Triple

T16919887
Position Surface form Disambiguated ID Type / Status
Subject BVG Class F E410417 entity
Predicate manufacturer P490 FINISHED
Object Waggon-Union
Waggon-Union was a German rolling stock manufacturer known for producing urban rail vehicles, including subway trains for systems such as Berlin’s BVG.
 E1240643 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: Waggon-Union | Statement: [BVG Class F, manufacturer, Waggon-Union]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Waggon-Union
Context triple: [BVG Class F, manufacturer, Waggon-Union]
  • A. Stagecoach Rail
    Stagecoach Rail was the rail transport division of Stagecoach Group, operating passenger train services in the United Kingdom before the brand was retired.
  • B. Union Tank Car Company
    Union Tank Car Company is a North American railcar leasing and maintenance company specializing in tank cars for transporting liquid and gaseous commodities.
  • C. Durant-Dort Carriage Company
    Durant-Dort Carriage Company was a leading late-19th-century American horse-drawn carriage manufacturer that became the foundation for William C. Durant’s later creation of General Motors.
  • D. Ludwig Railway Company
    The Ludwig Railway Company was a pioneering 19th-century German railway enterprise best known for operating the Bavarian Ludwig Railway, one of the first steam-powered rail lines in continental Europe.
  • E. Union Railways
    Union Railways is a British rail infrastructure and development company known for its role in major UK rail projects and for employing civil engineer Sir John Armitt.
  • 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: Waggon-Union
Triple: [BVG Class F, manufacturer, Waggon-Union]
Generated description
Waggon-Union was a German rolling stock manufacturer known for producing urban rail vehicles, including subway trains for systems such as Berlin’s BVG.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Waggon-Union
Target entity description: Waggon-Union was a German rolling stock manufacturer known for producing urban rail vehicles, including subway trains for systems such as Berlin’s BVG.
  • A. Stagecoach Rail
    Stagecoach Rail was the rail transport division of Stagecoach Group, operating passenger train services in the United Kingdom before the brand was retired.
  • B. Union Tank Car Company
    Union Tank Car Company is a North American railcar leasing and maintenance company specializing in tank cars for transporting liquid and gaseous commodities.
  • C. Durant-Dort Carriage Company
    Durant-Dort Carriage Company was a leading late-19th-century American horse-drawn carriage manufacturer that became the foundation for William C. Durant’s later creation of General Motors.
  • D. Ludwig Railway Company
    The Ludwig Railway Company was a pioneering 19th-century German railway enterprise best known for operating the Bavarian Ludwig Railway, one of the first steam-powered rail lines in continental Europe.
  • E. Union Railways
    Union Railways is a British rail infrastructure and development company known for its role in major UK rail projects and for employing civil engineer Sir John Armitt.
  • 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_69d886c7b1e481908c3766dfa8c13458 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3cded2f8481909a20cc08b47e922e completed April 18, 2026, 6:31 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00c7c2c9cc8190b6d59d0a8edd078d completed May 10, 2026, 6 p.m.
NEDg Description generation batch_6a00c8f445248190be5f3de196e40f1f completed May 10, 2026, 6:05 p.m.
NED2 Entity disambiguation (via description) batch_6a00cd2bbd9881909f5e216cb6262a72 completed May 10, 2026, 6:23 p.m.
Created at: April 10, 2026, 5:30 a.m.