Triple

T4721163
Position Surface form Disambiguated ID Type / Status
Subject Sheffield Supertram E104768 entity
Predicate fleet P6198 FINISHED
Object Vossloh Citylink tram-train vehicles
Vossloh Citylink tram-train vehicles are modern, dual-mode light rail units designed to operate seamlessly on both urban tram networks and mainline railway tracks.
 E466540 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: Vossloh Citylink tram-train vehicles | Statement: [Sheffield Supertram, fleet, Vossloh Citylink tram-train vehicles]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Vossloh Citylink tram-train vehicles
Context triple: [Sheffield Supertram, fleet, Vossloh Citylink tram-train vehicles]
  • A. Siemens S700 light rail vehicles
    Siemens S700 light rail vehicles are modern low-floor light rail cars designed by Siemens Mobility for urban transit systems, featuring improved accessibility, energy efficiency, and passenger comfort.
  • B. Siemens–Duewag Supertram vehicles
    Siemens–Duewag Supertram vehicles are a fleet of modern light rail trams built by Siemens and Duewag, used to operate the Sheffield Supertram network in South Yorkshire, England.
  • C. Siemens P2000 light rail vehicles
    Siemens P2000 light rail vehicles are a fleet of electric light rail cars built by Siemens for use on Los Angeles Metro Rail lines.
  • D. Siemens-Duewag U2
    The Siemens-Duewag U2 is a high-floor light rail vehicle widely used in North American transit systems, notably in early expansions of Calgary’s CTrain network.
  • E. 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.
  • 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: Vossloh Citylink tram-train vehicles
Triple: [Sheffield Supertram, fleet, Vossloh Citylink tram-train vehicles]
Generated description
Vossloh Citylink tram-train vehicles are modern, dual-mode light rail units designed to operate seamlessly on both urban tram networks and mainline railway tracks.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Vossloh Citylink tram-train vehicles
Target entity description: Vossloh Citylink tram-train vehicles are modern, dual-mode light rail units designed to operate seamlessly on both urban tram networks and mainline railway tracks.
  • A. Siemens S700 light rail vehicles
    Siemens S700 light rail vehicles are modern low-floor light rail cars designed by Siemens Mobility for urban transit systems, featuring improved accessibility, energy efficiency, and passenger comfort.
  • B. Siemens–Duewag Supertram vehicles
    Siemens–Duewag Supertram vehicles are a fleet of modern light rail trams built by Siemens and Duewag, used to operate the Sheffield Supertram network in South Yorkshire, England.
  • C. Siemens P2000 light rail vehicles
    Siemens P2000 light rail vehicles are a fleet of electric light rail cars built by Siemens for use on Los Angeles Metro Rail lines.
  • D. Siemens-Duewag U2
    The Siemens-Duewag U2 is a high-floor light rail vehicle widely used in North American transit systems, notably in early expansions of Calgary’s CTrain network.
  • E. 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.
  • 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_69bd43ec4a348190bc41afae43375e71 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd642a1a808190afeefc9d65e6c539 completed March 20, 2026, 3:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69be39ff21f0819094a273a0f26b22f4 completed March 21, 2026, 6:26 a.m.
NEDg Description generation batch_69be3adc766c8190ae5cbe5be14b720a completed March 21, 2026, 6:29 a.m.
NED2 Entity disambiguation (via description) batch_69be3b645aac8190a6765f0679dd3735 completed March 21, 2026, 6:32 a.m.
Created at: March 20, 2026, 1:18 p.m.