Triple
T21748349
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bedford St Johns railway station |
E536845
|
entity |
| Predicate | lineServed |
P6301
|
FINISHED |
| Object | Marston Vale Line |
—
|
NE NERFINISHED |
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: Marston Vale Line | Statement: [Bedford St Johns railway station, lineServed, Marston Vale Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Marston Vale Line Context triple: [Bedford St Johns railway station, lineServed, Marston Vale Line]
-
A.
Marston Vale Line
chosen
The Marston Vale Line is a regional railway route in England connecting Bletchley and Bedford, serving towns and villages across the Marston Vale area.
-
B.
Severn Valley line
The Severn Valley line is a historic heritage railway route in England that runs through the Severn Valley, known for its preserved steam services and scenic countryside views.
-
C.
Basingstoke Line
The Basingstoke Line is a key commuter and intercity railway route in southern England linking London Waterloo with Basingstoke and connecting to wider services across Hampshire and beyond.
-
D.
Stour Valley Line
The Stour Valley Line is a railway route in the West Midlands of England that forms part of the main line between Birmingham and Wolverhampton, serving a number of suburban and commuter stations.
-
E.
Crouch Valley Line
Crouch Valley Line is a rural railway branch line in Essex, England, running between Wickford and Southminster and serving communities along the River Crouch.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0c46eab808190b848242d63a17c47 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69f01a77e19c81909bf26f96aa41a7ce |
completed | April 28, 2026, 2:24 a.m. |
Created at: April 16, 2026, 6:50 p.m.