Triple

T12314721
Position Surface form Disambiguated ID Type / Status
Subject Crossrail central tunnel E293570 entity
Predicate projectNameDuringConstruction P83841 FINISHED
Object Crossrail E60076 NE FINISHED

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: Crossrail | Statement: [Crossrail central tunnel, projectNameDuringConstruction, Crossrail]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Crossrail
Context triple: [Crossrail central tunnel, projectNameDuringConstruction, Crossrail]
  • A. Elizabeth line chosen
    The Elizabeth line is a major high-capacity railway route across London and its surroundings, forming part of the Crossrail project and providing fast east–west connections through the city.
  • B. Heathrow Airport rail network
    The Heathrow Airport rail network is the integrated system of rail and metro services that connect Heathrow’s terminals with central London and the wider UK rail network.
  • C. Crossrail central tunnel
    The Crossrail central tunnel is the core underground section of London's Elizabeth line, consisting of newly built deep-level rail tunnels that connect existing surface routes across the city.
  • D. Jubilee line extension
    The Jubilee line extension is a major late-20th-century expansion of the London Underground that introduced new stations and modern infrastructure to connect central London with the Docklands and east London.
  • E. Jubilee line
    The Jubilee line is a major London Underground line running across the city from northwest to east, serving key financial and commercial hubs including Canary Wharf.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: projectNameDuringConstruction
Context triple: [Crossrail central tunnel, projectNameDuringConstruction, Crossrail]
  • A. constructionProgram
    Indicates that an entity is involved in or associated with a program or plan for constructing, building, or developing something.
  • B. projectNameVariant chosen
    Indicates that one project name is an alternative or variant form of another project name.
  • C. constructionPhase
    Indicates the specific stage or period an entity is in within an overall construction or building process.
  • D. buildingCurrentName
    Indicates the name currently used to refer to a given building.
  • E. projectNumber
    Indicates a relationship where a specific identifying number is assigned to or associated with a particular project.
  • F. None of above.

Provenance (4 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_69d6ab6a2b50819082f6aedd32ed608a completed April 8, 2026, 7:24 p.m.
NER Named-entity recognition batch_69d93f621570819091ee1db2609233ea completed April 10, 2026, 6:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69f62a9d50b081908f0bdb7a2ca2832a completed May 2, 2026, 4:47 p.m.
PD Predicate disambiguation batch_69d93ec02c008190a56aae60a3d9eff6 completed April 10, 2026, 6:17 p.m.
Created at: April 8, 2026, 9:53 p.m.