Triple
T6963378
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Catford Loop Line |
E161426
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object |
West Dulwich railway station
West Dulwich railway station is a suburban rail station in south London providing commuter services into central London and surrounding areas.
|
E630551
|
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: West Dulwich railway station | Statement: [Catford Loop Line, serves, West Dulwich railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Dulwich railway station Context triple: [Catford Loop Line, serves, West Dulwich railway station]
-
A.
East Dulwich railway station
East Dulwich railway station is a suburban rail station in the London Borough of Southwark, providing local services on the line between central London and south London destinations.
-
B.
Redbridge railway station
Redbridge railway station is a small suburban rail stop in Hampshire, England, serving the Redbridge area near Southampton on local and regional routes.
-
C.
Ealing Common station
Ealing Common station is a London Underground station in West London serving the District and Piccadilly lines.
-
D.
Northolt Park station
Northolt Park station is a suburban railway station in the London Borough of Harrow served by Chiltern Railways services between central London and the Midlands.
-
E.
North Ealing station
North Ealing station is a London Underground station in the Ealing area of west London, served by the 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: West Dulwich railway station Triple: [Catford Loop Line, serves, West Dulwich railway station]
Generated description
West Dulwich railway station is a suburban rail station in south London providing commuter services into central London and surrounding areas.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: West Dulwich railway station Target entity description: West Dulwich railway station is a suburban rail station in south London providing commuter services into central London and surrounding areas.
-
A.
East Dulwich railway station
East Dulwich railway station is a suburban rail station in the London Borough of Southwark, providing local services on the line between central London and south London destinations.
-
B.
Redbridge railway station
Redbridge railway station is a small suburban rail stop in Hampshire, England, serving the Redbridge area near Southampton on local and regional routes.
-
C.
Ealing Common station
Ealing Common station is a London Underground station in West London serving the District and Piccadilly lines.
-
D.
Northolt Park station
Northolt Park station is a suburban railway station in the London Borough of Harrow served by Chiltern Railways services between central London and the Midlands.
-
E.
North Ealing station
North Ealing station is a London Underground station in the Ealing area of west London, served by the 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_69c68853cff881908439d488924a8283 |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6daf197b0819085bd0433c8a7f716 |
completed | March 27, 2026, 7:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c758a0e5bc819098206940fc3ac623 |
completed | March 28, 2026, 4:27 a.m. |
| NEDg | Description generation | batch_69c759553fe081909881c8d2ae680dfe |
completed | March 28, 2026, 4:30 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c759c79de48190bd3e079c07a9158a |
completed | March 28, 2026, 4:32 a.m. |
Created at: March 27, 2026, 2:30 p.m.