Triple
T20860975
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Redruth railway station |
E513615
|
entity |
| Predicate | openedBy |
P421
|
FINISHED |
| Object | West Cornwall Railway |
—
|
NE NERFINISHED |
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 Cornwall Railway | Statement: [Redruth railway station, openedBy, West Cornwall Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Cornwall Railway Context triple: [Redruth railway station, openedBy, West Cornwall Railway]
-
A.
West Cornwall Railway
chosen
The West Cornwall Railway was a 19th-century railway company in Cornwall, England, that developed key lines connecting towns such as Penzance, Hayle, and Truro before being absorbed into larger railway networks.
-
B.
Cornwall Railway
Cornwall Railway was a 19th-century railway company in Cornwall, England, that built and operated key lines later absorbed into the Great Western Railway network.
-
C.
Cornish Main Line
The Cornish Main Line is a major railway route in Cornwall, England, connecting Penzance with the rest of the national rail network.
-
D.
Bodmin and Wenford Railway
Bodmin and Wenford Railway is a preserved heritage railway in Cornwall, England, offering steam and diesel train rides along a restored former branch line.
-
E.
South Devon Railway
South Devon Railway was a historic railway company in Devon, England, that developed and operated key lines in the region during the 19th century.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0b4f5b01081909452f654d2fc3f50 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c3aba3d0819093431f38f0095a71 |
completed | April 21, 2026, 12:24 a.m. |
Created at: April 16, 2026, 12:44 p.m.