Triple

T20368566
Position Surface form Disambiguated ID Type / Status
Subject Bulgarian State Railways E496983 entity
Predicate shortName P43 FINISHED
Object BDŽ
BDŽ is the national railway company of Bulgaria, responsible for operating the country’s passenger and freight rail services.
 E1426504 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 | Statement: [Bulgarian State Railways, shortName, BDŽ]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: BDŽ
Context triple: [Bulgarian State Railways, shortName, BDŽ]
  • A. BDJ
    BDJ is the IATA airport code for Syamsudin Noor International Airport serving Banjarmasin in South Kalimantan, Indonesia.
  • B. BJ
    BJ is the official abbreviation for Switzerland’s Federal Office of Justice, the federal authority responsible for key legal, judicial, and legislative matters.
  • C. BJ
    BJ is the stock ticker symbol for BJ's Wholesale Club, a U.S.-based membership-only warehouse club chain.
  • D. BAJ
    BAJ is the station code for Baglan railway station in Wales, United Kingdom.
  • E. BDG
    BDG is a Gabonese political party historically associated with figures such as former Prime Minister Léon Mébiame.
  • 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
Triple: [Bulgarian State Railways, shortName, BDŽ]
Generated description
BDŽ is the national railway company of Bulgaria, responsible for operating the country’s passenger and freight rail services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: BDŽ
Target entity description: BDŽ is the national railway company of Bulgaria, responsible for operating the country’s passenger and freight rail services.
  • A. BDJ
    BDJ is the IATA airport code for Syamsudin Noor International Airport serving Banjarmasin in South Kalimantan, Indonesia.
  • B. BJ
    BJ is the official abbreviation for Switzerland’s Federal Office of Justice, the federal authority responsible for key legal, judicial, and legislative matters.
  • C. BJ
    BJ is the stock ticker symbol for BJ's Wholesale Club, a U.S.-based membership-only warehouse club chain.
  • D. BAJ
    BAJ is the station code for Baglan railway station in Wales, United Kingdom.
  • E. BDG
    BDG is a Gabonese political party historically associated with figures such as former Prime Minister Léon Mébiame.
  • 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_6a08708d48c08190ac0ccbc910d4af4b completed May 16, 2026, 1:26 p.m.
NEDg Description generation batch_6a087129ce3c8190a67ac34ec697ad31 completed May 16, 2026, 1:29 p.m.
NED2 Entity disambiguation (via description) batch_6a0871e3573c81908216b5e508374081 completed May 16, 2026, 1:32 p.m.
Created at: April 16, 2026, 11:26 a.m.