Triple

T6719930

Position	Surface form	Disambiguated ID	Type / Status
Subject	Riviera Line	`E153367`	entity
Predicate	connectsTo	`P845`	FINISHED
Object	South Devon Railway Main Line at Newton Abbot (historical) The South Devon Railway Main Line at Newton Abbot (historical) was a key junction and section of the former South Devon Railway in Devon, England, serving as an important interchange and route for trains along the West Country main line.	`E613998`	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: South Devon Railway Main Line at Newton Abbot (historical) | Statement: [Riviera Line, connectsTo, South Devon Railway Main Line at Newton Abbot (historical)]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: South Devon Railway Main Line at Newton Abbot (historical)
Context triple: [Riviera Line, connectsTo, South Devon Railway Main Line at Newton Abbot (historical)]

A. 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.
B. Exeter to Exmouth line
The Exeter to Exmouth line is a regional railway route in Devon, England, running along the River Exe to connect the city of Exeter with the seaside town of Exmouth.
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. West Somerset Railway
West Somerset Railway is a heritage steam and diesel railway in Somerset, England, running through scenic countryside between Bishops Lydeard and the coastal town of Minehead.
E. former Cambridge and St Ives railway line
The former Cambridge and St Ives railway line was a disused rail route in Cambridgeshire that once connected Cambridge with the town of St Ives before its conversion into part of the Cambridge Guided Busway.
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: South Devon Railway Main Line at Newton Abbot (historical)
Triple: [Riviera Line, connectsTo, South Devon Railway Main Line at Newton Abbot (historical)]

Generated description

The South Devon Railway Main Line at Newton Abbot (historical) was a key junction and section of the former South Devon Railway in Devon, England, serving as an important interchange and route for trains along the West Country main line.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: South Devon Railway Main Line at Newton Abbot (historical)
Target entity description: The South Devon Railway Main Line at Newton Abbot (historical) was a key junction and section of the former South Devon Railway in Devon, England, serving as an important interchange and route for trains along the West Country main line.

A. 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.
B. Exeter to Exmouth line
The Exeter to Exmouth line is a regional railway route in Devon, England, running along the River Exe to connect the city of Exeter with the seaside town of Exmouth.
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. West Somerset Railway
West Somerset Railway is a heritage steam and diesel railway in Somerset, England, running through scenic countryside between Bishops Lydeard and the coastal town of Minehead.
E. former Cambridge and St Ives railway line
The former Cambridge and St Ives railway line was a disused rail route in Cambridgeshire that once connected Cambridge with the town of St Ives before its conversion into part of the Cambridge Guided Busway.
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_69c68809b4608190a2509ddb5ab87f05`	completed	March 27, 2026, 1:37 p.m.
NER	Named-entity recognition	`batch_69c6d137084881908e04ee6b2bd45585`	completed	March 27, 2026, 6:49 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69c7009f1e208190891c4542a6c613ac`	completed	March 27, 2026, 10:11 p.m.
NEDg	Description generation	`batch_69c7048843e081908b70942a91a390fe`	completed	March 27, 2026, 10:28 p.m.
NED2	Entity disambiguation (via description)	`batch_69c705240f54819094e8715ffd66b352`	completed	March 27, 2026, 10:31 p.m.

Created at: March 27, 2026, 2:07 p.m.