Triple
T13501517
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ealing Broadway station |
E320901
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object |
Heathrow Airport (via Elizabeth line)
Heathrow Airport (via Elizabeth line) is a major international airport in West London directly accessible by the Elizabeth line, providing fast rail connections to central and east London.
|
E1044394
|
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 (via Elizabeth line) | Statement: [Ealing Broadway station, connectsTo, Heathrow Airport (via Elizabeth line)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heathrow Airport (via Elizabeth line) Context triple: [Ealing Broadway station, connectsTo, Heathrow Airport (via Elizabeth line)]
-
A.
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.
-
B.
London Paddington–Heathrow Airport
London Paddington–Heathrow Airport is the rail route in west London linking the central London terminus at Paddington station with Heathrow Airport, primarily served by dedicated airport express services.
-
C.
Stansted Express
Stansted Express is a dedicated high-speed train service linking London Liverpool Street with Stansted Airport, providing frequent rail connections for air travelers.
-
D.
Heathrow branch of the Piccadilly line
The Heathrow branch of the Piccadilly line is the western arm of London Underground’s Piccadilly line that provides direct tube services between central London and Heathrow Airport.
-
E.
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.
- 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 (via Elizabeth line) Triple: [Ealing Broadway station, connectsTo, Heathrow Airport (via Elizabeth line)]
Generated description
Heathrow Airport (via Elizabeth line) is a major international airport in West London directly accessible by the Elizabeth line, providing fast rail connections to central and east London.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Heathrow Airport (via Elizabeth line) Target entity description: Heathrow Airport (via Elizabeth line) is a major international airport in West London directly accessible by the Elizabeth line, providing fast rail connections to central and east London.
-
A.
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.
-
B.
London Paddington–Heathrow Airport
London Paddington–Heathrow Airport is the rail route in west London linking the central London terminus at Paddington station with Heathrow Airport, primarily served by dedicated airport express services.
-
C.
Stansted Express
Stansted Express is a dedicated high-speed train service linking London Liverpool Street with Stansted Airport, providing frequent rail connections for air travelers.
-
D.
Heathrow branch of the Piccadilly line
The Heathrow branch of the Piccadilly line is the western arm of London Underground’s Piccadilly line that provides direct tube services between central London and Heathrow Airport.
-
E.
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.
- 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_69d807629d6c8190998f1b9bb12d2ed0 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbaf50f4a48190a44fc537b78c32fd |
completed | April 12, 2026, 2:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f75489e9908190b133937b5e92732d |
completed | May 3, 2026, 1:58 p.m. |
| NEDg | Description generation | batch_69f7555173d08190be887e81c148192e |
completed | May 3, 2026, 2:01 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f75675df788190b4aa562fe0bc1d75 |
completed | May 3, 2026, 2:06 p.m. |
Created at: April 9, 2026, 9:43 p.m.