Triple
T20894187
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London Paddington to Birmingham via Oxford |
E514487
|
entity |
| Predicate | usesLine |
P1293
|
FINISHED |
| Object | Great Western Main Line (London Paddington–Didcot section) |
—
|
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: Great Western Main Line (London Paddington–Didcot section) | Statement: [London Paddington to Birmingham via Oxford, usesLine, Great Western Main Line (London Paddington–Didcot section)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Great Western Main Line (London Paddington–Didcot section) Context triple: [London Paddington to Birmingham via Oxford, usesLine, Great Western Main Line (London Paddington–Didcot section)]
-
A.
Wessex Main Line
The Wessex Main Line is a key railway route in southern England linking Bristol and Bath with Salisbury and Southampton, serving as an important regional passenger corridor.
-
B.
Didcot–Oxford line
The Didcot–Oxford line is a key railway route in Oxfordshire, England, linking the town of Didcot with the city of Oxford and forming part of the Great Western Main Line network.
-
C.
Chiltern Main Line
The Chiltern Main Line is a major railway route in England connecting London Marylebone with the West Midlands via key towns such as High Wycombe, Banbury, and Leamington Spa.
-
D.
West of England Main Line
The West of England Main Line is a major railway route in southwest England that connects London with Exeter and passes through several counties including Somerset.
-
E.
Oxford–Bicester line
The Oxford–Bicester line is a railway route in Oxfordshire, England, connecting Oxford with the town of Bicester as part of the regional and commuter rail network.
- 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: Great Western Main Line (London Paddington–Didcot section) Target entity description: The Great Western Main Line (London Paddington–Didcot section) is a key electrified railway corridor in southern England linking central London with the Thames Valley and forming part of major intercity and regional routes toward the Midlands and the West.
-
A.
Wessex Main Line
The Wessex Main Line is a key railway route in southern England linking Bristol and Bath with Salisbury and Southampton, serving as an important regional passenger corridor.
-
B.
Didcot–Oxford line
The Didcot–Oxford line is a key railway route in Oxfordshire, England, linking the town of Didcot with the city of Oxford and forming part of the Great Western Main Line network.
-
C.
Chiltern Main Line
The Chiltern Main Line is a major railway route in England connecting London Marylebone with the West Midlands via key towns such as High Wycombe, Banbury, and Leamington Spa.
-
D.
West of England Main Line
The West of England Main Line is a major railway route in southwest England that connects London with Exeter and passes through several counties including Somerset.
-
E.
Oxford–Bicester line
The Oxford–Bicester line is a railway route in Oxfordshire, England, connecting Oxford with the town of Bicester as part of the regional and commuter rail network.
- 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_69e0b4f7ebe48190952a85547a0f31a1 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6d06129788190b88ab807af4641c1 |
completed | April 21, 2026, 1:18 a.m. |
Created at: April 16, 2026, 12:46 p.m.