Triple

T15292558
Position Surface form Disambiguated ID Type / Status
Subject Turin public transport network E365562 entity
Predicate hasTramLine P17788 FINISHED
Object Turin tram network
The Turin tram network is an urban light rail system serving the Italian city of Turin, providing key surface transit connections across its metropolitan area.
 E365562 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: Turin tram network | Statement: [Turin public transport network, hasTramLine, Turin tram network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Turin tram network
Context triple: [Turin public transport network, hasTramLine, Turin tram network]
  • A. Turin public transport network
    The Turin public transport network is the integrated system of buses, trams, and metro services that provides urban and suburban mobility throughout the city of Turin and its surrounding areas.
  • B. Turin Metro
    The Turin Metro is a fully automated, driverless rapid transit system serving the city of Turin, Italy.
  • C. Milan municipal tramway system
    The Milan municipal tramway system is the extensive urban tram network serving Milan, Italy, known for its historic rolling stock and central role in the city’s public transportation.
  • D. Turin railway network
    The Turin railway network is the integrated system of rail lines and stations serving the city of Turin and its metropolitan area in northern Italy.
  • E. Brescia Metro
    Brescia Metro is a fully automated light metro system serving the city of Brescia in northern Italy.
  • 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: Turin tram network
Triple: [Turin public transport network, hasTramLine, Turin tram network]
Generated description
The Turin tram network is an urban light rail system serving the Italian city of Turin, providing key surface transit connections across its metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Turin tram network
Target entity description: The Turin tram network is an urban light rail system serving the Italian city of Turin, providing key surface transit connections across its metropolitan area.
  • A. Turin public transport network chosen
    The Turin public transport network is the integrated system of buses, trams, and metro services that provides urban and suburban mobility throughout the city of Turin and its surrounding areas.
  • B. Turin Metro
    The Turin Metro is a fully automated, driverless rapid transit system serving the city of Turin, Italy.
  • C. Milan municipal tramway system
    The Milan municipal tramway system is the extensive urban tram network serving Milan, Italy, known for its historic rolling stock and central role in the city’s public transportation.
  • D. Turin railway network
    The Turin railway network is the integrated system of rail lines and stations serving the city of Turin and its metropolitan area in northern Italy.
  • E. Brescia Metro
    Brescia Metro is a fully automated light metro system serving the city of Brescia in northern Italy.
  • F. None of above.

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_69d85a103d9081908c1ea6c4c73ac8e3 completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e03682ea488190ac82fdbd0e855d34 completed April 16, 2026, 1:08 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff4542d4308190bebf13dff1ebfe08 completed May 9, 2026, 2:31 p.m.
NEDg Description generation batch_69ff46c9b1cc81909b07dea0dbd096fa completed May 9, 2026, 2:38 p.m.
NED2 Entity disambiguation (via description) batch_69ff473c46ac81909538c58ccc993ae1 completed May 9, 2026, 2:39 p.m.
Created at: April 10, 2026, 3:15 a.m.