Triple
T2377925
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Heathrow Express |
E46241
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Heathrow Central (Terminals 2 & 3)
Heathrow Central (Terminals 2 & 3) is a major rail station complex at London Heathrow Airport serving Terminals 2 and 3 with direct express and rail connections to central London.
|
E260685
|
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 Central (Terminals 2 & 3) | Statement: [Heathrow Express, hasStation, Heathrow Central (Terminals 2 & 3)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heathrow Central (Terminals 2 & 3) Context triple: [Heathrow Express, hasStation, Heathrow Central (Terminals 2 & 3)]
-
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 Airport
Heathrow Airport is the United Kingdom’s largest and busiest international airport, serving as a major global aviation hub for London.
-
C.
London International Airport
London International Airport is a regional airport serving the city of London and surrounding areas in southwestern Ontario, Canada.
-
D.
Gatwick Airport
Gatwick Airport is a major international airport serving the London area and is one of the busiest airports in the United Kingdom.
-
E.
Stansted Airport
Stansted Airport is a major international airport serving the London area, particularly known as a hub for low-cost and European short-haul flights.
- 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 Central (Terminals 2 & 3) Triple: [Heathrow Express, hasStation, Heathrow Central (Terminals 2 & 3)]
Generated description
Heathrow Central (Terminals 2 & 3) is a major rail station complex at London Heathrow Airport serving Terminals 2 and 3 with direct express and rail connections to central London.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Heathrow Central (Terminals 2 & 3) Target entity description: Heathrow Central (Terminals 2 & 3) is a major rail station complex at London Heathrow Airport serving Terminals 2 and 3 with direct express and rail connections to central London.
-
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 Airport
Heathrow Airport is the United Kingdom’s largest and busiest international airport, serving as a major global aviation hub for London.
-
C.
London International Airport
London International Airport is a regional airport serving the city of London and surrounding areas in southwestern Ontario, Canada.
-
D.
Gatwick Airport
Gatwick Airport is a major international airport serving the London area and is one of the busiest airports in the United Kingdom.
-
E.
Stansted Airport
Stansted Airport is a major international airport serving the London area, particularly known as a hub for low-cost and European short-haul flights.
- 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_69a88a1554a48190a0180682bcf099be |
completed | March 4, 2026, 7:37 p.m. |
| NER | Named-entity recognition | batch_69abc79610e8819084abfbccd1dc67c0 |
completed | March 7, 2026, 6:37 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69aea8af12bc8190a6667beb729406a3 |
completed | March 9, 2026, 11:02 a.m. |
| NEDg | Description generation | batch_69aeab34e4d0819088a24121785f81c6 |
completed | March 9, 2026, 11:12 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69aeabcae91c81908b2197ce0ef7eaa9 |
completed | March 9, 2026, 11:15 a.m. |
Created at: March 4, 2026, 7:57 p.m.