Triple
T12397449
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | St Chads tram stop |
E296153
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | West Midlands Metro |
E300495
|
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 Metro | Statement: [St Chads tram stop, railwayLine, West Midlands Metro]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Midlands Metro Context triple: [St Chads tram stop, railwayLine, West Midlands Metro]
-
A.
West Midlands Metro
chosen
West Midlands Metro is a light rail/tram system serving Birmingham and the wider West Midlands region in England.
-
B.
West Yorkshire Metro
West Yorkshire Metro is the public transport executive responsible for coordinating and promoting bus and rail services across the West Yorkshire region in England.
-
C.
Manchester Metrolink
Manchester Metrolink is a light rail/tram network serving Greater Manchester, England, connecting the city centre with surrounding suburbs and key regional destinations.
-
D.
Birmingham Cross-City Line
The Birmingham Cross-City Line is a suburban rail route in the West Midlands, England, running through central Birmingham and connecting various surrounding towns and districts.
-
E.
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.
- 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_69d6ad9e653c8190b1473c860ee53dae |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d93fd448f08190af425a569d7ed158 |
completed | April 10, 2026, 6:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f63480a8bc8190885130f63a3ec761 |
completed | May 2, 2026, 5:29 p.m. |
Created at: April 8, 2026, 9:54 p.m.