Triple

T19232445
Position Surface form Disambiguated ID Type / Status
Subject Melbourne W-class tram E480903 entity
Predicate subclass P1244 FINISHED
Object W6-class tram
The W6-class tram is a later variant of Melbourne’s iconic W-class electric trams, featuring updated design and comfort improvements while retaining the classic heritage style.
 E1373143 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: W6-class tram | Statement: [Melbourne W-class tram, subclass, W6-class tram]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: W6-class tram
Context triple: [Melbourne W-class tram, subclass, W6-class tram]
  • A. W4-class tram
    The W4-class tram is a specific variant of Melbourne’s iconic W-class electric trams, distinguished by its wider body and design improvements for increased passenger comfort and capacity.
  • B. W3-class tram
    The W3-class tram is an early variant of Melbourne’s iconic W-class electric trams, featuring a larger, wider body and improved passenger capacity compared to its predecessors.
  • C. W5-class tram
    The W5-class tram is a later, modernized variant of Melbourne’s iconic W-class trams, featuring updated design and improved passenger capacity for use on the city’s tram network.
  • D. W1-class tram
    The W1-class tram was an early 20th-century electric tram design used in Melbourne, Australia, notable for its open cross-bench layout and role in the evolution of the city’s iconic W-class tram fleet.
  • E. T-68 tram
    The T-68 tram was a type of light rail vehicle used on Greater Manchester’s Metrolink system in the UK before being replaced by newer models.
  • 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: W6-class tram
Triple: [Melbourne W-class tram, subclass, W6-class tram]
Generated description
The W6-class tram is a later variant of Melbourne’s iconic W-class electric trams, featuring updated design and comfort improvements while retaining the classic heritage style.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: W6-class tram
Target entity description: The W6-class tram is a later variant of Melbourne’s iconic W-class electric trams, featuring updated design and comfort improvements while retaining the classic heritage style.
  • A. W4-class tram
    The W4-class tram is a specific variant of Melbourne’s iconic W-class electric trams, distinguished by its wider body and design improvements for increased passenger comfort and capacity.
  • B. W3-class tram
    The W3-class tram is an early variant of Melbourne’s iconic W-class electric trams, featuring a larger, wider body and improved passenger capacity compared to its predecessors.
  • C. W5-class tram
    The W5-class tram is a later, modernized variant of Melbourne’s iconic W-class trams, featuring updated design and improved passenger capacity for use on the city’s tram network.
  • D. W1-class tram
    The W1-class tram was an early 20th-century electric tram design used in Melbourne, Australia, notable for its open cross-bench layout and role in the evolution of the city’s iconic W-class tram fleet.
  • E. T-68 tram
    The T-68 tram was a type of light rail vehicle used on Greater Manchester’s Metrolink system in the UK before being replaced by newer models.
  • 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_69d8e8ccb8f48190ad420098e74fb1db completed April 10, 2026, 12:10 p.m.
NER Named-entity recognition batch_69e5fa9db56081908f50d318d7fc9eaa completed April 20, 2026, 10:06 a.m.
NED1 Entity disambiguation (via context triple) batch_6a072b6ba6f88190afa88ae0547217df completed May 15, 2026, 2:19 p.m.
NEDg Description generation batch_6a072cc9cf6881908d41e05cb5cae62e completed May 15, 2026, 2:25 p.m.
NED2 Entity disambiguation (via description) batch_6a072d2187f48190aaf406e241960e60 completed May 15, 2026, 2:26 p.m.
Created at: April 10, 2026, 1:25 p.m.