Triple
T11252610
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lostwithiel railway station |
E266354
|
entity |
| Predicate | openedBy |
P421
|
FINISHED |
| Object |
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.
|
E915997
|
NE FINISHED |
How this triple was built (4 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: Cornwall Railway | Statement: [Lostwithiel railway station, openedBy, Cornwall Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cornwall Railway Context triple: [Lostwithiel railway station, openedBy, Cornwall Railway]
-
A.
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.
-
B.
Corris Railway
Corris Railway is a historic narrow-gauge railway in Wales, originally built for slate transport and now operated as a heritage line.
-
C.
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.
-
D.
Pelion Railway
Pelion Railway is a historic narrow-gauge mountain railway in Greece, renowned for its scenic route through the Pelion peninsula and its traditional steam trains.
-
E.
Swansea Vale Railway
The Swansea Vale Railway was a historic railway line in South Wales that primarily served the industrial and mining communities of the Swansea Valley.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Cornwall Railway Triple: [Lostwithiel railway station, openedBy, Cornwall Railway]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cornwall Railway Target entity description: 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.
-
A.
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.
-
B.
Corris Railway
Corris Railway is a historic narrow-gauge railway in Wales, originally built for slate transport and now operated as a heritage line.
-
C.
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.
-
D.
Pelion Railway
Pelion Railway is a historic narrow-gauge mountain railway in Greece, renowned for its scenic route through the Pelion peninsula and its traditional steam trains.
-
E.
Swansea Vale Railway
The Swansea Vale Railway was a historic railway line in South Wales that primarily served the industrial and mining communities of the Swansea Valley.
- F. None of above. chosen
Provenance (5 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_69d6aac7953c8190b82caf9d7640fdf9 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e933648481909873094bc89ed041 |
completed | April 9, 2026, 6 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e4f40019588190864c59e8451e80bd |
completed | April 19, 2026, 3:25 p.m. |
| NEDg | Description generation | batch_69e4f7dbfafc8190afa1e9fe67f1296e |
completed | April 19, 2026, 3:42 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69e4ff4645948190a2bfcc3a4efd8e2a |
completed | April 19, 2026, 4:13 p.m. |
Created at: April 8, 2026, 9:31 p.m.