Triple
T2429961
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London Northwestern Railway |
E52818
|
entity |
| Predicate | franchise |
P1500
|
FINISHED |
| Object | West Midlands franchise |
E15155
|
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 franchise | Statement: [London Northwestern Railway, franchise, West Midlands franchise]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Midlands franchise Context triple: [London Northwestern Railway, franchise, West Midlands franchise]
-
A.
Nottingham Midland
Nottingham Midland was the historic name of Nottingham’s main railway station, a key hub in the East Midlands rail network.
-
B.
West Midlands
chosen
West Midlands is a metropolitan county and region in central England that includes major cities such as Birmingham, Coventry, and Wolverhampton and serves as a key industrial and cultural hub.
-
C.
Sheffield Midland
Sheffield Midland is the historic name of Sheffield’s main railway station in South Yorkshire, England, a key hub on the British rail network.
-
D.
West Midlands Combined Authority
The West Midlands Combined Authority is a regional governmental body in England responsible for strategic planning, transport, economic development, and coordination across local councils in the West Midlands metropolitan area.
-
E.
Birmingham Edgbaston
Birmingham Edgbaston is a long-established UK parliamentary constituency in the city of Birmingham, historically notable for being represented by prominent politicians such as Neville Chamberlain.
- 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_69ab4959bcc0819083246f9fb10439e3 |
completed | March 6, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69abc99fcd048190a85b95a9a8ae6d4d |
completed | March 7, 2026, 6:45 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69aebf6634a48190af82eab6b9750323 |
completed | March 9, 2026, 12:39 p.m. |
Created at: March 6, 2026, 9:43 p.m.