Triple
T17703014
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Walsall railway station |
E441355
|
entity |
| Predicate | isInRailTravelcardArea |
P119168
|
FINISHED |
| Object | West Midlands rail zone |
—
|
NE NERFINISHED |
How this triple was built (4 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 zone | Statement: [Walsall railway station, isInRailTravelcardArea, West Midlands rail zone]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Midlands rail zone Context triple: [Walsall railway station, isInRailTravelcardArea, West Midlands rail zone]
-
A.
West Midlands rail network
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.
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.
-
E.
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.
- 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: West Midlands rail zone Target entity description: West Midlands rail zone is a designated public transport fare area in England that defines where certain rail tickets and travelcards are valid across the West Midlands rail network.
-
A.
West Midlands rail network
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.
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.
-
E.
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.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: isInRailTravelcardArea Context triple: [Walsall railway station, isInRailTravelcardArea, West Midlands rail zone]
-
A.
isWithinLondonFareSystem
Indicates that an entity (such as a station, stop, or route) is located inside the area covered by the London public transport fare system.
-
B.
locatedInTravelcardZoneBoundary
Indicates that something lies on or within the defined boundary of a specific travelcard fare zone.
-
C.
isInNationalRailTimetable
Indicates that something is included as an entry or service in the official National Rail timetable.
-
D.
isWithinFareSystem
chosen
Indicates that one transportation service, route, or area operates under and is covered by a specified fare or ticketing system.
-
E.
isOnRailway
Indicates that one entity is positioned on, aligned with, or traveling along a railway track or railway system in relation to another entity.
- F. None of above.
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_69d8b9ea20b48190ace88bb46b01e6a9 |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e4729528b88190bd8a104f6f6d4e69 |
completed | April 19, 2026, 6:13 a.m. |
| PD | Predicate disambiguation | batch_69e3cde601d4819097903f471f1fe99a |
completed | April 18, 2026, 6:31 p.m. |
Created at: April 10, 2026, 10:05 a.m.