Triple

T16914362
Position Surface form Disambiguated ID Type / Status
Subject Helsinki tram network E410283 entity
Predicate notableRollingStock P125202 FINISHED
Object Variotram
Variotram is a low-floor articulated tram model that has been used as a key part of the modern rolling stock on the Helsinki tram network.
 E1239878 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: Variotram | Statement: [Helsinki tram network, notableRollingStock, Variotram]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Variotram
Context triple: [Helsinki tram network, notableRollingStock, Variotram]
  • A. Tramway T12 Express
    Tramway T12 Express is a regional light rail line in the southern suburbs of Paris that connects Massy-Palaiseau to Évry-Courcouronnes, improving suburban east–west transit in Île-de-France.
  • B. Tramway T13 Express
    Tramway T13 Express is a regional express tram-train line in the Île-de-France area that connects suburban communities with Paris’s wider public transport network.
  • C. Tramway T11 Express
    Tramway T11 Express is a suburban tram-train line in the northern Paris region that provides an orbital connection between several major railway lines in Île-de-France.
  • D. Tramway T10
    Tramway T10 is a modern Île-de-France tram line serving the southern suburbs of Paris, including the commune of Châtenay-Malabry.
  • E. Tramway T3b
    Tramway T3b is a Paris tram line running along the northeastern edge of the city, serving as part of the modern orbital tram network that connects multiple metro and RER lines.
  • 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: Variotram
Triple: [Helsinki tram network, notableRollingStock, Variotram]
Generated description
Variotram is a low-floor articulated tram model that has been used as a key part of the modern rolling stock on the Helsinki tram network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Variotram
Target entity description: Variotram is a low-floor articulated tram model that has been used as a key part of the modern rolling stock on the Helsinki tram network.
  • A. Tramway T12 Express
    Tramway T12 Express is a regional light rail line in the southern suburbs of Paris that connects Massy-Palaiseau to Évry-Courcouronnes, improving suburban east–west transit in Île-de-France.
  • B. Tramway T13 Express
    Tramway T13 Express is a regional express tram-train line in the Île-de-France area that connects suburban communities with Paris’s wider public transport network.
  • C. Tramway T11 Express
    Tramway T11 Express is a suburban tram-train line in the northern Paris region that provides an orbital connection between several major railway lines in Île-de-France.
  • D. Tramway T10
    Tramway T10 is a modern Île-de-France tram line serving the southern suburbs of Paris, including the commune of Châtenay-Malabry.
  • E. Tramway T3b
    Tramway T3b is a Paris tram line running along the northeastern edge of the city, serving as part of the modern orbital tram network that connects multiple metro and RER lines.
  • 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_69d886c7b1e481908c3766dfa8c13458 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3ca3f1a2c8190a512ccc09a080eb4 completed April 18, 2026, 6:15 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00c7be679c8190b9d0b0b9cfe185d3 completed May 10, 2026, 6 p.m.
NEDg Description generation batch_6a00c9059a2c819099ede5a7b6e25b18 completed May 10, 2026, 6:05 p.m.
NED2 Entity disambiguation (via description) batch_6a00c9d1c6a0819083635b8246cc82e7 completed May 10, 2026, 6:09 p.m.
Created at: April 10, 2026, 5:30 a.m.