Triple
T20771853
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London Euston – Liverpool |
E511254
|
entity |
| Predicate | locatedOnCorridor |
P5520
|
FINISHED |
| Object | London–North West rail corridor |
—
|
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–North West rail corridor | Statement: [London Euston – Liverpool, locatedOnCorridor, London–North West rail corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London–North West rail corridor Context triple: [London Euston – Liverpool, locatedOnCorridor, London–North West rail corridor]
-
A.
London–Oxford rail corridor
The London–Oxford rail corridor is a key railway route in England that connects London with the historic city of Oxford via several main and branch lines.
-
B.
London–Bristol rail corridor
The London–Bristol rail corridor is a major intercity railway route in England linking the capital with the city of Bristol via key intermediate towns and lines.
-
C.
London–Birmingham transport corridor
The London–Birmingham transport corridor is a major strategic route in England that links the capital with Birmingham through a combination of key motorways, rail lines, and other transport infrastructure.
-
D.
Birmingham–Lichfield rail corridor
The Birmingham–Lichfield rail corridor is a key suburban and regional railway route in the West Midlands of England, linking central Birmingham with the city of Lichfield and serving as part of the Cross-City Line.
-
E.
South Eastern Main Line
The South Eastern Main Line is a major railway route in southeast England connecting London with key towns in Kent and the surrounding region.
- 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–North West rail corridor Target entity description: The London–North West rail corridor is a major intercity railway route in the United Kingdom linking London with key cities in the North West of England, including Liverpool and Manchester.
-
A.
London–Oxford rail corridor
The London–Oxford rail corridor is a key railway route in England that connects London with the historic city of Oxford via several main and branch lines.
-
B.
London–Bristol rail corridor
The London–Bristol rail corridor is a major intercity railway route in England linking the capital with the city of Bristol via key intermediate towns and lines.
-
C.
London–Birmingham transport corridor
The London–Birmingham transport corridor is a major strategic route in England that links the capital with Birmingham through a combination of key motorways, rail lines, and other transport infrastructure.
-
D.
Birmingham–Lichfield rail corridor
The Birmingham–Lichfield rail corridor is a key suburban and regional railway route in the West Midlands of England, linking central Birmingham with the city of Lichfield and serving as part of the Cross-City Line.
-
E.
South Eastern Main Line
The South Eastern Main Line is a major railway route in southeast England connecting London with key towns in Kent and the surrounding region.
- 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_69e0b4ca01148190ac018e57e0cab46f |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c2681ff88190bfe5938c2db6b2c4 |
completed | April 21, 2026, 12:18 a.m. |
Created at: April 16, 2026, 12:37 p.m.