Triple

T15664030
Position Surface form Disambiguated ID Type / Status
Subject Citadis 402 E376638 entity
Predicate hasVariant P455 FINISHED
Object Citadis 502
The Citadis 502 is a variant of Alstom’s Citadis low-floor light rail vehicles, designed for modern urban tramway systems with modular, customizable configurations.
 E1171285 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: Citadis 502 | Statement: [Citadis 402, hasVariant, Citadis 502]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Citadis 502
Context triple: [Citadis 402, hasVariant, Citadis 502]
  • A. Citadis 302
    The Citadis 302 is a low-floor, modular light rail tram model from Alstom’s Citadis family, widely used in urban tramway systems around the world.
  • B. Citadis 402
    The Citadis 402 is a low-floor, multi-section light rail tram model produced by Alstom for modern urban transit systems.
  • C. Citadis X05
    The Citadis X05 is a modern low-floor tram model developed by Alstom for urban light rail systems, featuring modular design and improved energy efficiency.
  • D. Citadis 403
    The Citadis 403 is a low-floor light rail tram model from Alstom’s Citadis family, designed for modern urban transit systems with high passenger capacity and modular configuration.
  • E. Citadis 304
    The Citadis 304 is a low-floor light rail tram model produced by Alstom for modern urban public transport 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: Citadis 502
Triple: [Citadis 402, hasVariant, Citadis 502]
Generated description
The Citadis 502 is a variant of Alstom’s Citadis low-floor light rail vehicles, designed for modern urban tramway systems with modular, customizable configurations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Citadis 502
Target entity description: The Citadis 502 is a variant of Alstom’s Citadis low-floor light rail vehicles, designed for modern urban tramway systems with modular, customizable configurations.
  • A. Citadis 302
    The Citadis 302 is a low-floor, modular light rail tram model from Alstom’s Citadis family, widely used in urban tramway systems around the world.
  • B. Citadis 402
    The Citadis 402 is a low-floor, multi-section light rail tram model produced by Alstom for modern urban transit systems.
  • C. Citadis X05
    The Citadis X05 is a modern low-floor tram model developed by Alstom for urban light rail systems, featuring modular design and improved energy efficiency.
  • D. Citadis 403
    The Citadis 403 is a low-floor light rail tram model from Alstom’s Citadis family, designed for modern urban transit systems with high passenger capacity and modular configuration.
  • E. Citadis 304
    The Citadis 304 is a low-floor light rail tram model produced by Alstom for modern urban public transport 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_69d85cd1564c8190991adda63bfab4b0 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04f0f4df08190ad2c5d78e435d8eb completed April 16, 2026, 2:53 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff6ed6f50c81909d87ced263064f0d completed May 9, 2026, 5:28 p.m.
NEDg Description generation batch_69ff6fd9c968819098b2552a9deb0445 completed May 9, 2026, 5:33 p.m.
NED2 Entity disambiguation (via description) batch_69ff708d42448190a53b90e00721eaa5 completed May 9, 2026, 5:36 p.m.
Created at: April 10, 2026, 4:16 a.m.