Triple

T15795826
Position Surface form Disambiguated ID Type / Status
Subject Gawler railway line E382974 entity
Predicate rollingStock P1305 FINISHED
Object Adelaide Metro A-City EMU
The Adelaide Metro A-City EMU is a modern electric multiple unit train used for suburban passenger services on Adelaide’s electrified rail network.
E956946 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: Adelaide Metro A-City EMU | Statement: [Gawler railway line, rollingStock, Adelaide Metro A-City EMU]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Adelaide Metro A-City EMU
Context triple: [Gawler railway line, rollingStock, Adelaide Metro A-City EMU]
  • A. Suburban EMU
    Suburban EMU is a type of electric multiple unit train specifically designed for frequent-stop commuter and suburban rail services.
  • B. Melbourne W-class tram
    The Melbourne W-class tram is an iconic early-20th-century electric tram from Melbourne, Australia, renowned for its distinctive green-and-cream livery and wooden interior, many of which now operate as historic streetcars in cities such as San Francisco.
  • C. Rejuvenation EMU
    Rejuvenation EMU is a high-speed electric multiple unit train used in China’s Fuxing series, known for its advanced technology and fast intercity service.
  • D. NSW TrainLink Hunter railcar
    The NSW TrainLink Hunter railcar is a diesel multiple unit fleet used for regional passenger services in the Hunter region of New South Wales, Australia.
  • E. Sydney Trains T set (Tangara)
    The Sydney Trains T set, commonly known as the Tangara, is a class of double-deck electric multiple unit trains that have operated extensively across the Sydney suburban rail network since the late 1980s.
  • 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: Adelaide Metro A-City EMU
Triple: [Gawler railway line, rollingStock, Adelaide Metro A-City EMU]
Generated description
The Adelaide Metro A-City EMU is a modern electric multiple unit train used for suburban passenger services on Adelaide’s electrified rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Adelaide Metro A-City EMU
Target entity description: The Adelaide Metro A-City EMU is a modern electric multiple unit train used for suburban passenger services on Adelaide’s electrified rail network.
  • A. Suburban EMU chosen
    Suburban EMU is a type of electric multiple unit train specifically designed for frequent-stop commuter and suburban rail services.
  • B. Melbourne W-class tram
    The Melbourne W-class tram is an iconic early-20th-century electric tram from Melbourne, Australia, renowned for its distinctive green-and-cream livery and wooden interior, many of which now operate as historic streetcars in cities such as San Francisco.
  • C. Rejuvenation EMU
    Rejuvenation EMU is a high-speed electric multiple unit train used in China’s Fuxing series, known for its advanced technology and fast intercity service.
  • D. NSW TrainLink Hunter railcar
    The NSW TrainLink Hunter railcar is a diesel multiple unit fleet used for regional passenger services in the Hunter region of New South Wales, Australia.
  • E. Sydney Trains T set (Tangara)
    The Sydney Trains T set, commonly known as the Tangara, is a class of double-deck electric multiple unit trains that have operated extensively across the Sydney suburban rail network since the late 1980s.
  • 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_69d86da16e188190b89af699f1ed0bfe completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e0b4dc887081909d682ae153f06d97 completed April 16, 2026, 10:07 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff90aea81c8190ad8bc0cdedf4b77a completed May 9, 2026, 7:53 p.m.
NEDg Description generation batch_69ff93b24828819092841bc02059995d completed May 9, 2026, 8:06 p.m.
NED2 Entity disambiguation (via description) batch_69ff9435b800819093985b293a541e46 completed May 9, 2026, 8:08 p.m.
Created at: April 10, 2026, 4:48 a.m.