Triple
T8910736
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Downs Tunnel |
E212173
|
entity |
| Predicate | partOfCorridor |
P840
|
FINISHED |
| Object | London–Channel Tunnel high-speed route |
E220751
|
NE FINISHED |
How this triple was built (2 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–Channel Tunnel high-speed route | Statement: [North Downs Tunnel, partOfCorridor, London–Channel Tunnel high-speed route]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London–Channel Tunnel high-speed route Context triple: [North Downs Tunnel, partOfCorridor, London–Channel Tunnel high-speed route]
-
A.
London–Paris rail route
The London–Paris rail route is a major international high-speed rail corridor linking the United Kingdom and France via the Channel Tunnel, primarily served by Eurostar trains between London St Pancras and Paris Gare du Nord.
-
B.
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.
-
C.
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.
-
D.
Channel Tunnel Rail Link
chosen
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.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69cfba36f8cc8190ab57ddc99b7219d1 |
completed | April 3, 2026, 1:01 p.m. |
Created at: March 30, 2026, 6:55 p.m.