Triple
T13010497
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Birmingham city centre |
E322395
|
entity |
| Predicate | transport |
P230
|
FINISHED |
| Object | Midland Metro tram services |
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: Midland Metro tram services | Statement: [Birmingham city centre, transport, Midland Metro tram services]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Midland Metro tram services Context triple: [Birmingham city centre, transport, Midland Metro tram services]
-
A.
Sheffield Supertram
Sheffield Supertram is a modern light rail and tram network serving the city of Sheffield and its surrounding areas in South Yorkshire, England.
-
B.
Edinburgh Trams
Edinburgh Trams is a modern light rail system in Edinburgh, Scotland, providing urban and suburban passenger transport across the city.
-
C.
Nottingham Express Transit
Nottingham Express Transit is a modern tram network serving the city of Nottingham and its surrounding areas in England.
-
D.
Tramlink
Tramlink is a light rail tram system serving the Croydon area and surrounding districts in South London.
-
E.
West Midlands Metro
chosen
West Midlands Metro is a light rail/tram system serving Birmingham and the wider West Midlands region in 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_69d807657e8c8190bd9435ee2f823845 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69d97e9e14b88190a2cee8e0c9bf31c8 |
completed | April 10, 2026, 10:50 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6c10d5b9881909db688c1ab0e6a77 |
completed | May 3, 2026, 3:29 a.m. |
Created at: April 9, 2026, 8:49 p.m.