Triple
T2605119
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Isambard Kingdom Brunel |
E58640
|
entity |
| Predicate | knownFor |
P22
|
FINISHED |
| Object |
Thames Tunnel
The Thames Tunnel is the world's first underwater tunnel beneath a navigable river, an engineering landmark in London designed by Marc Isambard Brunel with crucial work by his son Isambard Kingdom Brunel.
|
E281201
|
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: Thames Tunnel | Statement: [Isambard Kingdom Brunel, knownFor, Thames Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Thames Tunnel Context triple: [Isambard Kingdom Brunel, knownFor, Thames Tunnel]
-
A.
Severn Tunnel
Severn Tunnel is a major railway tunnel in the United Kingdom that runs beneath the River Severn, linking South West England with South Wales.
-
B.
Dartford Tunnel
The Dartford Tunnel is a major road tunnel under the River Thames in southeast England, forming part of a key river crossing on the London orbital route.
-
C.
Reigate Tunnel
Reigate Tunnel is a historic road tunnel in Reigate, Surrey, notable as one of the earliest road tunnels in Britain and now a distinctive local landmark.
-
D.
Hindhead Tunnel
Hindhead Tunnel is a major road tunnel in Surrey, England, carrying the A3 beneath the Devil’s Punch Bowl to improve traffic flow and reduce environmental impact on the surrounding countryside.
-
E.
Mersey Tunnels
The Mersey Tunnels are a set of road and rail tunnels linking Liverpool with the Wirral Peninsula beneath the River Mersey in northwest England.
- 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: Thames Tunnel Triple: [Isambard Kingdom Brunel, knownFor, Thames Tunnel]
Generated description
The Thames Tunnel is the world's first underwater tunnel beneath a navigable river, an engineering landmark in London designed by Marc Isambard Brunel with crucial work by his son Isambard Kingdom Brunel.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Thames Tunnel Target entity description: The Thames Tunnel is the world's first underwater tunnel beneath a navigable river, an engineering landmark in London designed by Marc Isambard Brunel with crucial work by his son Isambard Kingdom Brunel.
-
A.
Severn Tunnel
Severn Tunnel is a major railway tunnel in the United Kingdom that runs beneath the River Severn, linking South West England with South Wales.
-
B.
Dartford Tunnel
The Dartford Tunnel is a major road tunnel under the River Thames in southeast England, forming part of a key river crossing on the London orbital route.
-
C.
Reigate Tunnel
Reigate Tunnel is a historic road tunnel in Reigate, Surrey, notable as one of the earliest road tunnels in Britain and now a distinctive local landmark.
-
D.
Hindhead Tunnel
Hindhead Tunnel is a major road tunnel in Surrey, England, carrying the A3 beneath the Devil’s Punch Bowl to improve traffic flow and reduce environmental impact on the surrounding countryside.
-
E.
Mersey Tunnels
The Mersey Tunnels are a set of road and rail tunnels linking Liverpool with the Wirral Peninsula beneath the River Mersey in northwest England.
- 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_69ab4ac3523881909679750c9f8c2dec |
completed | March 6, 2026, 9:44 p.m. |
| NER | Named-entity recognition | batch_69abd864958c8190b3ad6123f1ac78ca |
completed | March 7, 2026, 7:48 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af83dac58c81908be66bf40c810e3c |
completed | March 10, 2026, 2:37 a.m. |
| NEDg | Description generation | batch_69af846ab5888190aa04ee83752208e2 |
completed | March 10, 2026, 2:39 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69af84e909308190a6a1a2e818f263c4 |
completed | March 10, 2026, 2:41 a.m. |
Created at: March 6, 2026, 9:49 p.m.