Triple
T8911050
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sidcup Line suburban services |
E212180
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Crayford railway station
Crayford railway station is a suburban rail station in the London Borough of Bexley, serving the town of Crayford with regular commuter services into central London.
|
E765693
|
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: Crayford railway station | Statement: [Sidcup Line suburban services, hasStation, Crayford railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Crayford railway station Context triple: [Sidcup Line suburban services, hasStation, Crayford railway station]
-
A.
Cricklewood railway station
Cricklewood railway station is a suburban rail station in north-west London, England, serving the Cricklewood area on the Midland Main Line with Thameslink services into central London and beyond.
-
B.
Purley railway station
Purley railway station is a suburban railway station in the London Borough of Croydon that serves as a key junction and commuter hub on the Southern network in South London.
-
C.
Chislehurst railway station
Chislehurst railway station is a suburban rail station in the London Borough of Bromley that provides commuter services between Chislehurst and central London, as well as other destinations in southeast England.
-
D.
Orpington railway station
Orpington railway station is a major commuter rail hub in the London Borough of Bromley, providing frequent services between southeast London, Kent, and central London.
-
E.
Kentish Town railway station
Kentish Town railway station is a National Rail station in north London serving Thameslink services and providing an interchange with the adjacent Kentish Town Underground station.
- 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: Crayford railway station Triple: [Sidcup Line suburban services, hasStation, Crayford railway station]
Generated description
Crayford railway station is a suburban rail station in the London Borough of Bexley, serving the town of Crayford with regular commuter services into central London.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Crayford railway station Target entity description: Crayford railway station is a suburban rail station in the London Borough of Bexley, serving the town of Crayford with regular commuter services into central London.
-
A.
Cricklewood railway station
Cricklewood railway station is a suburban rail station in north-west London, England, serving the Cricklewood area on the Midland Main Line with Thameslink services into central London and beyond.
-
B.
Purley railway station
Purley railway station is a suburban railway station in the London Borough of Croydon that serves as a key junction and commuter hub on the Southern network in South London.
-
C.
Chislehurst railway station
Chislehurst railway station is a suburban rail station in the London Borough of Bromley that provides commuter services between Chislehurst and central London, as well as other destinations in southeast England.
-
D.
Orpington railway station
Orpington railway station is a major commuter rail hub in the London Borough of Bromley, providing frequent services between southeast London, Kent, and central London.
-
E.
Kentish Town railway station
Kentish Town railway station is a National Rail station in north London serving Thameslink services and providing an interchange with the adjacent Kentish Town Underground station.
- 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_69ca8393b1808190bd4336787ffa2c40 |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc6523b9348190a7cefac9e73e2004 |
completed | April 1, 2026, 12:21 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfba3c92c481909589e6a3c9469136 |
completed | April 3, 2026, 1:01 p.m. |
| NEDg | Description generation | batch_69cfbabf33a08190a18d13b9078c00e2 |
completed | April 3, 2026, 1:03 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cfbba71a948190afc03a1df9e5777c |
completed | April 3, 2026, 1:07 p.m. |
Created at: March 30, 2026, 6:55 p.m.