Triple
T6942743
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Monsal Trail |
E160716
|
entity |
| Predicate | hasTunnel |
P21069
|
FINISHED |
| Object |
Headstone Tunnel
Headstone Tunnel is a former railway tunnel in Derbyshire, England, now a notable feature of the Monsal Trail walking and cycling route through the Peak District.
|
E629616
|
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: Headstone Tunnel | Statement: [Monsal Trail, hasTunnel, Headstone Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Headstone Tunnel Context triple: [Monsal Trail, hasTunnel, Headstone Tunnel]
-
A.
Bruce Tunnel
Bruce Tunnel is a historic canal tunnel in Wiltshire, England, carrying the Kennet and Avon Canal beneath Savernake Forest.
-
B.
Greywell Tunnel
Greywell Tunnel is a disused, bat-inhabited canal tunnel in Hampshire, England, notable as the former western terminus of the Basingstoke Canal and a protected wildlife site.
-
C.
Malpas Tunnel
Malpas Tunnel is a historic canal tunnel in southern France, notable as one of the first navigable tunnels built for the Canal du Midi in the 17th century.
-
D.
Chirk Tunnel
Chirk Tunnel is a historic canal tunnel on the Llangollen Canal in Wales, notable for carrying the waterway beneath the Welsh–English border near Chirk Aqueduct.
-
E.
Mountfield Tunnel
Mountfield Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line through the countryside near the village of Mountfield.
- 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: Headstone Tunnel Triple: [Monsal Trail, hasTunnel, Headstone Tunnel]
Generated description
Headstone Tunnel is a former railway tunnel in Derbyshire, England, now a notable feature of the Monsal Trail walking and cycling route through the Peak District.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Headstone Tunnel Target entity description: Headstone Tunnel is a former railway tunnel in Derbyshire, England, now a notable feature of the Monsal Trail walking and cycling route through the Peak District.
-
A.
Bruce Tunnel
Bruce Tunnel is a historic canal tunnel in Wiltshire, England, carrying the Kennet and Avon Canal beneath Savernake Forest.
-
B.
Greywell Tunnel
Greywell Tunnel is a disused, bat-inhabited canal tunnel in Hampshire, England, notable as the former western terminus of the Basingstoke Canal and a protected wildlife site.
-
C.
Malpas Tunnel
Malpas Tunnel is a historic canal tunnel in southern France, notable as one of the first navigable tunnels built for the Canal du Midi in the 17th century.
-
D.
Chirk Tunnel
Chirk Tunnel is a historic canal tunnel on the Llangollen Canal in Wales, notable for carrying the waterway beneath the Welsh–English border near Chirk Aqueduct.
-
E.
Mountfield Tunnel
Mountfield Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line through the countryside near the village of Mountfield.
- 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_69c6884f3db4819080ad65da69386206 |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6da85f43881909549ac26b3db135a |
completed | March 27, 2026, 7:29 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7515bb4688190a81bef732676eb4e |
completed | March 28, 2026, 3:56 a.m. |
| NEDg | Description generation | batch_69c753193b3081908cf9ac63d23b32bf |
completed | March 28, 2026, 4:03 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c753c6e7988190bcf772bc5162e53a |
completed | March 28, 2026, 4:06 a.m. |
Created at: March 27, 2026, 2:28 p.m.