Triple
T5807593
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | River Dart |
E128782
|
entity |
| Predicate | hasRailway |
P848
|
FINISHED |
| Object |
Dartmouth Steam Railway
Dartmouth Steam Railway is a heritage steam-operated tourist railway in Devon, England, running along the scenic coast and River Dart between Paignton and Kingswear.
|
E547495
|
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: Dartmouth Steam Railway | Statement: [River Dart, hasRailway, Dartmouth Steam Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dartmouth Steam Railway Context triple: [River Dart, hasRailway, Dartmouth Steam Railway]
-
A.
Taff Vale Railway
Taff Vale Railway was a historic Welsh railway company that played a key role in transporting coal and passengers in South Wales during the 19th and early 20th centuries.
-
B.
Mid Hants Railway
Mid Hants Railway, also known as the Watercress Line, is a preserved heritage railway in Hampshire, England, famed for its steam-hauled services through scenic countryside.
-
C.
Swanage Railway
Swanage Railway is a preserved heritage railway in southern England that operates steam and diesel trains along a scenic route on the Isle of Purbeck.
-
D.
Dean Forest Railway
The Dean Forest Railway is a heritage steam and diesel railway in Gloucestershire, England, that operates preserved trains through the Forest of Dean for tourism and enthusiast rides.
-
E.
Cambrian Heritage Railways
Cambrian Heritage Railways is a preserved heritage railway in Shropshire, England, dedicated to restoring and operating former Cambrian Railways lines and rolling stock for historical and tourist purposes.
- 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: Dartmouth Steam Railway Triple: [River Dart, hasRailway, Dartmouth Steam Railway]
Generated description
Dartmouth Steam Railway is a heritage steam-operated tourist railway in Devon, England, running along the scenic coast and River Dart between Paignton and Kingswear.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Dartmouth Steam Railway Target entity description: Dartmouth Steam Railway is a heritage steam-operated tourist railway in Devon, England, running along the scenic coast and River Dart between Paignton and Kingswear.
-
A.
Taff Vale Railway
Taff Vale Railway was a historic Welsh railway company that played a key role in transporting coal and passengers in South Wales during the 19th and early 20th centuries.
-
B.
Mid Hants Railway
Mid Hants Railway, also known as the Watercress Line, is a preserved heritage railway in Hampshire, England, famed for its steam-hauled services through scenic countryside.
-
C.
Swanage Railway
Swanage Railway is a preserved heritage railway in southern England that operates steam and diesel trains along a scenic route on the Isle of Purbeck.
-
D.
Dean Forest Railway
The Dean Forest Railway is a heritage steam and diesel railway in Gloucestershire, England, that operates preserved trains through the Forest of Dean for tourism and enthusiast rides.
-
E.
Cambrian Heritage Railways
Cambrian Heritage Railways is a preserved heritage railway in Shropshire, England, dedicated to restoring and operating former Cambrian Railways lines and rolling stock for historical and tourist purposes.
- 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_69c0084788848190bcf71f6bc5d71597 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c02b17417081908779741b9bfbb720 |
completed | March 22, 2026, 5:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c0983ded9c8190b37372627c1e3a50 |
completed | March 23, 2026, 1:32 a.m. |
| NEDg | Description generation | batch_69c0990bf38081908c09c5dfe660c35b |
completed | March 23, 2026, 1:36 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c099bd26fc8190a58bf483a6d4cbca |
completed | March 23, 2026, 1:39 a.m. |
Created at: March 22, 2026, 3:52 p.m.