Triple
T14171940
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tavistock Canal |
E351229
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object |
Morwell Down Tunnel
Morwell Down Tunnel is a historic canal tunnel in Devon, England, built to carry the Tavistock Canal beneath Morwell Down as part of its early 19th-century mining and transport infrastructure.
|
E1084740
|
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: Morwell Down Tunnel | Statement: [Tavistock Canal, hasStructure, Morwell Down Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Morwell Down Tunnel Context triple: [Tavistock Canal, hasStructure, Morwell Down Tunnel]
-
A.
Cosgrove Tunnel
Cosgrove Tunnel is a major water-supply conduit in Massachusetts that carries drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
-
B.
Cressbrook Tunnel
Cressbrook Tunnel is a former railway tunnel in Derbyshire, England, now used as part of the popular Monsal Trail walking and cycling route through the Peak District.
-
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.
Kilsby Tunnel
Kilsby Tunnel is a historic early-19th-century railway tunnel in Northamptonshire, England, renowned for its pioneering engineering on the London and Birmingham Railway.
-
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: Morwell Down Tunnel Triple: [Tavistock Canal, hasStructure, Morwell Down Tunnel]
Generated description
Morwell Down Tunnel is a historic canal tunnel in Devon, England, built to carry the Tavistock Canal beneath Morwell Down as part of its early 19th-century mining and transport infrastructure.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Morwell Down Tunnel Target entity description: Morwell Down Tunnel is a historic canal tunnel in Devon, England, built to carry the Tavistock Canal beneath Morwell Down as part of its early 19th-century mining and transport infrastructure.
-
A.
Cosgrove Tunnel
Cosgrove Tunnel is a major water-supply conduit in Massachusetts that carries drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
-
B.
Cressbrook Tunnel
Cressbrook Tunnel is a former railway tunnel in Derbyshire, England, now used as part of the popular Monsal Trail walking and cycling route through the Peak District.
-
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.
Kilsby Tunnel
Kilsby Tunnel is a historic early-19th-century railway tunnel in Northamptonshire, England, renowned for its pioneering engineering on the London and Birmingham Railway.
-
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_69d8278834a08190b0f1784e58d7b99c |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de61b5dcbc8190b0cfcce5e6c6d582 |
completed | April 14, 2026, 3:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcf808e6088190a607903be0f2adc7 |
completed | May 7, 2026, 8:37 p.m. |
| NEDg | Description generation | batch_69fd09bad5b48190913aaba5dd2a509d |
completed | May 7, 2026, 9:52 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fd0a7603848190a4b73971cb75f99e |
completed | May 7, 2026, 9:56 p.m. |
Created at: April 10, 2026, 1:01 a.m.