Triple

T20368517
Position Surface form Disambiguated ID Type / Status
Subject Bulgarian rail network E496982 entity
Predicate abbreviation P43 FINISHED
Object BDZ network
The BDZ network is Bulgaria’s national railway system, encompassing the country’s main passenger and freight rail lines operated by Bulgarian State Railways.
 E1426501 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: BDZ network | Statement: [Bulgarian rail network, abbreviation, BDZ network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: BDZ network
Context triple: [Bulgarian rail network, abbreviation, BDZ network]
  • A. BZD
    BZD is the currency code for the Belize dollar, the official monetary unit of Belize.
  • B. BDN
    BDN is the National Rail station code for Brading railway station on the Isle of Wight, England.
  • C. BZ
    BZ is the two-letter ISO 3166-1 alpha-2 country code assigned to Belize.
  • D. BZ
    BZ is the commonly used abbreviation for the Ministry of Foreign Affairs of the Netherlands, which is responsible for the country’s foreign policy and international relations.
  • E. BZ
    BZ is the vehicle registration code used on license plates for the municipality of Rammenau in Germany.
  • 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: BDZ network
Triple: [Bulgarian rail network, abbreviation, BDZ network]
Generated description
The BDZ network is Bulgaria’s national railway system, encompassing the country’s main passenger and freight rail lines operated by Bulgarian State Railways.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: BDZ network
Target entity description: The BDZ network is Bulgaria’s national railway system, encompassing the country’s main passenger and freight rail lines operated by Bulgarian State Railways.
  • A. BZD
    BZD is the currency code for the Belize dollar, the official monetary unit of Belize.
  • B. BDN
    BDN is the National Rail station code for Brading railway station on the Isle of Wight, England.
  • C. BZ
    BZ is the two-letter ISO 3166-1 alpha-2 country code assigned to Belize.
  • D. BZ
    BZ is the commonly used abbreviation for the Ministry of Foreign Affairs of the Netherlands, which is responsible for the country’s foreign policy and international relations.
  • E. BZ
    BZ is the vehicle registration code used on license plates for the municipality of Rammenau in Germany.
  • 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.