Triple
T21000868
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Portsmouth Direct Line |
E517281
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | London Waterloo |
—
|
NE NERFINISHED |
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: London Waterloo | Statement: [Portsmouth Direct Line, terminus, London Waterloo]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Waterloo Context triple: [Portsmouth Direct Line, terminus, London Waterloo]
-
A.
London Waterloo East
London Waterloo East is a central London railway station serving suburban and regional services, located near Waterloo and connected by footbridge to the main Waterloo station complex.
-
B.
London Waterloo railway station
chosen
London Waterloo railway station is a major central London terminus and one of the busiest railway stations in the United Kingdom, serving as a key hub for suburban and long-distance services in the south of England.
-
C.
London Paddington
London Paddington is a major central London railway terminus and transport hub, best known as the historic Great Western Railway terminus and a key gateway to western England and Heathrow Airport.
-
D.
London Victoria
London Victoria is a major central London railway terminus and Underground station, serving as a key hub for commuter, regional, and Gatwick Airport services.
-
E.
London Waterloo–Woking–Alton
London Waterloo–Woking–Alton is a suburban and regional rail route in southern England linking central London with the towns of Woking and Alton in Surrey and Hampshire.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0b5006e2881909fc2383f841740cc |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e6fc24a6dc8190a6bf81cf1d9590c0 |
completed | April 21, 2026, 4:25 a.m. |
Created at: April 16, 2026, 1:52 p.m.