Triple
T8197900
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kennington Underground Station |
E191478
|
entity |
| Predicate | servedByBranch |
P13713
|
FINISHED |
| Object |
Northern line Charing Cross branch
The Northern line Charing Cross branch is a central London section of the London Underground’s Northern line running via Charing Cross and serving key stations in the West End.
|
E61912
|
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: Northern line Charing Cross branch | Statement: [Kennington Underground Station, servedByBranch, Northern line Charing Cross branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northern line Charing Cross branch Context triple: [Kennington Underground Station, servedByBranch, Northern line Charing Cross branch]
-
A.
Northern line
The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
-
B.
Holborn–Aldwych branch
The Holborn–Aldwych branch was a short, now-disused spur of the London Underground’s Piccadilly line that ran between Holborn and Aldwych in central London.
-
C.
Hammersmith & City line
The Hammersmith & City line is a London Underground service running across west and central London, linking Hammersmith to Barking via key hubs such as Paddington, King's Cross St Pancras, and Liverpool Street.
-
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.
Bakerloo line
The Bakerloo line is a deep-level London Underground railway line running between Harrow & Wealdstone in northwest London and Elephant & Castle in south London, known for serving key central locations such as Baker Street, Oxford Circus, and Waterloo.
- 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: Northern line Charing Cross branch Triple: [Kennington Underground Station, servedByBranch, Northern line Charing Cross branch]
Generated description
The Northern line Charing Cross branch is a central London section of the London Underground’s Northern line running via Charing Cross and serving key stations in the West End.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Northern line Charing Cross branch Target entity description: The Northern line Charing Cross branch is a central London section of the London Underground’s Northern line running via Charing Cross and serving key stations in the West End.
-
A.
Northern line
chosen
The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
-
B.
Holborn–Aldwych branch
The Holborn–Aldwych branch was a short, now-disused spur of the London Underground’s Piccadilly line that ran between Holborn and Aldwych in central London.
-
C.
Hammersmith & City line
The Hammersmith & City line is a London Underground service running across west and central London, linking Hammersmith to Barking via key hubs such as Paddington, King's Cross St Pancras, and Liverpool Street.
-
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.
Bakerloo line
The Bakerloo line is a deep-level London Underground railway line running between Harrow & Wealdstone in northwest London and Elephant & Castle in south London, known for serving key central locations such as Baker Street, Oxford Circus, and Waterloo.
- 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_69ca82c6e9548190a4c5ca14516e4417 |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb5c2341f881908be59c378896e5bc |
completed | March 31, 2026, 5:31 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cde73e4c3881908a845fd61373cbec |
completed | April 2, 2026, 3:49 a.m. |
| NEDg | Description generation | batch_69cdeb1fa7308190810b1fcc2184374a |
completed | April 2, 2026, 4:05 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69cdec3081d88190ad0699f9072d3fc7 |
completed | April 2, 2026, 4:10 a.m. |
Created at: March 30, 2026, 5:42 p.m.