Triple

T20283281
Position Surface form Disambiguated ID Type / Status
Subject High Speed 2 E503204 entity
Predicate managingOrganisation P9686 FINISHED
Object HS2 Ltd
HS2 Ltd is the UK government-owned company responsible for developing and delivering the High Speed 2 high-speed rail project.
E1421879 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: 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.
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: HS2 Ltd
Triple: [High Speed 2, managingOrganisation, HS2 Ltd]
Generated description
HS2 Ltd is the UK government-owned company responsible for developing and delivering the High Speed 2 high-speed rail project.
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 (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_69e0b4b0e79c8190bd61f22ef1329fa8 completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6769049b48190bc449557b79b9e81 completed April 20, 2026, 6:55 p.m.
NED1 Entity disambiguation (via context triple) batch_6a085a27ba5081908af4f2cdc3a2040f completed May 16, 2026, 11:51 a.m.
NEDg Description generation batch_6a085ab05b708190b69aaeb43aca664e completed May 16, 2026, 11:53 a.m.
NED2 Entity disambiguation (via description) batch_6a085b505a0481909e3f54868b732fc8 completed May 16, 2026, 11:56 a.m.
Created at: April 16, 2026, 10:40 a.m.