Triple
T13346141
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ealing Broadway branch of the District line |
E317953
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object |
Piccadilly line at Ealing Common station
The Piccadilly line at Ealing Common station is a London Underground line serving west London, providing fast, long-distance services between central London, Heathrow Airport, and Uxbridge.
|
E1036109
|
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: Piccadilly line at Ealing Common station | Statement: [Ealing Broadway branch of the District line, connectsWith, Piccadilly line at Ealing Common station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Piccadilly line at Ealing Common station Context triple: [Ealing Broadway branch of the District line, connectsWith, Piccadilly line at Ealing Common station]
-
A.
Ealing Broadway branch of the District line
The Ealing Broadway branch of the District line is a western suburban section of London’s Underground network that runs between central London and Ealing Broadway, serving key stations in west London.
-
B.
London Underground Central line
The London Underground Central line is a major east–west Tube line running across Greater London, connecting key central and suburban areas as part of the city’s rapid transit network.
-
C.
Barons Court station on the Piccadilly line
Barons Court station on the Piccadilly line is a London Underground station in West London known for its distinctive early 20th-century architecture and role as an interchange between the Piccadilly and District lines.
-
D.
London Underground Metropolitan line
The London Underground Metropolitan line is one of the network’s oldest and longest lines, running from central London into the north-west suburbs and beyond into Buckinghamshire.
-
E.
Central line – Piccadilly line
The Central line – Piccadilly line interchange at Holborn station is a key London Underground connection point where passengers can transfer between the east–west Central line and the north–south Piccadilly line.
- 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: Piccadilly line at Ealing Common station Triple: [Ealing Broadway branch of the District line, connectsWith, Piccadilly line at Ealing Common station]
Generated description
The Piccadilly line at Ealing Common station is a London Underground line serving west London, providing fast, long-distance services between central London, Heathrow Airport, and Uxbridge.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Piccadilly line at Ealing Common station Target entity description: The Piccadilly line at Ealing Common station is a London Underground line serving west London, providing fast, long-distance services between central London, Heathrow Airport, and Uxbridge.
-
A.
Ealing Broadway branch of the District line
The Ealing Broadway branch of the District line is a western suburban section of London’s Underground network that runs between central London and Ealing Broadway, serving key stations in west London.
-
B.
London Underground Central line
The London Underground Central line is a major east–west Tube line running across Greater London, connecting key central and suburban areas as part of the city’s rapid transit network.
-
C.
Barons Court station on the Piccadilly line
Barons Court station on the Piccadilly line is a London Underground station in West London known for its distinctive early 20th-century architecture and role as an interchange between the Piccadilly and District lines.
-
D.
London Underground Metropolitan line
The London Underground Metropolitan line is one of the network’s oldest and longest lines, running from central London into the north-west suburbs and beyond into Buckinghamshire.
-
E.
Central line – Piccadilly line
The Central line – Piccadilly line interchange at Holborn station is a key London Underground connection point where passengers can transfer between the east–west Central line and the north–south Piccadilly line.
- 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_69d806b5a3c08190b42c267fb092f98a |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d99e89c65c819093f3bea11d6073c5 |
completed | April 11, 2026, 1:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f726738ea08190b0b7634b29f5d94e |
completed | May 3, 2026, 10:41 a.m. |
| NEDg | Description generation | batch_69f7270bf9308190a3e9427ffce0e3ee |
completed | May 3, 2026, 10:44 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f727d063c4819084b4990a0d759f79 |
completed | May 3, 2026, 10:47 a.m. |
Created at: April 9, 2026, 9:31 p.m.