Triple
T20283281
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | High Speed 2 |
E503204
|
entity |
| Predicate | managingOrganisation |
P9686
|
FINISHED |
| Object | HS2 Ltd |
—
|
NE NERFINISHED |
How this triple was built (3 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: HS2 Ltd | Statement: [High Speed 2, managingOrganisation, HS2 Ltd]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: HS2 Ltd Context triple: [High Speed 2, managingOrganisation, HS2 Ltd]
-
A.
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.
-
B.
HS2
HS2 is a postcode district in the Outer Hebrides of Scotland, covering parts of the Isle of Lewis including areas around Uig.
-
C.
Rail Delivery Group
Rail Delivery Group is the industry body that represents and coordinates Britain’s passenger and freight train operators and Network Rail, working to improve and manage the national rail system.
-
D.
Eversholt Rail Group
Eversholt Rail Group is a major UK rolling stock leasing company that owns and leases passenger train fleets to rail operators across Britain.
-
E.
Country Rail Infrastructure Authority
The Country Rail Infrastructure Authority was a New South Wales government agency responsible for managing and maintaining regional rail infrastructure prior to its functions being absorbed into Transport for NSW.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: HS2 Ltd Target entity description: HS2 Ltd is the UK government-owned company responsible for developing and delivering the High Speed 2 high-speed rail project.
-
A.
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.
-
B.
HS2
HS2 is a postcode district in the Outer Hebrides of Scotland, covering parts of the Isle of Lewis including areas around Uig.
-
C.
Rail Delivery Group
Rail Delivery Group is the industry body that represents and coordinates Britain’s passenger and freight train operators and Network Rail, working to improve and manage the national rail system.
-
D.
Eversholt Rail Group
Eversholt Rail Group is a major UK rolling stock leasing company that owns and leases passenger train fleets to rail operators across Britain.
-
E.
Country Rail Infrastructure Authority
The Country Rail Infrastructure Authority was a New South Wales government agency responsible for managing and maintaining regional rail infrastructure prior to its functions being absorbed into Transport for NSW.
- F. None of above. chosen
Provenance (2 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_69e0b4b0e79c8190bd61f22ef1329fa8 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6769049b48190bc449557b79b9e81 |
completed | April 20, 2026, 6:55 p.m. |
Created at: April 16, 2026, 10:40 a.m.