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.