Triple
T5240962
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Brighton Main Line |
E118338
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Southern (train operating company) |
E493611
|
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: Southern (train operating company) | Statement: [Brighton Main Line, operator, Southern (train operating company)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Southern (train operating company) Context triple: [Brighton Main Line, operator, Southern (train operating company)]
-
A.
Southern (train operating company)
chosen
Southern is a British train operating company that runs commuter and regional rail services across parts of South London, Surrey, Sussex, and the South Coast of England.
-
B.
Southeastern (train operating company)
Southeastern is a British train operating company providing passenger rail services across southeast London, Kent, and parts of East Sussex.
-
C.
Southern Railway (UK)
Southern Railway (UK) was a major British railway company formed in 1923 that operated routes in southern England, including busy commuter and coastal lines, until nationalisation in 1948.
-
D.
Main Southern railway line
The Main Southern railway line is a major rail corridor in New South Wales, Australia, linking Sydney with the state’s southern regions and forming part of the key interstate route between Sydney and Melbourne.
-
E.
South Western Railway
South Western Railway is a zone of Indian Railways responsible for operating and managing rail services primarily across the state of Karnataka and parts of its neighboring regions.
- 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_69bd4467db0881909b3b0982df32cc8f |
completed | March 20, 2026, 12:58 p.m. |
| NER | Named-entity recognition | batch_69bd7b2c50508190b84bab216c30cbfe |
completed | March 20, 2026, 4:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bef8278cb88190aa1e0a42d2f8fe8d |
completed | March 21, 2026, 7:57 p.m. |
Created at: March 20, 2026, 1:49 p.m.