Triple
T10124993
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London–Birmingham transport corridor |
E226188
|
entity |
| Predicate | plannedUpgrade |
P4375
|
FINISHED |
| Object | High Speed 2 Phase One |
E503204
|
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: High Speed 2 Phase One | Statement: [London–Birmingham transport corridor, plannedUpgrade, High Speed 2 Phase One]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: High Speed 2 Phase One Context triple: [London–Birmingham transport corridor, plannedUpgrade, High Speed 2 Phase One]
-
A.
High Speed 2
chosen
High Speed 2 is a planned high-speed railway line in the United Kingdom intended to increase capacity and reduce journey times between major cities such as London, Birmingham, Manchester, and Leeds.
-
B.
High Speed 1
High Speed 1 is the high-speed railway line in southeastern England that connects London with the Channel Tunnel, enabling fast international and domestic train services.
-
C.
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.
-
D.
HS2
HS2 is a postcode district in the Outer Hebrides of Scotland, covering parts of the Isle of Lewis including areas around Uig.
-
E.
High Speed 1 Limited
High Speed 1 Limited is the company responsible for owning, operating, and maintaining the High Speed 1 railway line connecting London with the Channel Tunnel in the United Kingdom.
- 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_69ca843057b48190a86730167f5d6b98 |
completed | March 30, 2026, 2:09 p.m. |
| NER | Named-entity recognition | batch_69cdd2ebe4548190a484c145639d92f0 |
completed | April 2, 2026, 2:22 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d2e5c29f6c8190b347a6963ca46dac |
completed | April 5, 2026, 10:44 p.m. |
Created at: March 30, 2026, 9:05 p.m.