Triple
T7376009
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | John Bradfield |
E170124
|
entity |
| Predicate | doctoralThesis |
P6
|
FINISHED |
| Object |
The city and suburban railway system of Sydney
The city and suburban railway system of Sydney is a comprehensive urban rail network that underpins Sydney’s public transport, connecting the central business district with its surrounding suburbs through extensive above- and below-ground lines.
|
E285303
|
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: The city and suburban railway system of Sydney | Statement: [John Bradfield, doctoralThesis, The city and suburban railway system of Sydney]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: The city and suburban railway system of Sydney Context triple: [John Bradfield, doctoralThesis, The city and suburban railway system of Sydney]
-
A.
Melbourne suburban rail network
The Melbourne suburban rail network is an extensive metropolitan train system that connects central Melbourne with its surrounding suburbs through multiple electrified lines and key interchange stations.
-
B.
Melbourne public transport network
The Melbourne public transport network is an integrated system of trains, trams, and buses that provides metropolitan and suburban transit across Greater Melbourne, Australia.
-
C.
Sydney Metro
Sydney Metro is a fully automated rapid transit system serving the Sydney metropolitan area, designed to provide high-frequency, high-capacity rail services independent of the existing suburban train network.
-
D.
New South Wales rail network
The New South Wales rail network is an extensive system of passenger and freight railway lines that connects major cities, regional centres, and rural areas across the Australian state of New South Wales.
-
E.
Melbourne tram network
The Melbourne tram network is an extensive electric tram system that serves as a key component of public transport across Melbourne, Australia, and is one of the largest tram networks in the world.
- 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: The city and suburban railway system of Sydney Triple: [John Bradfield, doctoralThesis, The city and suburban railway system of Sydney]
Generated description
The city and suburban railway system of Sydney is a comprehensive urban rail network that underpins Sydney’s public transport, connecting the central business district with its surrounding suburbs through extensive above- and below-ground lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: The city and suburban railway system of Sydney Target entity description: The city and suburban railway system of Sydney is a comprehensive urban rail network that underpins Sydney’s public transport, connecting the central business district with its surrounding suburbs through extensive above- and below-ground lines.
-
A.
Melbourne suburban rail network
The Melbourne suburban rail network is an extensive metropolitan train system that connects central Melbourne with its surrounding suburbs through multiple electrified lines and key interchange stations.
-
B.
Melbourne public transport network
The Melbourne public transport network is an integrated system of trains, trams, and buses that provides metropolitan and suburban transit across Greater Melbourne, Australia.
-
C.
Sydney Metro
chosen
Sydney Metro is a fully automated rapid transit system serving the Sydney metropolitan area, designed to provide high-frequency, high-capacity rail services independent of the existing suburban train network.
-
D.
New South Wales rail network
The New South Wales rail network is an extensive system of passenger and freight railway lines that connects major cities, regional centres, and rural areas across the Australian state of New South Wales.
-
E.
Melbourne tram network
The Melbourne tram network is an extensive electric tram system that serves as a key component of public transport across Melbourne, Australia, and is one of the largest tram networks in the world.
- 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_69c68a5bfaac81909ce7f001dfb70c76 |
completed | March 27, 2026, 1:47 p.m. |
| NER | Named-entity recognition | batch_69c6f1a780f88190abf11994e307b6ad |
completed | March 27, 2026, 9:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c802d15a8481908e43701459607276 |
completed | March 28, 2026, 4:33 p.m. |
| NEDg | Description generation | batch_69c803ad72308190a9640f2fb043daab |
completed | March 28, 2026, 4:37 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c8043121988190b7c9ea0f786296c2 |
completed | March 28, 2026, 4:39 p.m. |
Created at: March 27, 2026, 3:07 p.m.