Triple

T4412486
Position Surface form Disambiguated ID Type / Status
Subject WS Atkins E94881 entity
Predicate notableProject P4 FINISHED
Object Heathrow Airport expansion projects
Heathrow Airport expansion projects are a series of large-scale infrastructure and capacity enhancement initiatives at London’s Heathrow Airport, including new runways, terminals, and related facilities to accommodate growing air traffic demand.
 E438836 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: Heathrow Airport expansion projects | Statement: [WS Atkins, notableProject, Heathrow Airport expansion projects]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Heathrow Airport expansion projects
Context triple: [WS Atkins, notableProject, Heathrow Airport expansion projects]
  • A. Heathrow Terminal 5
    Heathrow Terminal 5 is a major passenger terminal at London Heathrow Airport, primarily serving British Airways and known for its modern design and large capacity.
  • B. Heathrow Terminal 4
    Heathrow Terminal 4 is one of the passenger terminals at London Heathrow Airport, serving various international and domestic flights and connected to central London by rail and other transport links.
  • C. Airport Line extension to Manchester Airport
    The Airport Line extension to Manchester Airport is a Metrolink light rail route in Greater Manchester that connects the city’s tram network directly to Manchester Airport via several intermediate stops.
  • D. London airport system
    The London airport system is the network of major international and regional airports serving the Greater London area, including hubs such as Heathrow, Gatwick, Stansted, Luton, and London City.
  • E. Heathrow Runway 09R/27L
    Heathrow Runway 09R/27L is one of the main east–west runways at London Heathrow Airport, handling a significant share of the airport’s takeoffs and landings.
  • 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: Heathrow Airport expansion projects
Triple: [WS Atkins, notableProject, Heathrow Airport expansion projects]
Generated description
Heathrow Airport expansion projects are a series of large-scale infrastructure and capacity enhancement initiatives at London’s Heathrow Airport, including new runways, terminals, and related facilities to accommodate growing air traffic demand.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Heathrow Airport expansion projects
Target entity description: Heathrow Airport expansion projects are a series of large-scale infrastructure and capacity enhancement initiatives at London’s Heathrow Airport, including new runways, terminals, and related facilities to accommodate growing air traffic demand.
  • A. Heathrow Terminal 5
    Heathrow Terminal 5 is a major passenger terminal at London Heathrow Airport, primarily serving British Airways and known for its modern design and large capacity.
  • B. Heathrow Terminal 4
    Heathrow Terminal 4 is one of the passenger terminals at London Heathrow Airport, serving various international and domestic flights and connected to central London by rail and other transport links.
  • C. Airport Line extension to Manchester Airport
    The Airport Line extension to Manchester Airport is a Metrolink light rail route in Greater Manchester that connects the city’s tram network directly to Manchester Airport via several intermediate stops.
  • D. London airport system
    The London airport system is the network of major international and regional airports serving the Greater London area, including hubs such as Heathrow, Gatwick, Stansted, Luton, and London City.
  • E. Heathrow Runway 09R/27L
    Heathrow Runway 09R/27L is one of the main east–west runways at London Heathrow Airport, handling a significant share of the airport’s takeoffs and landings.
  • 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_69b34539638c8190abfea3eb29425210 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b354e7b30c819082ee781dd202dcc4 completed March 13, 2026, 12:05 a.m.
NED1 Entity disambiguation (via context triple) batch_69b5f6131de08190968259a0be73cd3f completed March 14, 2026, 11:58 p.m.
NEDg Description generation batch_69b5f76c8ea08190a6f6c81f0c3dcea7 completed March 15, 2026, 12:03 a.m.
NED2 Entity disambiguation (via description) batch_69b5f7e313f48190afb83123e3b24926 completed March 15, 2026, 12:05 a.m.
Created at: March 12, 2026, 11:29 p.m.