Triple

T13149476
Position Surface form Disambiguated ID Type / Status
Subject Exeter Central E312425 entity
Predicate lineServed P6301 FINISHED
Object Exeter–Waterloo route
The Exeter–Waterloo route is a mainline railway service in southern England linking Exeter with London Waterloo via towns in Devon, Somerset, Wiltshire, and Hampshire.
E1023866 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: Exeter–Waterloo route | Statement: [Exeter Central, lineServed, Exeter–Waterloo route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Exeter–Waterloo route
Context triple: [Exeter Central, lineServed, Exeter–Waterloo route]
  • A. Cambridge–Brighton route
    The Cambridge–Brighton route is a cross-London commuter and regional rail service linking Cambridge in the north with Brighton on the south coast via central London.
  • B. Plymouth Line
    The Plymouth Line is a commuter rail route in Massachusetts that connects Boston with the town of Plymouth as part of the MBTA’s Old Colony Lines network.
  • C. Bristol to Exeter Line
    The Bristol to Exeter Line is a major railway route in southwest England connecting the cities of Bristol and Exeter and serving as an important corridor for regional and long-distance passenger services.
  • D. Peterborough–Horsham route
    The Peterborough–Horsham route is a north–south commuter rail service in southern England linking Peterborough in Cambridgeshire with Horsham in West Sussex via central London.
  • E. Exeter–Paignton route
    The Exeter–Paignton route is a scenic railway line in Devon, England, running along the coast and serving as a key part of the region’s passenger rail network.
  • 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: Exeter–Waterloo route
Triple: [Exeter Central, lineServed, Exeter–Waterloo route]
Generated description
The Exeter–Waterloo route is a mainline railway service in southern England linking Exeter with London Waterloo via towns in Devon, Somerset, Wiltshire, and Hampshire.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Exeter–Waterloo route
Target entity description: The Exeter–Waterloo route is a mainline railway service in southern England linking Exeter with London Waterloo via towns in Devon, Somerset, Wiltshire, and Hampshire.
  • A. Cambridge–Brighton route
    The Cambridge–Brighton route is a cross-London commuter and regional rail service linking Cambridge in the north with Brighton on the south coast via central London.
  • B. Plymouth Line
    The Plymouth Line is a commuter rail route in Massachusetts that connects Boston with the town of Plymouth as part of the MBTA’s Old Colony Lines network.
  • C. Bristol to Exeter Line
    The Bristol to Exeter Line is a major railway route in southwest England connecting the cities of Bristol and Exeter and serving as an important corridor for regional and long-distance passenger services.
  • D. Peterborough–Horsham route
    The Peterborough–Horsham route is a north–south commuter rail service in southern England linking Peterborough in Cambridgeshire with Horsham in West Sussex via central London.
  • E. Exeter–Paignton route
    The Exeter–Paignton route is a scenic railway line in Devon, England, running along the coast and serving as a key part of the region’s passenger rail network.
  • 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_69d806aabde48190899e13e41659cae5 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d98bd1fc408190b4b5ca973bcee403 completed April 10, 2026, 11:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6eaea3f888190b47ed7bf1c52e7e7 completed May 3, 2026, 6:27 a.m.
NEDg Description generation batch_69f6eedfd06c8190b6fe8055e54ca322 completed May 3, 2026, 6:44 a.m.
NED2 Entity disambiguation (via description) batch_69f6ef7479a881909abf6caa21bdcc86 completed May 3, 2026, 6:47 a.m.
Created at: April 9, 2026, 9:11 p.m.