Triple
T10057782
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Clapham South Underground station |
E208904
|
entity |
| Predicate | servedByService |
P1294
|
FINISHED |
| Object |
Charing Cross branch of Northern line
The Charing Cross branch of the Northern line is a central London Underground route running through key West End stations such as Charing Cross, Leicester Square, and Tottenham Court Road.
|
E108771
|
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: Charing Cross branch of Northern line | Statement: [Clapham South Underground station, servedByService, Charing Cross branch of Northern line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Charing Cross branch of Northern line Context triple: [Clapham South Underground station, servedByService, Charing Cross branch of Northern line]
-
A.
Edgware branch
The Edgware branch is a northern suburban section of the London Underground’s Northern line running from central London to Edgware.
-
B.
Charing Cross Underground station
Charing Cross Underground station is a central London Tube station on the Bakerloo and Northern lines, serving the Charing Cross mainline rail terminus and the surrounding West End area.
-
C.
Edgware Road Station
Edgware Road Station is a London Underground station in central London serving multiple Tube lines and acting as a key interchange near Paddington.
-
D.
Tottenham Court Road station
Tottenham Court Road station is a central London Underground station on the Central and Northern lines, located near Oxford Street and serving the West End.
-
E.
Charing Cross main line
Charing Cross main line is a central London railway route and terminus that serves as a key hub for commuter and regional train services into the city.
- 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: Charing Cross branch of Northern line Triple: [Clapham South Underground station, servedByService, Charing Cross branch of Northern line]
Generated description
The Charing Cross branch of the Northern line is a central London Underground route running through key West End stations such as Charing Cross, Leicester Square, and Tottenham Court Road.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Charing Cross branch of Northern line Target entity description: The Charing Cross branch of the Northern line is a central London Underground route running through key West End stations such as Charing Cross, Leicester Square, and Tottenham Court Road.
-
A.
Edgware branch
The Edgware branch is a northern suburban section of the London Underground’s Northern line running from central London to Edgware.
-
B.
Charing Cross Underground station
chosen
Charing Cross Underground station is a central London Tube station on the Bakerloo and Northern lines, serving the Charing Cross mainline rail terminus and the surrounding West End area.
-
C.
Edgware Road Station
Edgware Road Station is a London Underground station in central London serving multiple Tube lines and acting as a key interchange near Paddington.
-
D.
Tottenham Court Road station
Tottenham Court Road station is a central London Underground station on the Central and Northern lines, located near Oxford Street and serving the West End.
-
E.
Charing Cross main line
Charing Cross main line is a central London railway route and terminus that serves as a key hub for commuter and regional train services into the city.
- 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_69ca836094408190a36a1ea7e9a86fcd |
completed | March 30, 2026, 2:06 p.m. |
| NER | Named-entity recognition | batch_69cdcfaf7700819084dedf7b63e789c1 |
completed | April 2, 2026, 2:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d29a5d4b308190b5b1ece1ca99be86 |
completed | April 5, 2026, 5:22 p.m. |
| NEDg | Description generation | batch_69d29b7430248190b8965eaf1286dd7c |
completed | April 5, 2026, 5:27 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d29c7ba9f081908f4614098d6c954b |
completed | April 5, 2026, 5:31 p.m. |
Created at: March 30, 2026, 8:57 p.m.