Triple

T3598454
Position Surface form Disambiguated ID Type / Status
Subject Severn Beach Line E76196 entity
Predicate terminus P388 FINISHED
Object Severn Beach railway station
Severn Beach railway station is a coastal rail station in South Gloucestershire, England, serving the village of Severn Beach near the Severn Estuary.
 E372170 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: Severn Beach railway station | Statement: [Severn Beach Line, terminus, Severn Beach railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Severn Beach railway station
Context triple: [Severn Beach Line, terminus, Severn Beach railway station]
  • A. Basildon railway station
    Basildon railway station is the main rail hub serving the town of Basildon in Essex, England, on the London, Tilbury and Southend line.
  • B. Southend Victoria railway station
    Southend Victoria railway station is a mainline terminus in Southend-on-Sea, England, providing regular rail services to London and other destinations.
  • C. Bournemouth railway station
    Bournemouth railway station is the main railway hub serving the coastal town of Bournemouth in Dorset, England, providing regional and long-distance train connections.
  • D. Aldershot railway station
    Aldershot railway station is the main rail transport hub serving the town of Aldershot in Hampshire, England, providing regional and commuter services.
  • E. Maidenhead railway station
    Maidenhead railway station is a key commuter and intercity rail hub in Berkshire, England, serving the town of Maidenhead on major routes including the Great Western Main Line and the Elizabeth 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: Severn Beach railway station
Triple: [Severn Beach Line, terminus, Severn Beach railway station]
Generated description
Severn Beach railway station is a coastal rail station in South Gloucestershire, England, serving the village of Severn Beach near the Severn Estuary.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Severn Beach railway station
Target entity description: Severn Beach railway station is a coastal rail station in South Gloucestershire, England, serving the village of Severn Beach near the Severn Estuary.
  • A. Basildon railway station
    Basildon railway station is the main rail hub serving the town of Basildon in Essex, England, on the London, Tilbury and Southend line.
  • B. Southend Victoria railway station
    Southend Victoria railway station is a mainline terminus in Southend-on-Sea, England, providing regular rail services to London and other destinations.
  • C. Bournemouth railway station
    Bournemouth railway station is the main railway hub serving the coastal town of Bournemouth in Dorset, England, providing regional and long-distance train connections.
  • D. Aldershot railway station
    Aldershot railway station is the main rail transport hub serving the town of Aldershot in Hampshire, England, providing regional and commuter services.
  • E. Maidenhead railway station
    Maidenhead railway station is a key commuter and intercity rail hub in Berkshire, England, serving the town of Maidenhead on major routes including the Great Western Main Line and the Elizabeth 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_69ad85d93dcc819094fba90cf70f4996 completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc19e9e98819094455cb3c4efcb9a completed March 8, 2026, 6:36 p.m.
NED1 Entity disambiguation (via context triple) batch_69b40316ebdc819088eb21b7087fb7e7 completed March 13, 2026, 12:29 p.m.
NEDg Description generation batch_69b406f095488190b4543fa8008fe86c completed March 13, 2026, 12:45 p.m.
NED2 Entity disambiguation (via description) batch_69b408744dcc819081308b7182a40c88 completed March 13, 2026, 12:52 p.m.
Created at: March 8, 2026, 3:22 p.m.