Triple

T4509709
Position Surface form Disambiguated ID Type / Status
Subject London Waterloo–Exeter E102018 entity
Predicate terminus P388 FINISHED
Object Exeter Central railway station
Exeter Central railway station is a major railway hub in Exeter, Devon, serving regional and long-distance services and providing a key link between the city centre and the wider South West rail network.
E449887 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 Central railway station | Statement: [London Waterloo–Exeter, terminus, Exeter Central railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Exeter Central railway station
Context triple: [London Waterloo–Exeter, terminus, Exeter Central railway station]
  • A. Exeter St Davids railway station
    Exeter St Davids railway station is the main railway hub in Exeter, Devon, serving as a key junction on the Great Western Main Line and several regional routes in southwest England.
  • B. Exeter station
    Exeter station is an Amtrak passenger rail station in Exeter, New Hampshire, serving as a stop on the Downeaster line between Boston and Maine.
  • C. St Thomas (Exeter) railway station
    St Thomas (Exeter) railway station is a small suburban rail stop in Exeter, England, serving the St Thomas area on the main line through the city.
  • D. Plymouth railway station
    Plymouth railway station is the main railway hub in Plymouth, Devon, providing regional and long-distance train services on the Great Western Main Line and CrossCountry network.
  • E. Torquay railway station
    Torquay railway station is the main rail hub serving the seaside resort town of Torquay in Devon, England, providing regional and intercity connections along the Riviera Line.
  • 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 Central railway station
Triple: [London Waterloo–Exeter, terminus, Exeter Central railway station]
Generated description
Exeter Central railway station is a major railway hub in Exeter, Devon, serving regional and long-distance services and providing a key link between the city centre and the wider South West rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Exeter Central railway station
Target entity description: Exeter Central railway station is a major railway hub in Exeter, Devon, serving regional and long-distance services and providing a key link between the city centre and the wider South West rail network.
  • A. Exeter St Davids railway station
    Exeter St Davids railway station is the main railway hub in Exeter, Devon, serving as a key junction on the Great Western Main Line and several regional routes in southwest England.
  • B. Exeter station
    Exeter station is an Amtrak passenger rail station in Exeter, New Hampshire, serving as a stop on the Downeaster line between Boston and Maine.
  • C. St Thomas (Exeter) railway station
    St Thomas (Exeter) railway station is a small suburban rail stop in Exeter, England, serving the St Thomas area on the main line through the city.
  • D. Plymouth railway station
    Plymouth railway station is the main railway hub in Plymouth, Devon, providing regional and long-distance train services on the Great Western Main Line and CrossCountry network.
  • E. Torquay railway station
    Torquay railway station is the main rail hub serving the seaside resort town of Torquay in Devon, England, providing regional and intercity connections along the Riviera Line.
  • 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_69bd43d6251c81909deecce3e6e9d69c completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd571138b88190b68bbfc4300aaf9d completed March 20, 2026, 2:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69bda42699648190a54e8c474766d29d completed March 20, 2026, 7:46 p.m.
NEDg Description generation batch_69bda5b564648190ab2badb264910185 completed March 20, 2026, 7:53 p.m.
NED2 Entity disambiguation (via description) batch_69bda658568c8190bf97e4328e3799be completed March 20, 2026, 7:56 p.m.
Created at: March 20, 2026, 1:01 p.m.