Triple
T21572266
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | InterCity 225 |
E532312
|
entity |
| Predicate | designedFor |
P98
|
FINISHED |
| Object | East Coast Main Line electrification |
—
|
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: East Coast Main Line electrification | Statement: [InterCity 225, designedFor, East Coast Main Line electrification]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: East Coast Main Line electrification Context triple: [InterCity 225, designedFor, East Coast Main Line electrification]
-
A.
Northeast Corridor electrified services
Northeast Corridor electrified services are high-speed, overhead-wire-powered passenger rail operations along the busy Boston–Washington, D.C. corridor, primarily using electric locomotives and electric multiple units rather than bi-level Superliner cars.
-
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.
Glasgow North Electric scheme
The Glasgow North Electric scheme was a mid-20th-century railway modernization project that introduced electric traction to suburban lines in the north of Glasgow, significantly improving commuter rail services in the region.
-
D.
London to Folkestone high-speed line
The London to Folkestone high-speed line is a major UK railway route, largely used by Eurostar and domestic high-speed services, that connects London with the Channel Tunnel and the Kent coast.
-
E.
Northampton Loop Line
The Northampton Loop Line is a railway branch of the West Coast Main Line in England that diverts via Northampton, providing passenger and freight services between Rugby and Milton Keynes.
- 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: East Coast Main Line electrification Target entity description: East Coast Main Line electrification is the large-scale project that converted the key rail route between London and northeastern England to electric power, enabling faster, more efficient high-speed train services.
-
A.
Northeast Corridor electrified services
Northeast Corridor electrified services are high-speed, overhead-wire-powered passenger rail operations along the busy Boston–Washington, D.C. corridor, primarily using electric locomotives and electric multiple units rather than bi-level Superliner cars.
-
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.
Glasgow North Electric scheme
The Glasgow North Electric scheme was a mid-20th-century railway modernization project that introduced electric traction to suburban lines in the north of Glasgow, significantly improving commuter rail services in the region.
-
D.
London to Folkestone high-speed line
The London to Folkestone high-speed line is a major UK railway route, largely used by Eurostar and domestic high-speed services, that connects London with the Channel Tunnel and the Kent coast.
-
E.
Northampton Loop Line
The Northampton Loop Line is a railway branch of the West Coast Main Line in England that diverts via Northampton, providing passenger and freight services between Rugby and Milton Keynes.
- 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_69e0c460db088190828c64206a450273 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69eee9cd50188190b44eb25fb87312bb |
completed | April 27, 2026, 4:45 a.m. |
Created at: April 16, 2026, 6:30 p.m.