Triple
T4466154
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Newcastle Light Rail |
E98382
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Keolis Downer
Keolis Downer is a major Australian public transport operator formed as a joint venture between Keolis (France) and Downer Group (Australia), running various rail, tram, and bus services across the country.
|
E27063
|
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: Keolis Downer | Statement: [Newcastle Light Rail, operator, Keolis Downer]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keolis Downer Context triple: [Newcastle Light Rail, operator, Keolis Downer]
-
A.
Keolis
Keolis is a major French public transport operator that manages and operates bus, tram, metro, and rail networks in numerous cities worldwide.
-
B.
Stobart Group Limited
Stobart Group Limited was a UK-based infrastructure and support services company best known for its operations in aviation, energy, and logistics, particularly through the Eddie Stobart transport brand.
-
C.
KeolisAmey Metrolink
KeolisAmey Metrolink is the private operator responsible for running and maintaining Greater Manchester’s Metrolink light rail network in England.
-
D.
FirstGroup
FirstGroup is a major UK-based transport operator that runs bus and rail services across the United Kingdom and North America.
-
E.
Systra
Systra is a global engineering and consulting firm specializing in mass transit and rail infrastructure projects.
- 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: Keolis Downer Triple: [Newcastle Light Rail, operator, Keolis Downer]
Generated description
Keolis Downer is a major Australian public transport operator formed as a joint venture between Keolis (France) and Downer Group (Australia), running various rail, tram, and bus services across the country.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Keolis Downer Target entity description: Keolis Downer is a major Australian public transport operator formed as a joint venture between Keolis (France) and Downer Group (Australia), running various rail, tram, and bus services across the country.
-
A.
Keolis
chosen
Keolis is a major French public transport operator that manages and operates bus, tram, metro, and rail networks in numerous cities worldwide.
-
B.
Stobart Group Limited
Stobart Group Limited was a UK-based infrastructure and support services company best known for its operations in aviation, energy, and logistics, particularly through the Eddie Stobart transport brand.
-
C.
KeolisAmey Metrolink
KeolisAmey Metrolink is the private operator responsible for running and maintaining Greater Manchester’s Metrolink light rail network in England.
-
D.
FirstGroup
FirstGroup is a major UK-based transport operator that runs bus and rail services across the United Kingdom and North America.
-
E.
Systra
Systra is a global engineering and consulting firm specializing in mass transit and rail infrastructure projects.
- 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_69b3454a7c608190944f5455c8031d73 |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b356991a588190be2f95fd957d7f99 |
completed | March 13, 2026, 12:13 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b62860151c8190b43465537b154f00 |
completed | March 15, 2026, 3:32 a.m. |
| NEDg | Description generation | batch_69b62c3bf15c8190826f93c4c43733e6 |
completed | March 15, 2026, 3:49 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b62cbaef8c8190b5d89a607c76eaf7 |
completed | March 15, 2026, 3:51 a.m. |
Created at: March 12, 2026, 11:34 p.m.