Triple
T9920734
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | East Dulwich railway station |
E187785
|
entity |
| Predicate | typicalOffPeakServiceTo |
P80227
|
FINISHED |
| Object | West Croydon railway station |
E345890
|
NE FINISHED |
How this triple was built (2 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 railway station | Statement: [East Dulwich railway station, typicalOffPeakServiceTo, West Croydon railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Croydon railway station Context triple: [East Dulwich railway station, typicalOffPeakServiceTo, West Croydon railway station]
-
A.
West Croydon station
chosen
West Croydon station is a major transport interchange in south London, serving National Rail, London Overground, and Tramlink services for the Croydon area.
-
B.
South Croydon railway station
South Croydon railway station is a suburban rail station in the London Borough of Croydon that serves commuter services between central London and destinations in Surrey and beyond.
-
C.
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.
-
D.
Croydon railway station
Croydon railway station is a suburban commuter rail station in Melbourne, Australia, serving the outer-eastern suburb of Croydon.
-
E.
Sanderstead railway station
Sanderstead railway station is a suburban rail station in the London Borough of Croydon, providing commuter services between central London and destinations in Surrey and Sussex.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca82b22a688190b52c75bd48429c10 |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cdb56abbb88190a21b8b77f1a25b81 |
completed | April 2, 2026, 12:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d228b8974c81909a603407ebe3df1f |
completed | April 5, 2026, 9:17 a.m. |
Created at: March 30, 2026, 8:42 p.m.