Triple

T5906985
Position Surface form Disambiguated ID Type / Status
Subject British Rail Class 379 E131364 entity
Predicate family P566 FINISHED
Object Electrostar
Electrostar is a widely used family of British electric multiple-unit commuter trains built by Bombardier for suburban and regional services.
 E553230 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: Electrostar | Statement: [British Rail Class 379, family, Electrostar]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Electrostar
Context triple: [British Rail Class 379, family, Electrostar]
  • A. Siemens Vectron
    Siemens Vectron is a modular family of electric and diesel-electric locomotives designed for versatile passenger and freight operations across European rail networks.
  • B. Bombardier TRAXX
    Bombardier TRAXX is a family of modular electric and diesel-electric locomotives widely used for passenger and freight services across Europe.
  • C. Siemens EuroSprinter
    Siemens EuroSprinter is a family of high-performance electric locomotives developed by Siemens for freight and passenger rail services across Europe and beyond.
  • D. Class 170 Turbostar
    The Class 170 Turbostar is a British diesel multiple-unit train widely used for regional and intercity services across the UK rail network.
  • E. Siemens ACS-64
    The Siemens ACS-64 is a high-speed, electric locomotive used by Amtrak for passenger rail service in the United States.
  • 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: Electrostar
Triple: [British Rail Class 379, family, Electrostar]
Generated description
Electrostar is a widely used family of British electric multiple-unit commuter trains built by Bombardier for suburban and regional services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Electrostar
Target entity description: Electrostar is a widely used family of British electric multiple-unit commuter trains built by Bombardier for suburban and regional services.
  • A. Siemens Vectron
    Siemens Vectron is a modular family of electric and diesel-electric locomotives designed for versatile passenger and freight operations across European rail networks.
  • B. Bombardier TRAXX
    Bombardier TRAXX is a family of modular electric and diesel-electric locomotives widely used for passenger and freight services across Europe.
  • C. Siemens EuroSprinter
    Siemens EuroSprinter is a family of high-performance electric locomotives developed by Siemens for freight and passenger rail services across Europe and beyond.
  • D. Class 170 Turbostar
    The Class 170 Turbostar is a British diesel multiple-unit train widely used for regional and intercity services across the UK rail network.
  • E. Siemens ACS-64
    The Siemens ACS-64 is a high-speed, electric locomotive used by Amtrak for passenger rail service in the United States.
  • 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_69c0085864a88190a569c05ff7d65f29 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c03772d9dc8190899fe49ef887e685 completed March 22, 2026, 6:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0b16ba6c881908e9a909bf86ea92d completed March 23, 2026, 3:20 a.m.
NEDg Description generation batch_69c0b2751c2081908c8d47c9c0c26e84 completed March 23, 2026, 3:24 a.m.
NED2 Entity disambiguation (via description) batch_69c0b2d6d5688190936858046377d192 completed March 23, 2026, 3:26 a.m.
Created at: March 22, 2026, 3:59 p.m.