Triple
T14764283
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Plymouth to Gunnislake Line |
E346952
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object | Calstock Viaduct |
E1134915
|
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: Calstock Viaduct | Statement: [Plymouth to Gunnislake Line, hasStructure, Calstock Viaduct]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Calstock Viaduct Context triple: [Plymouth to Gunnislake Line, hasStructure, Calstock Viaduct]
-
A.
Calstock Viaduct
chosen
Calstock Viaduct is a prominent early 20th-century railway viaduct in Cornwall, England, known for its striking concrete arches spanning the River Tamar.
-
B.
Wrington viaduct
Wrington viaduct is a historic railway bridge and local landmark near the village of Wrington in Somerset, England.
-
C.
Meldon Viaduct
Meldon Viaduct is a historic 19th-century wrought-iron railway viaduct in Devon, England, notable for its dramatic height and scenic setting above the West Okement River.
-
D.
Abbeystead Viaduct
Abbeystead Viaduct is a historic stone railway viaduct in Lancashire, England, notable for carrying the former Garstang and Knot-End Railway across the River Wyre near the village of Abbeystead.
-
E.
Slateford Viaduct
Slateford Viaduct is a historic railway viaduct in the Slateford area of Edinburgh, Scotland, carrying trains high above the Water of Leith and the Union Canal.
- 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_69d822e8896c819091169882f9b20486 |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69dec7f3a1608190b1b17624003a0c7f |
completed | April 14, 2026, 11:04 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fff78dab488190a89b9eb4f648b36c |
completed | May 10, 2026, 3:12 a.m. |
Created at: April 10, 2026, 1:30 a.m.