Triple
T21878837
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 168 |
E540223
|
entity |
| Predicate | primaryRoute |
P6298
|
FINISHED |
| Object | London Marylebone – Birmingham |
—
|
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 Marylebone – Birmingham | Statement: [British Rail Class 168, primaryRoute, London Marylebone – Birmingham]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Marylebone – Birmingham Context triple: [British Rail Class 168, primaryRoute, London Marylebone – Birmingham]
-
A.
London and Birmingham
London and Birmingham are two major English cities—one the capital and largest city of the UK, the other a key industrial and cultural center in the West Midlands—linked by important transport routes such as the M40 motorway.
-
B.
London Marylebone – Kidderminster
London Marylebone – Kidderminster is a regional passenger rail route in England linking central London with the Worcestershire town of Kidderminster.
-
C.
London Marylebone
London Marylebone is a central London railway terminus and London Underground station, serving as the main hub for Chiltern Railways services to destinations in the Midlands and beyond.
-
D.
London–Manchester
London–Manchester is a major intercity travel corridor in England connecting the capital city of London with the northern city of Manchester.
-
E.
London Marylebone – Birmingham Snow Hill route
chosen
The London Marylebone – Birmingham Snow Hill route is a key intercity and commuter rail corridor in England linking central London with Birmingham via intermediate towns such as Warwick.
- 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_69e0c479a98081908ce333853fdd4348 |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f118e42c108190b6308016655c429e |
completed | April 28, 2026, 8:30 p.m. |
Created at: April 16, 2026, 7:03 p.m.