Triple

T20283271
Position Surface form Disambiguated ID Type / Status
Subject High Speed 2 E503204 entity
Predicate hasSection P35 FINISHED
Object HS2 Phase 2a
HS2 Phase 2a is the planned section of the UK’s High Speed 2 rail project intended to extend the line north from the West Midlands toward Crewe as part of the wider high-speed network.
E1425289 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 Phase 2a | Statement: [High Speed 2, hasSection, HS2 Phase 2a]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: HS2 Phase 2a
Context triple: [High Speed 2, hasSection, HS2 Phase 2a]
  • A. HS2 Phase One
    HS2 Phase One is the initial stage of the United Kingdom’s High Speed 2 rail project, creating a new high-speed line between London and the West Midlands.
  • 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. 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 Ltd
    HS2 Ltd is the UK government-owned company responsible for developing and delivering the High Speed 2 high-speed rail project.
  • E. Chiltern Link
    Chiltern Link is a long-distance walking trail that runs through the scenic countryside of the Chilterns in southern England.
  • 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 Phase 2a
Triple: [High Speed 2, hasSection, HS2 Phase 2a]
Generated description
HS2 Phase 2a is the planned section of the UK’s High Speed 2 rail project intended to extend the line north from the West Midlands toward Crewe as part of the wider high-speed network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: HS2 Phase 2a
Target entity description: HS2 Phase 2a is the planned section of the UK’s High Speed 2 rail project intended to extend the line north from the West Midlands toward Crewe as part of the wider high-speed network.
  • A. HS2 Phase One
    HS2 Phase One is the initial stage of the United Kingdom’s High Speed 2 rail project, creating a new high-speed line between London and the West Midlands.
  • 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. 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 Ltd
    HS2 Ltd is the UK government-owned company responsible for developing and delivering the High Speed 2 high-speed rail project.
  • E. Chiltern Link
    Chiltern Link is a long-distance walking trail that runs through the scenic countryside of the Chilterns in southern England.
  • 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_6a086945247c8190bde18a3f9c80ea7c completed May 16, 2026, 12:55 p.m.
NEDg Description generation batch_6a0869e2a80481909105005195330dc9 completed May 16, 2026, 12:58 p.m.
NED2 Entity disambiguation (via description) batch_6a086a6812a08190b4594fa9b6054355 completed May 16, 2026, 1 p.m.
Created at: April 16, 2026, 10:40 a.m.