Triple
T2271616
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London Waterloo railway station |
E50670
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | South Western Railway services |
E77673
|
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: South Western Railway services | Statement: [London Waterloo railway station, servedBy, South Western Railway services]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: South Western Railway services Context triple: [London Waterloo railway station, servedBy, South Western Railway services]
-
A.
South Western Railway
chosen
South Western Railway is a major UK train operating company providing regional and long-distance passenger rail services across southwest London, Surrey, Hampshire, Dorset, Wiltshire, Devon, and surrounding areas.
-
B.
South West Main Line
The South West Main Line is a major railway route in southern England that connects London Waterloo with key towns and cities in Surrey, Hampshire, and Dorset.
-
C.
South West Main Line suburban branches
The South West Main Line suburban branches are a network of commuter rail lines in southwest London and Surrey that provide local passenger services connecting various suburban towns to central London.
-
D.
Brighton Line services
Brighton Line services are New York City Subway operations running along the BMT Brighton Line in Brooklyn, primarily served by the Q train and connecting southern Brooklyn neighborhoods with Midtown Manhattan.
-
E.
Southeastern (train operating company)
Southeastern is a British train operating company providing passenger rail services across southeast London, Kent, and parts of East Sussex.
- 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_69a88b05910c8190a9a2b1ff230c85f9 |
completed | March 4, 2026, 7:41 p.m. |
| NER | Named-entity recognition | batch_69abc1c0de488190876b644cdaa41637 |
completed | March 7, 2026, 6:12 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae71db927c8190a76cfb873039b04b |
completed | March 9, 2026, 7:08 a.m. |
Created at: March 4, 2026, 7:48 p.m.