Triple

T2059846
Position Surface form Disambiguated ID Type / Status
Subject Heathrow Terminal 5 E45765 entity
Predicate hasPart P35 FINISHED
Object Heathrow Terminal 5 London Underground station
Heathrow Terminal 5 London Underground station is a Tube station on the Piccadilly line that serves Heathrow Airport’s Terminal 5, providing direct rail access between the terminal and central London.
 E45765 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 Terminal 5 London Underground station | Statement: [Heathrow Terminal 5, hasPart, Heathrow Terminal 5 London Underground station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Heathrow Terminal 5 London Underground station
Context triple: [Heathrow Terminal 5, hasPart, Heathrow Terminal 5 London Underground station]
  • 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. Canary Wharf tube station
    Canary Wharf tube station is a major London Underground station on the Jubilee line, serving the Canary Wharf financial district with a distinctive, spacious modern design.
  • C. Canary Wharf Elizabeth line station
    Canary Wharf Elizabeth line station is a major underground railway station in London’s Canary Wharf financial district, providing high-capacity Crossrail/Elizabeth line services with a distinctive dockside, retail-integrated design.
  • D. King’s Cross St Pancras Underground station
    King’s Cross St Pancras Underground station is a major London Tube interchange serving multiple lines beneath the King’s Cross and St Pancras mainline railway terminals.
  • E. Canary Wharf DLR station
    Canary Wharf DLR station is a light rail station in London’s Docklands financial district, providing Docklands Light Railway services to the Canary Wharf area.
  • 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 Terminal 5 London Underground station
Triple: [Heathrow Terminal 5, hasPart, Heathrow Terminal 5 London Underground station]
Generated description
Heathrow Terminal 5 London Underground station is a Tube station on the Piccadilly line that serves Heathrow Airport’s Terminal 5, providing direct rail access between the terminal and central London.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Heathrow Terminal 5 London Underground station
Target entity description: Heathrow Terminal 5 London Underground station is a Tube station on the Piccadilly line that serves Heathrow Airport’s Terminal 5, providing direct rail access between the terminal and central London.
  • A. Heathrow Terminal 5 chosen
    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. Canary Wharf tube station
    Canary Wharf tube station is a major London Underground station on the Jubilee line, serving the Canary Wharf financial district with a distinctive, spacious modern design.
  • C. Canary Wharf Elizabeth line station
    Canary Wharf Elizabeth line station is a major underground railway station in London’s Canary Wharf financial district, providing high-capacity Crossrail/Elizabeth line services with a distinctive dockside, retail-integrated design.
  • D. King’s Cross St Pancras Underground station
    King’s Cross St Pancras Underground station is a major London Tube interchange serving multiple lines beneath the King’s Cross and St Pancras mainline railway terminals.
  • E. Canary Wharf DLR station
    Canary Wharf DLR station is a light rail station in London’s Docklands financial district, providing Docklands Light Railway services to the Canary Wharf area.
  • F. None of above.

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_69a8891a19508190a12ef1e192308dcb completed March 4, 2026, 7:33 p.m.
NER Named-entity recognition batch_69abb9cfdac88190b8b7af1bfea6a78e completed March 7, 2026, 5:38 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae271cb26c81908664f4c26f4fb5ea completed March 9, 2026, 1:49 a.m.
NEDg Description generation batch_69ae28155ec8819097741dcfd3d81110 completed March 9, 2026, 1:53 a.m.
NED2 Entity disambiguation (via description) batch_69ae2889503c8190bc72e786c656edf3 completed March 9, 2026, 1:55 a.m.
Created at: March 4, 2026, 7:40 p.m.