Triple
T20651272
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Severn Valley Railway station, Bridgnorth |
E507499
|
entity |
| Predicate | line |
P1293
|
FINISHED |
| Object |
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.
|
E1442447
|
NE FINISHED |
How this triple was built (4 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: Severn Valley line | Statement: [Severn Valley Railway station, Bridgnorth, line, Severn Valley line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Severn Valley line Context triple: [Severn Valley Railway station, Bridgnorth, line, Severn Valley line]
-
A.
Marston Vale Line
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.
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.
-
C.
Oxford–Bicester line
The Oxford–Bicester line is a railway route in Oxfordshire, England, connecting Oxford with the town of Bicester as part of the regional and commuter rail network.
-
D.
Chiltern Main Line
The Chiltern Main Line is a major railway route in England connecting London Marylebone with the West Midlands via key towns such as High Wycombe, Banbury, and Leamington Spa.
-
E.
Wessex Main Line
The Wessex Main Line is a key railway route in southern England linking Bristol and Bath with Salisbury and Southampton, serving as an important regional passenger corridor.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Severn Valley line Triple: [Severn Valley Railway station, Bridgnorth, line, Severn Valley line]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Severn Valley line Target entity description: 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.
-
A.
Marston Vale Line
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.
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.
-
C.
Oxford–Bicester line
The Oxford–Bicester line is a railway route in Oxfordshire, England, connecting Oxford with the town of Bicester as part of the regional and commuter rail network.
-
D.
Chiltern Main Line
The Chiltern Main Line is a major railway route in England connecting London Marylebone with the West Midlands via key towns such as High Wycombe, Banbury, and Leamington Spa.
-
E.
Wessex Main Line
The Wessex Main Line is a key railway route in southern England linking Bristol and Bath with Salisbury and Southampton, serving as an important regional passenger corridor.
- F. None of above. chosen
Provenance (5 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_69e0b4bf58c081908e52a4500e03ff83 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6af21e87c8190835bf2b2ef195626 |
completed | April 20, 2026, 10:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a08c59354388190b5c2a0c1bdd14575 |
completed | May 16, 2026, 7:29 p.m. |
| NEDg | Description generation | batch_6a08c648e35881908c480b0afa383422 |
completed | May 16, 2026, 7:32 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a08c6c6f9608190bdbcdd58f6b14008 |
completed | May 16, 2026, 7:34 p.m. |
Created at: April 16, 2026, 11:43 a.m.