Triple
T12737124
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Airtrain |
E304390
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Airtrain Citylink Pty Ltd
Airtrain Citylink Pty Ltd is an Australian private company that owns and operates the Brisbane Airport rail link under a long-term public–private partnership.
|
E1001193
|
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: Airtrain Citylink Pty Ltd | Statement: [Airtrain, operator, Airtrain Citylink Pty Ltd]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Airtrain Citylink Pty Ltd Context triple: [Airtrain, operator, Airtrain Citylink Pty Ltd]
-
A.
UGL Rail
UGL Rail is an Australian engineering and rail services company that designs, manufactures, and maintains rolling stock and rail infrastructure.
-
B.
Bayside Trains
Bayside Trains was a former suburban rail operator in Melbourne, Australia, responsible for running metropolitan train services before the network was restructured and rebranded.
-
C.
Abellio
Abellio is a Dutch-based public transport company that operates train and bus services in the United Kingdom and parts of Europe.
-
D.
KeolisAmey Metrolink
KeolisAmey Metrolink is the private operator responsible for running and maintaining Greater Manchester’s Metrolink light rail network in England.
-
E.
CITYLINK
CITYLINK is a family of modular, low-floor light rail and tram-train vehicles manufactured by Stadler Rail for flexible urban and regional passenger transport.
- 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: Airtrain Citylink Pty Ltd Triple: [Airtrain, operator, Airtrain Citylink Pty Ltd]
Generated description
Airtrain Citylink Pty Ltd is an Australian private company that owns and operates the Brisbane Airport rail link under a long-term public–private partnership.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Airtrain Citylink Pty Ltd Target entity description: Airtrain Citylink Pty Ltd is an Australian private company that owns and operates the Brisbane Airport rail link under a long-term public–private partnership.
-
A.
UGL Rail
UGL Rail is an Australian engineering and rail services company that designs, manufactures, and maintains rolling stock and rail infrastructure.
-
B.
Bayside Trains
Bayside Trains was a former suburban rail operator in Melbourne, Australia, responsible for running metropolitan train services before the network was restructured and rebranded.
-
C.
Abellio
Abellio is a Dutch-based public transport company that operates train and bus services in the United Kingdom and parts of Europe.
-
D.
KeolisAmey Metrolink
KeolisAmey Metrolink is the private operator responsible for running and maintaining Greater Manchester’s Metrolink light rail network in England.
-
E.
CITYLINK
CITYLINK is a family of modular, low-floor light rail and tram-train vehicles manufactured by Stadler Rail for flexible urban and regional passenger transport.
- 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_69d7bdf1426c8190a4402e1c4cdec33a |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d9646cfcac81909283dca987755c0e |
completed | April 10, 2026, 8:58 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f67c8e2dbc81909c1c85ca699a2679 |
completed | May 2, 2026, 10:37 p.m. |
| NEDg | Description generation | batch_69f67d888d7c8190b9aaeb877984a403 |
completed | May 2, 2026, 10:41 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f67e0f48e4819085905564f5540f37 |
completed | May 2, 2026, 10:43 p.m. |
Created at: April 9, 2026, 5:26 p.m.