Triple
T14085222
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Whyteleafe South railway station |
E338975
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Caterham branch line |
E137895
|
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: Caterham branch line | Statement: [Whyteleafe South railway station, railwayLine, Caterham branch line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Caterham branch line Context triple: [Whyteleafe South railway station, railwayLine, Caterham branch line]
-
A.
Caterham line
chosen
The Caterham line is a suburban railway route in Surrey, England, connecting the town of Caterham with the main London rail network.
-
B.
Caterham Railway
Caterham Railway was a 19th-century British railway company that developed and operated the branch line serving the Caterham area in Surrey, later absorbed into larger regional rail networks.
-
C.
Churnet Valley Line
The Churnet Valley Line is a historic railway route in Staffordshire, England, known for following the scenic Churnet Valley and now partly operating as a heritage railway.
-
D.
Cranleigh Line
The Cranleigh Line was a former railway route in Surrey, England, that connected Guildford to Horsham and served rural communities including the village of Cranleigh before its closure in the 1960s.
-
E.
Henley Branch Line
The Henley Branch Line is a short railway branch in Oxfordshire, England, connecting the town of Henley-on-Thames to the Great Western Main Line.
- 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_69d81c687b0c819087fd9ed4198403f8 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de5edff1b881909ea56dc2429ef2dd |
completed | April 14, 2026, 3:36 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcd0a3e55c81909b52f618e9076dd2 |
completed | May 7, 2026, 5:49 p.m. |
Created at: April 9, 2026, 10:21 p.m.