Triple
T15618328
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ewell, Surrey |
E375476
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Epsom Downs Line |
E157291
|
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: Epsom Downs Line | Statement: [Ewell, Surrey, railwayLine, Epsom Downs Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Epsom Downs Line Context triple: [Ewell, Surrey, railwayLine, Epsom Downs Line]
-
A.
Epsom Downs line
chosen
The Epsom Downs line is a suburban railway route in South London and Surrey that connects Sutton to Epsom Downs, serving several commuter towns along the way.
-
B.
Tattenham Corner line
The Tattenham Corner line is a suburban railway branch in South London and Surrey, England, running from Purley to Tattenham Corner and serving areas such as Banstead and Epsom Downs.
-
C.
Tonbridge Line
The Tonbridge Line is a railway route in southeast England that links London with the town of Tonbridge and connects to several other regional lines.
-
D.
Mole Valley line
The Mole Valley line is a railway route in Surrey, England, running through the Mole Valley and connecting London with towns such as Leatherhead and Dorking.
-
E.
Crouch Valley Line
Crouch Valley Line is a rural railway branch line in Essex, England, running between Wickford and Southminster and serving communities along the River Crouch.
- 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_69d85ccf2794819096cda4cbcb02d478 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e04e997ce481909b2f10d25705fbc6 |
completed | April 16, 2026, 2:51 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff5f3b643c819093230df6cfe440b9 |
completed | May 9, 2026, 4:22 p.m. |
Created at: April 10, 2026, 4:13 a.m.