Triple
T15993674
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Streatham |
E387903
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
Streatham railway station
Streatham railway station is a suburban National Rail station in the London Borough of Lambeth, serving the Streatham area with services into central London and surrounding destinations.
|
E1192748
|
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: Streatham railway station | Statement: [Streatham, hasRailwayStation, Streatham railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Streatham railway station Context triple: [Streatham, hasRailwayStation, Streatham railway station]
-
A.
Brixton railway station
Brixton railway station is a suburban National Rail station in south London that provides commuter services into central London and connects with the London Underground’s Victoria line.
-
B.
West Norwood railway station
West Norwood railway station is a suburban rail station in south London providing commuter services that connect the surrounding districts, including Upper Norwood, to central London and other parts of the city.
-
C.
Camberwell railway station
Camberwell railway station is a major suburban railway station in Melbourne, Australia, serving as a key junction and interchange point on the city’s eastern rail network.
-
D.
West Brompton station
West Brompton station is a railway and London Underground station in West London that serves both the District line and National Rail services.
-
E.
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.
- 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: Streatham railway station Triple: [Streatham, hasRailwayStation, Streatham railway station]
Generated description
Streatham railway station is a suburban National Rail station in the London Borough of Lambeth, serving the Streatham area with services into central London and surrounding destinations.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Streatham railway station Target entity description: Streatham railway station is a suburban National Rail station in the London Borough of Lambeth, serving the Streatham area with services into central London and surrounding destinations.
-
A.
Brixton railway station
Brixton railway station is a suburban National Rail station in south London that provides commuter services into central London and connects with the London Underground’s Victoria line.
-
B.
West Norwood railway station
West Norwood railway station is a suburban rail station in south London providing commuter services that connect the surrounding districts, including Upper Norwood, to central London and other parts of the city.
-
C.
Camberwell railway station
Camberwell railway station is a major suburban railway station in Melbourne, Australia, serving as a key junction and interchange point on the city’s eastern rail network.
-
D.
West Brompton station
West Brompton station is a railway and London Underground station in West London that serves both the District line and National Rail services.
-
E.
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.
- 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_69d86daa562c81908aacc179c0fe8fb5 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e15785347081908831b4cbc9a2dd45 |
completed | April 16, 2026, 9:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffe46f19f48190a33647c711893564 |
completed | May 10, 2026, 1:50 a.m. |
| NEDg | Description generation | batch_69ffe64d42ec8190a518e58834852080 |
completed | May 10, 2026, 1:58 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ffe6b3f25481908dd4b6108b5d95c0 |
completed | May 10, 2026, 2 a.m. |
Created at: April 10, 2026, 4:55 a.m.