Triple
T11194304
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Birmingham–Walsall line |
E264880
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Hamstead railway station |
E694446
|
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: Hamstead railway station | Statement: [Birmingham–Walsall line, hasStation, Hamstead railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hamstead railway station Context triple: [Birmingham–Walsall line, hasStation, Hamstead railway station]
-
A.
Hamstead railway station
chosen
Hamstead railway station is a suburban rail stop in the West Midlands, England, serving the Handsworth area on the line between Birmingham and Walsall.
-
B.
Haydons Road railway station
Haydons Road railway station is a suburban rail stop in the London Borough of Merton serving local commuter services on the Sutton Loop in South London.
-
C.
Hemel Hempstead railway station
Hemel Hempstead railway station is a mainline railway station in Hertfordshire, England, providing commuter and regional services on the West Coast Main Line between London and the Midlands.
-
D.
Amersham station
Amersham station is a London Underground and National Rail station in Buckinghamshire that serves as the outer terminus of the Metropolitan line and a key commuter hub into central London.
-
E.
Chesham station
Chesham station is a London Underground station in Buckinghamshire that serves as the northernmost point of the network on the Metropolitan line.
- 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_69d6aa9eb9248190b20211772621b4bc |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e8bf14e481908563b15790af4d20 |
completed | April 9, 2026, 5:58 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e4ad00f9148190842bf587a2e4cbdf |
completed | April 19, 2026, 10:22 a.m. |
Created at: April 8, 2026, 9:29 p.m.