Triple
T3314744
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | New South Wales rail network |
E69654
|
entity |
| Predicate | maintainedBy |
P86
|
FINISHED |
| Object |
John Holland Rail
John Holland Rail is an Australian rail infrastructure company responsible for operating and maintaining significant portions of the railway network in New South Wales.
|
E346505
|
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: John Holland Rail | Statement: [New South Wales rail network, maintainedBy, John Holland Rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: John Holland Rail Context triple: [New South Wales rail network, maintainedBy, John Holland Rail]
-
A.
Hitachi Rail
Hitachi Rail is a global rail transport and engineering company that designs, manufactures, and maintains trains and railway systems for urban, intercity, and high-speed networks.
-
B.
Robert Stephenson and Company
Robert Stephenson and Company was a pioneering 19th-century British locomotive manufacturing firm that played a key role in the early development of steam railway engines.
-
C.
British Rail Engineering Limited
British Rail Engineering Limited was the former engineering subsidiary of British Rail, responsible for designing, building, and maintaining much of the UK’s rolling stock and railway equipment.
-
D.
Dorman Long and Co Ltd
Dorman Long and Co Ltd was a prominent British engineering and steel company best known for designing and building major steel bridges and structures worldwide, including the Sydney Harbour Bridge.
-
E.
Murray & Roberts
Murray & Roberts is a major South African engineering and construction group known for delivering large, complex infrastructure and building projects worldwide.
- 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: John Holland Rail Triple: [New South Wales rail network, maintainedBy, John Holland Rail]
Generated description
John Holland Rail is an Australian rail infrastructure company responsible for operating and maintaining significant portions of the railway network in New South Wales.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: John Holland Rail Target entity description: John Holland Rail is an Australian rail infrastructure company responsible for operating and maintaining significant portions of the railway network in New South Wales.
-
A.
Hitachi Rail
Hitachi Rail is a global rail transport and engineering company that designs, manufactures, and maintains trains and railway systems for urban, intercity, and high-speed networks.
-
B.
Robert Stephenson and Company
Robert Stephenson and Company was a pioneering 19th-century British locomotive manufacturing firm that played a key role in the early development of steam railway engines.
-
C.
British Rail Engineering Limited
British Rail Engineering Limited was the former engineering subsidiary of British Rail, responsible for designing, building, and maintaining much of the UK’s rolling stock and railway equipment.
-
D.
Dorman Long and Co Ltd
Dorman Long and Co Ltd was a prominent British engineering and steel company best known for designing and building major steel bridges and structures worldwide, including the Sydney Harbour Bridge.
-
E.
Murray & Roberts
Murray & Roberts is a major South African engineering and construction group known for delivering large, complex infrastructure and building projects worldwide.
- 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_69ad85a0bb048190a5458d2738012d61 |
completed | March 8, 2026, 2:20 p.m. |
| NER | Named-entity recognition | batch_69adb10f97b48190afb9c3864faf8cb2 |
completed | March 8, 2026, 5:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b2f3f760348190abd8854c369cb41b |
completed | March 12, 2026, 5:12 p.m. |
| NEDg | Description generation | batch_69b2fa1dafe8819094905ac930fd1761 |
completed | March 12, 2026, 5:38 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b312b902fc819081ec01c3d418fae0 |
completed | March 12, 2026, 7:23 p.m. |
Created at: March 8, 2026, 3:11 p.m.