Triple
T22239178
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Birmingham New Street – Cardiff Central |
E549674
|
entity |
| Predicate | usesStation |
P726
|
FINISHED |
| Object |
Severn Tunnel Junction
Severn Tunnel Junction is a railway station in Monmouthshire, Wales, serving as a key stop on the main line between South Wales and the English Midlands.
|
E1527390
|
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 Tunnel Junction | Statement: [Birmingham New Street – Cardiff Central, usesStation, Severn Tunnel Junction]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Severn Tunnel Junction Context triple: [Birmingham New Street – Cardiff Central, usesStation, Severn Tunnel Junction]
-
A.
Bristol Parkway–Severn Tunnel Junction
Bristol Parkway–Severn Tunnel Junction is a railway line segment in southwest Britain forming part of the main route between Bristol and South Wales via the Severn Tunnel.
-
B.
Shudehill Interchange
Shudehill Interchange is a major public transport hub in Manchester, England, integrating bus and tram services near the city centre.
-
C.
North Downs Tunnel
North Downs Tunnel is a major railway tunnel in southeast England that carries High Speed 1 beneath the North Downs hills.
-
D.
Trent Lock junction
Trent Lock junction is a key canal junction in Derbyshire, England, where the Erewash Canal meets the River Trent and other waterways, forming an important hub in the inland waterway network.
-
E.
Banbury Cross junction
Banbury Cross junction is a well-known road intersection in Banbury, Oxfordshire, famed for its historic cross and association with the “Ride a cock horse to Banbury Cross” nursery rhyme.
- 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 Tunnel Junction Triple: [Birmingham New Street – Cardiff Central, usesStation, Severn Tunnel Junction]
Generated description
Severn Tunnel Junction is a railway station in Monmouthshire, Wales, serving as a key stop on the main line between South Wales and the English Midlands.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Severn Tunnel Junction Target entity description: Severn Tunnel Junction is a railway station in Monmouthshire, Wales, serving as a key stop on the main line between South Wales and the English Midlands.
-
A.
Bristol Parkway–Severn Tunnel Junction
Bristol Parkway–Severn Tunnel Junction is a railway line segment in southwest Britain forming part of the main route between Bristol and South Wales via the Severn Tunnel.
-
B.
Shudehill Interchange
Shudehill Interchange is a major public transport hub in Manchester, England, integrating bus and tram services near the city centre.
-
C.
North Downs Tunnel
North Downs Tunnel is a major railway tunnel in southeast England that carries High Speed 1 beneath the North Downs hills.
-
D.
Trent Lock junction
Trent Lock junction is a key canal junction in Derbyshire, England, where the Erewash Canal meets the River Trent and other waterways, forming an important hub in the inland waterway network.
-
E.
Banbury Cross junction
Banbury Cross junction is a well-known road intersection in Banbury, Oxfordshire, famed for its historic cross and association with the “Ride a cock horse to Banbury Cross” nursery rhyme.
- 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_69e11e4102b881909cf47d3768e25c19 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f132123a048190ba5a90d7acb9aeb2 |
completed | April 28, 2026, 10:17 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0ab65714288190b60b9fd0fde42e33 |
completed | May 18, 2026, 6:48 a.m. |
| NEDg | Description generation | batch_6a0ab7f904bc81909addafee8773eae0 |
completed | May 18, 2026, 6:55 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0ab891ba1c81909c9e9a5f29d4eb54 |
completed | May 18, 2026, 6:58 a.m. |
Created at: April 16, 2026, 8:38 p.m.