Triple
T1901922
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | High Speed 1 |
E37707
|
entity |
| Predicate | alsoKnownAs |
P39
|
FINISHED |
| Object |
Channel Tunnel Rail Link
The Channel Tunnel Rail Link, officially known as High Speed 1, is the high-speed railway in the United Kingdom that connects London with the Channel Tunnel and onward services to continental Europe.
|
E220751
|
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: Channel Tunnel Rail Link | Statement: [High Speed 1, alsoKnownAs, Channel Tunnel Rail Link]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Channel Tunnel Rail Link Context triple: [High Speed 1, alsoKnownAs, Channel Tunnel Rail Link]
-
A.
Channel Tunnel
The Channel Tunnel is a 50-kilometer undersea rail tunnel linking the United Kingdom and France, serving as a major passenger and freight transport route between the two countries.
-
B.
Elizabeth line
The Elizabeth line is a major high-capacity railway route across London and its surroundings, forming part of the Crossrail project and providing fast east–west connections through the city.
-
C.
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.
-
D.
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.
-
E.
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.
- 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: Channel Tunnel Rail Link Triple: [High Speed 1, alsoKnownAs, Channel Tunnel Rail Link]
Generated description
The Channel Tunnel Rail Link, officially known as High Speed 1, is the high-speed railway in the United Kingdom that connects London with the Channel Tunnel and onward services to continental Europe.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Channel Tunnel Rail Link Target entity description: The Channel Tunnel Rail Link, officially known as High Speed 1, is the high-speed railway in the United Kingdom that connects London with the Channel Tunnel and onward services to continental Europe.
-
A.
Channel Tunnel
The Channel Tunnel is a 50-kilometer undersea rail tunnel linking the United Kingdom and France, serving as a major passenger and freight transport route between the two countries.
-
B.
Elizabeth line
The Elizabeth line is a major high-capacity railway route across London and its surroundings, forming part of the Crossrail project and providing fast east–west connections through the city.
-
C.
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.
-
D.
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.
-
E.
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.
- 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_69a8861be7148190a680937ec451a304 |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb18da27c8190b315b462c857f4c2 |
completed | March 7, 2026, 5:03 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adfba998e88190a4692d3aefa09806 |
completed | March 8, 2026, 10:43 p.m. |
| NEDg | Description generation | batch_69adfc2b6a0c8190a9129dc0a930d1b1 |
completed | March 8, 2026, 10:46 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69adfd3ecb7881909a6692bb58211c2e |
completed | March 8, 2026, 10:50 p.m. |
Created at: March 4, 2026, 7:35 p.m.