Triple
T8910737
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Downs Tunnel |
E212173
|
entity |
| Predicate | locatedOnRoute |
P6309
|
FINISHED |
| Object |
London to Folkestone high-speed line
The London to Folkestone high-speed line is a major UK railway route, largely used by Eurostar and domestic high-speed services, that connects London with the Channel Tunnel and the Kent coast.
|
E768378
|
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: London to Folkestone high-speed line | Statement: [North Downs Tunnel, locatedOnRoute, London to Folkestone high-speed line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London to Folkestone high-speed line Context triple: [North Downs Tunnel, locatedOnRoute, London to Folkestone high-speed line]
-
A.
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.
-
B.
London–Bristol rail corridor
The London–Bristol rail corridor is a major intercity railway route in England linking the capital with the city of Bristol via key intermediate towns and lines.
-
C.
Chiltern Link
Chiltern Link is a long-distance walking trail that runs through the scenic countryside of the Chilterns in southern England.
-
D.
Paris–London high-speed corridor
The Paris–London high-speed corridor is a major international rail route linking the French and British capitals via high-speed lines and the Channel Tunnel, enabling fast Eurostar services between the two cities.
-
E.
Brussels–London high-speed rail corridor
The Brussels–London high-speed rail corridor is the international high-speed railway link connecting Brussels with London via the Channel Tunnel, primarily served by Eurostar services.
- 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: London to Folkestone high-speed line Triple: [North Downs Tunnel, locatedOnRoute, London to Folkestone high-speed line]
Generated description
The London to Folkestone high-speed line is a major UK railway route, largely used by Eurostar and domestic high-speed services, that connects London with the Channel Tunnel and the Kent coast.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: London to Folkestone high-speed line Target entity description: The London to Folkestone high-speed line is a major UK railway route, largely used by Eurostar and domestic high-speed services, that connects London with the Channel Tunnel and the Kent coast.
-
A.
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.
-
B.
London–Bristol rail corridor
The London–Bristol rail corridor is a major intercity railway route in England linking the capital with the city of Bristol via key intermediate towns and lines.
-
C.
Chiltern Link
Chiltern Link is a long-distance walking trail that runs through the scenic countryside of the Chilterns in southern England.
-
D.
Paris–London high-speed corridor
The Paris–London high-speed corridor is a major international rail route linking the French and British capitals via high-speed lines and the Channel Tunnel, enabling fast Eurostar services between the two cities.
-
E.
Brussels–London high-speed rail corridor
The Brussels–London high-speed rail corridor is the international high-speed railway link connecting Brussels with London via the Channel Tunnel, primarily served by Eurostar services.
- 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_69ca8393b1808190bd4336787ffa2c40 |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc6523b9348190a7cefac9e73e2004 |
completed | April 1, 2026, 12:21 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfc1cdfa6c8190af7b6312c73d59f9 |
completed | April 3, 2026, 1:34 p.m. |
| NEDg | Description generation | batch_69cfc27bae88819094bcfdf10e89018b |
completed | April 3, 2026, 1:36 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cfc61d26fc8190817b430cb6fa9646 |
completed | April 3, 2026, 1:52 p.m. |
Created at: March 30, 2026, 6:55 p.m.