Triple
T3115387
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London Borough of Croydon |
E65049
|
entity |
| Predicate | railHub |
P523
|
FINISHED |
| Object |
West Croydon station
West Croydon station is a major transport interchange in south London, serving National Rail, London Overground, and Tramlink services for the Croydon area.
|
E345890
|
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 Croydon station | Statement: [London Borough of Croydon, railHub, West Croydon station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Croydon station Context triple: [London Borough of Croydon, railHub, West Croydon station]
-
A.
East Croydon station
East Croydon station is a major railway interchange in south London, serving as one of the busiest commuter hubs on routes between central London, Gatwick Airport, and the south coast.
-
B.
Lewisham station
Lewisham station is a major transport hub in southeast London that serves National Rail, Docklands Light Railway, and numerous bus routes.
-
C.
Southwark station
Southwark station is a London Underground station on the Jubilee line, serving the South Bank area near major cultural attractions.
-
D.
Earl's Court tube station
Earl's Court tube station is a major London Underground station in West London serving the District and Piccadilly lines and acting as a key interchange for passengers traveling through Kensington and beyond.
-
E.
Clapham Junction railway station
Clapham Junction railway station is one of the busiest railway interchanges in Europe, serving as a major hub for suburban and regional rail services in southwest London.
- 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 Croydon station Triple: [London Borough of Croydon, railHub, West Croydon station]
Generated description
West Croydon station is a major transport interchange in south London, serving National Rail, London Overground, and Tramlink services for the Croydon area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: West Croydon station Target entity description: West Croydon station is a major transport interchange in south London, serving National Rail, London Overground, and Tramlink services for the Croydon area.
-
A.
East Croydon station
East Croydon station is a major railway interchange in south London, serving as one of the busiest commuter hubs on routes between central London, Gatwick Airport, and the south coast.
-
B.
Lewisham station
Lewisham station is a major transport hub in southeast London that serves National Rail, Docklands Light Railway, and numerous bus routes.
-
C.
Southwark station
Southwark station is a London Underground station on the Jubilee line, serving the South Bank area near major cultural attractions.
-
D.
Earl's Court tube station
Earl's Court tube station is a major London Underground station in West London serving the District and Piccadilly lines and acting as a key interchange for passengers traveling through Kensington and beyond.
-
E.
Clapham Junction railway station
Clapham Junction railway station is one of the busiest railway interchanges in Europe, serving as a major hub for suburban and regional rail services in southwest London.
- 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_69ad857fcc088190b0c4d45a5cde6f61 |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69ada4e40bc48190b9b17c706a2450d5 |
completed | March 8, 2026, 4:33 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b2f3b27a088190b20b3f4404c02c32 |
completed | March 12, 2026, 5:11 p.m. |
| NEDg | Description generation | batch_69b2f8f8d26c8190b0e8c46dd2846ef3 |
completed | March 12, 2026, 5:33 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b3081b9ca481909843bed69e47af53 |
completed | March 12, 2026, 6:38 p.m. |
Created at: March 8, 2026, 3:04 p.m.