Triple

T3515767
Position Surface form Disambiguated ID Type / Status
Subject Turin Metro E74302 entity
Predicate usesTechnology P1485 FINISHED
Object VAL (Véhicule Automatique Léger)
VAL (Véhicule Automatique Léger) is a fully automated, driverless light metro system widely used in urban public transit networks.
 E365558 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: VAL (Véhicule Automatique Léger) | Statement: [Turin Metro, usesTechnology, VAL (Véhicule Automatique Léger)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: VAL (Véhicule Automatique Léger)
Context triple: [Turin Metro, usesTechnology, VAL (Véhicule Automatique Léger)]
  • A. Citroën Ami (electric quadricycle)
    The Citroën Ami is a compact, fully electric two-seat urban quadricycle designed for short-distance city travel and often accessible to younger drivers without a full car license.
  • B. Tramway T2
    Tramway T2 is a Paris-region light rail line connecting La Défense to Porte de Versailles via western suburbs such as Saint-Cloud.
  • C. Alstom Citadis tram
    The Alstom Citadis tram is a family of modern low-floor light rail vehicles widely used in urban tram networks around the world.
  • D. Tramway T5
    Tramway T5 is a light rail line in the northern suburbs of Paris that forms part of the Île-de-France tramway network, connecting key residential and commercial areas.
  • E. CAF Urbos 3
    The CAF Urbos 3 is a modern low-floor light rail tram model built by Spanish manufacturer CAF and used in various urban tram systems worldwide.
  • 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: VAL (Véhicule Automatique Léger)
Triple: [Turin Metro, usesTechnology, VAL (Véhicule Automatique Léger)]
Generated description
VAL (Véhicule Automatique Léger) is a fully automated, driverless light metro system widely used in urban public transit networks.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: VAL (Véhicule Automatique Léger)
Target entity description: VAL (Véhicule Automatique Léger) is a fully automated, driverless light metro system widely used in urban public transit networks.
  • A. Citroën Ami (electric quadricycle)
    The Citroën Ami is a compact, fully electric two-seat urban quadricycle designed for short-distance city travel and often accessible to younger drivers without a full car license.
  • B. Tramway T2
    Tramway T2 is a Paris-region light rail line connecting La Défense to Porte de Versailles via western suburbs such as Saint-Cloud.
  • C. Alstom Citadis tram
    The Alstom Citadis tram is a family of modern low-floor light rail vehicles widely used in urban tram networks around the world.
  • D. Tramway T5
    Tramway T5 is a light rail line in the northern suburbs of Paris that forms part of the Île-de-France tramway network, connecting key residential and commercial areas.
  • E. CAF Urbos 3
    The CAF Urbos 3 is a modern low-floor light rail tram model built by Spanish manufacturer CAF and used in various urban tram systems worldwide.
  • 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_69ad85cfb5c881909c9a2edd9d6043cc completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adbc30362c81908ca7497a6a935cc6 completed March 8, 2026, 6:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69b37e7a5ab08190971c9dfd6550eb2d completed March 13, 2026, 3:03 a.m.
NEDg Description generation batch_69b37ff7b1c8819085b16ea9eb9175eb completed March 13, 2026, 3:09 a.m.
NED2 Entity disambiguation (via description) batch_69b3808903e481908d312766e126204f completed March 13, 2026, 3:12 a.m.
Created at: March 8, 2026, 3:19 p.m.