Triple
T11551991
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lichfield Trent Valley |
E273918
|
entity |
| Predicate | railwayRegion |
P15232
|
FINISHED |
| Object | West Midlands rail region |
E273923
|
NE FINISHED |
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: West Midlands rail region | Statement: [Lichfield Trent Valley, railwayRegion, West Midlands rail region]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Midlands rail region Context triple: [Lichfield Trent Valley, railwayRegion, West Midlands rail region]
-
A.
West Midlands rail network
chosen
The West Midlands rail network is a regional railway system in central England that connects major cities and towns such as Birmingham, Wolverhampton, and Coventry through a range of suburban, regional, and intercity services.
-
B.
London Midland Region
The London Midland Region was a major administrative division of British Railways responsible for rail services across central and north-western England and parts of Scotland after nationalisation in 1948.
-
C.
West Midlands Railway
West Midlands Railway is a British train operating company providing regional and commuter rail services across the West Midlands and surrounding areas of England.
-
D.
London and South East rail region
The London and South East rail region is a major railway operating area in the United Kingdom that covers London and its surrounding southeastern counties, coordinating passenger and freight rail services across this densely populated corridor.
-
E.
East Midlands rail network
The East Midlands rail network is a regional railway system in central England that connects major cities and towns such as Nottingham, Derby, Leicester, and surrounding areas through passenger and freight services.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6aae4dfa48190a3ab0b19a159a3c5 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d88a83f1e88190aabf11a4c8a6c9e5 |
completed | April 10, 2026, 5:28 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e71392d0388190971bab8906e5e6df |
completed | April 21, 2026, 6:05 a.m. |
Created at: April 8, 2026, 9:37 p.m.