway company, responsible for operating the country’s passenger and freight rail services and managing much of its rail infrastructure.
  • D. Serbian Railways
    Serbian Railways is the national railway company of Serbia, responsible for operating the country’s passenger and freight rail transport network.
  • E. Czech Railways
    Czech Railways is the state-owned national railway operator of the Czech Republic, providing passenger and freight rail services across the country and internationally.
  • 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_69e0b4a4f9b081908a5a021919c21ccb completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e678734b188190bb2c5863023f9f8c completed April 20, 2026, 7:03 p.m.
NED1 Entity disambiguation (via context triple) batch_6a087612a0688190a4b21ecd624dd248 completed May 16, 2026, 1:50 p.m.
NEDg Description generation batch_6a08771f7edc8190b0c1dce8f5f6e145 completed May 16, 2026, 1:54 p.m.
NED2 Entity disambiguation (via description) batch_6a0877ac99408190a31ee21894770334 completed May 16, 2026, 1:57 p.m.
Created at: April 16, 2026, 11:26 a.m.