Triple
T6629924
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Holborn station |
E149895
|
entity |
| Predicate | hasInterchange |
P3495
|
FINISHED |
| Object |
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.
|
E600980
|
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: Central line – Piccadilly line | Statement: [Holborn station, hasInterchange, Central line – Piccadilly line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Central line – Piccadilly line Context triple: [Holborn station, hasInterchange, Central line – Piccadilly line]
-
A.
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.
-
B.
Central line (West Ruislip branch)
The Central line (West Ruislip branch) is a western suburban branch of London Underground’s Central line, running from central London out to West Ruislip and serving areas including the London Borough of Hillingdon.
-
C.
Northern line
The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
-
D.
Piccadilly line
The Piccadilly line is a major deep-level London Underground route running from the north and west suburbs through central London, serving key destinations including Heathrow Airport.
-
E.
Jubilee line
The Jubilee line is a major London Underground line running across the city from northwest to east, serving key financial and commercial hubs including Canary Wharf.
- 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: Central line – Piccadilly line Triple: [Holborn station, hasInterchange, Central line – Piccadilly line]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Central line – Piccadilly line Target entity description: 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.
-
A.
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.
-
B.
Central line (West Ruislip branch)
The Central line (West Ruislip branch) is a western suburban branch of London Underground’s Central line, running from central London out to West Ruislip and serving areas including the London Borough of Hillingdon.
-
C.
Northern line
The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
-
D.
Piccadilly line
The Piccadilly line is a major deep-level London Underground route running from the north and west suburbs through central London, serving key destinations including Heathrow Airport.
-
E.
Jubilee line
The Jubilee line is a major London Underground line running across the city from northwest to east, serving key financial and commercial hubs including Canary Wharf.
- 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_69c687ee50048190aa151765bef16193 |
completed | March 27, 2026, 1:36 p.m. |
| NER | Named-entity recognition | batch_69c6afa5c9b48190b645be96d446d0ca |
completed | March 27, 2026, 4:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6cbeb04348190957b8e5f098b72bf |
completed | March 27, 2026, 6:26 p.m. |
| NEDg | Description generation | batch_69c6cd0a98908190a5725c49bad7589d |
completed | March 27, 2026, 6:31 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c6cdcf14508190876faa73f5eec884 |
completed | March 27, 2026, 6:34 p.m. |
Created at: March 27, 2026, 1:59 p.m.