Triple
T13906066
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Marple railway station |
E334353
|
entity |
| Predicate | preGroupingOperator |
P179
|
FINISHED |
| Object | Great Central Railway |
E195629
|
NE FINISHED |
How this triple was built (2 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: Great Central Railway | Statement: [Marple railway station, preGroupingOperator, Great Central Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Great Central Railway Context triple: [Marple railway station, preGroupingOperator, Great Central Railway]
-
A.
Great Central Railway
chosen
The Great Central Railway was a major British railway company that operated routes in northern England and the Midlands before being absorbed into the London and North Eastern Railway in 1923.
-
B.
Main Line of Central Railway
The Main Line of Central Railway is a major suburban and long-distance rail corridor in the Mumbai metropolitan region, forming the core spine of Central Railway’s passenger network.
-
C.
Great Eastern Main Line
The Great Eastern Main Line is a major railway route in England connecting London with key towns and cities in Essex, Suffolk, and Norfolk.
-
D.
Central Railway
Central Railway is one of the major zones of Indian Railways, headquartered in Mumbai and responsible for operating key rail routes and suburban services in western and central India.
-
E.
North–South Railway
The North–South Railway is Vietnam’s principal rail line, running the length of the country and connecting major cities from Hanoi to Ho Chi Minh City.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d81c5eaa9c819083b1ff8689179565 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de25dc26cc8190a7909980b1d34933 |
completed | April 14, 2026, 11:32 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f7ce7638a88190aae1b59c00ee27ce |
completed | May 3, 2026, 10:38 p.m. |
Created at: April 9, 2026, 10:16 p.m.