Triple

T20283272
Position Surface form Disambiguated ID Type / Status
Subject High Speed 2 E503204 entity
Predicate hasSection P35 FINISHED
Object HS2 Phase 2b
HS2 Phase 2b is the planned northern extension of the UK’s High Speed 2 rail project, intended to connect the West Midlands with cities such as Manchester and Leeds to increase capacity and reduce journey times.
E1425978 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 2b | Statement: [High Speed 2, hasSection, HS2 Phase 2b]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: HS2 Phase 2b
Context triple: [High Speed 2, hasSection, HS2 Phase 2b]
  • A. 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.
  • B. 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.
  • C. HS2
    HS2 is a postcode district in the Outer Hebrides of Scotland, covering parts of the Isle of Lewis including areas around Uig.
  • 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. 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.
  • 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 2b
Triple: [High Speed 2, hasSection, HS2 Phase 2b]
Generated description
HS2 Phase 2b is the planned northern extension of the UK’s High Speed 2 rail project, intended to connect the West Midlands with cities such as Manchester and Leeds to increase capacity and reduce journey times.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: HS2 Phase 2b
Target entity description: HS2 Phase 2b is the planned northern extension of the UK’s High Speed 2 rail project, intended to connect the West Midlands with cities such as Manchester and Leeds to increase capacity and reduce journey times.
  • A. 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.
  • B. 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.
  • C. HS2
    HS2 is a postcode district in the Outer Hebrides of Scotland, covering parts of the Isle of Lewis including areas around Uig.
  • 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. 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.
  • 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_6a0870737ea08190aeffad6ef8d3f301 completed May 16, 2026, 1:26 p.m.
NEDg Description generation batch_6a0870ead3048190a0d92e17b628fe7b completed May 16, 2026, 1:28 p.m.
NED2 Entity disambiguation (via description) batch_6a08718cf798819084d21b1d2ae6c06b completed May 16, 2026, 1:30 p.m.
Created at: April 16, 2026, 10:40 a.m.