Triple
T19335486
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Grateley railway station |
E483611
|
entity |
| Predicate | servesRoute |
P31354
|
FINISHED |
| Object | London Waterloo–Salisbury line |
—
|
NE NERFINISHED |
How this triple was built (3 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–Salisbury line | Statement: [Grateley railway station, servesRoute, London Waterloo–Salisbury line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Waterloo–Salisbury line Context triple: [Grateley railway station, servesRoute, London Waterloo–Salisbury line]
-
A.
London Waterloo–Reading line
The London Waterloo–Reading line is a key suburban and regional rail route in southern England linking central London’s Waterloo station with Reading via towns in Surrey and Berkshire.
-
B.
Brighton Line
The Brighton Line is a major New York City Subway route in Brooklyn that carries B and Q trains between Coney Island and Midtown Manhattan.
-
C.
Severn Beach Line
The Severn Beach Line is a suburban railway route in the Bristol area of England, running from the city through its northern suburbs to the coastal village of Severn Beach.
-
D.
Charing Cross–Dartford line
The Charing Cross–Dartford line is a suburban railway route in southeast London and Kent, providing commuter services between central London and Dartford via stations such as Waterloo East.
-
E.
London Waterloo to Dorking line
The London Waterloo to Dorking line is a suburban railway route in South West London and Surrey that connects central London’s Waterloo station with the town of Dorking, serving intermediate commuter stations such as Stoneleigh.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: London Waterloo–Salisbury line Target entity description: The London Waterloo–Salisbury line is a key railway route in southern England linking central London with Salisbury and intermediate towns across Hampshire and Wiltshire.
-
A.
London Waterloo–Reading line
The London Waterloo–Reading line is a key suburban and regional rail route in southern England linking central London’s Waterloo station with Reading via towns in Surrey and Berkshire.
-
B.
Brighton Line
The Brighton Line is a major New York City Subway route in Brooklyn that carries B and Q trains between Coney Island and Midtown Manhattan.
-
C.
Severn Beach Line
The Severn Beach Line is a suburban railway route in the Bristol area of England, running from the city through its northern suburbs to the coastal village of Severn Beach.
-
D.
Charing Cross–Dartford line
The Charing Cross–Dartford line is a suburban railway route in southeast London and Kent, providing commuter services between central London and Dartford via stations such as Waterloo East.
-
E.
London Waterloo to Dorking line
The London Waterloo to Dorking line is a suburban railway route in South West London and Surrey that connects central London’s Waterloo station with the town of Dorking, serving intermediate commuter stations such as Stoneleigh.
- F. None of above. chosen
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_69d8e8d13e3c81909d91d1d5ec37c095 |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e61644b80c819080f9bca086424a36 |
completed | April 20, 2026, 12:04 p.m. |
Created at: April 10, 2026, 1:33 p.m.