Triple
T9823205
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Birmingham New Street to Lichfield Trent Valley |
E238586
|
entity |
| Predicate | partOfNetwork |
P840
|
FINISHED |
| Object | West Midlands suburban rail network |
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 suburban rail network | Statement: [Birmingham New Street to Lichfield Trent Valley, partOfNetwork, West Midlands suburban rail network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Midlands suburban rail network Context triple: [Birmingham New Street to Lichfield Trent Valley, partOfNetwork, West Midlands suburban rail network]
-
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.
Bristol suburban rail network
The Bristol suburban rail network is a local passenger rail system serving Bristol and its surrounding areas, providing frequent commuter and regional services on routes such as the Severn Beach Line.
-
C.
London suburban rail network
The London suburban rail network is a system of commuter railway lines serving Greater London and its surrounding areas, providing frequent local services that connect central London terminals with suburban districts and nearby towns.
-
D.
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.
-
E.
West Midlands Metro
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_69ca84e0dd1881909800765d1e21f735 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cdb315ddf48190bd90f7835f409bb6 |
completed | April 2, 2026, 12:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1cc7ce1908190a5131ef238541f0d |
completed | April 5, 2026, 2:44 a.m. |
Created at: March 30, 2026, 8:31 p.m.