Triple

T3598478
Position Surface form Disambiguated ID Type / Status
Subject Severn Beach Line E76196 entity
Predicate partOf P40 FINISHED
Object Bristol suburban rail network
The Bristol suburban rail network is a local passenger rail system serving Bristol and its surrounding areas, providing frequent commuter and regional services on routes such as the Severn Beach Line.
 E372177 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: Bristol suburban rail network | Statement: [Severn Beach Line, partOf, Bristol suburban rail network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Bristol suburban rail network
Context triple: [Severn Beach Line, partOf, Bristol suburban rail network]
  • A. West Midlands rail network
    The West Midlands rail network is a regional railway system in central England that connects major cities and towns such as Birmingham, Wolverhampton, and Coventry through a range of suburban, regional, and intercity services.
  • B. Cambridge rail network
    The Cambridge rail network is the system of railway lines and stations serving Cambridge and its surrounding area, connecting the city to regional and national rail services.
  • C. West of England Main Line
    The West of England Main Line is a major railway route in southwest England that connects London with Exeter and passes through several counties including Somerset.
  • D. Bristol–Bath line
    The Bristol–Bath line is a key railway route in southwest England that connects the cities of Bristol and Bath, forming part of the Great Western Main Line network.
  • E. West Midlands Metro
    West Midlands Metro is a light rail/tram system serving Birmingham and the wider West Midlands region in England.
  • 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: Bristol suburban rail network
Triple: [Severn Beach Line, partOf, Bristol suburban rail network]
Generated description
The Bristol suburban rail network is a local passenger rail system serving Bristol and its surrounding areas, providing frequent commuter and regional services on routes such as the Severn Beach Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Bristol suburban rail network
Target entity description: The Bristol suburban rail network is a local passenger rail system serving Bristol and its surrounding areas, providing frequent commuter and regional services on routes such as the Severn Beach Line.
  • A. West Midlands rail network
    The West Midlands rail network is a regional railway system in central England that connects major cities and towns such as Birmingham, Wolverhampton, and Coventry through a range of suburban, regional, and intercity services.
  • B. Cambridge rail network
    The Cambridge rail network is the system of railway lines and stations serving Cambridge and its surrounding area, connecting the city to regional and national rail services.
  • C. West of England Main Line
    The West of England Main Line is a major railway route in southwest England that connects London with Exeter and passes through several counties including Somerset.
  • D. Bristol–Bath line
    The Bristol–Bath line is a key railway route in southwest England that connects the cities of Bristol and Bath, forming part of the Great Western Main Line network.
  • E. West Midlands Metro
    West Midlands Metro is a light rail/tram system serving Birmingham and the wider West Midlands region in England.
  • 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.