Triple

T15540197
Position Surface form Disambiguated ID Type / Status
Subject Bristol Parkway–Cardiff Central E370454 entity
Predicate hasIntermediateSection P109446 FINISHED
Object Bristol Parkway–Severn Tunnel Junction
Bristol Parkway–Severn Tunnel Junction is a railway line segment in southwest Britain forming part of the main route between Bristol and South Wales via the Severn Tunnel.
E1161598 NE FINISHED

How this triple was built (5 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 Parkway–Severn Tunnel Junction | Statement: [Bristol Parkway–Cardiff Central, hasIntermediateSection, Bristol Parkway–Severn Tunnel Junction]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bristol Parkway–Severn Tunnel Junction
Context triple: [Bristol Parkway–Cardiff Central, hasIntermediateSection, Bristol Parkway–Severn Tunnel Junction]
  • A. Almondsbury Interchange
    Almondsbury Interchange is a major motorway junction in South Gloucestershire, England, where key routes including the M4 and M5 intersect.
  • B. Trent Lock junction
    Trent Lock junction is a key canal junction in Derbyshire, England, where the Erewash Canal meets the River Trent and other waterways, forming an important hub in the inland waterway network.
  • C. Shudehill Interchange
    Shudehill Interchange is a major public transport hub in Manchester, England, integrating bus and tram services near the city centre.
  • D. Meadowhall Interchange
    Meadowhall Interchange is a major public transport hub in Sheffield, England, linking rail, tram, and bus services for access to the Meadowhall Shopping Centre and the wider region.
  • E. Bolton Interchange
    Bolton Interchange is a key transport hub in Bolton, England, combining bus and rail services to connect the town with destinations across Greater Manchester and beyond.
  • 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 Parkway–Severn Tunnel Junction
Triple: [Bristol Parkway–Cardiff Central, hasIntermediateSection, Bristol Parkway–Severn Tunnel Junction]
Generated description
Bristol Parkway–Severn Tunnel Junction is a railway line segment in southwest Britain forming part of the main route between Bristol and South Wales via the Severn Tunnel.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bristol Parkway–Severn Tunnel Junction
Target entity description: Bristol Parkway–Severn Tunnel Junction is a railway line segment in southwest Britain forming part of the main route between Bristol and South Wales via the Severn Tunnel.
  • A. Almondsbury Interchange
    Almondsbury Interchange is a major motorway junction in South Gloucestershire, England, where key routes including the M4 and M5 intersect.
  • B. Trent Lock junction
    Trent Lock junction is a key canal junction in Derbyshire, England, where the Erewash Canal meets the River Trent and other waterways, forming an important hub in the inland waterway network.
  • C. Shudehill Interchange
    Shudehill Interchange is a major public transport hub in Manchester, England, integrating bus and tram services near the city centre.
  • D. Meadowhall Interchange
    Meadowhall Interchange is a major public transport hub in Sheffield, England, linking rail, tram, and bus services for access to the Meadowhall Shopping Centre and the wider region.
  • E. Bolton Interchange
    Bolton Interchange is a key transport hub in Bolton, England, combining bus and rail services to connect the town with destinations across Greater Manchester and beyond.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasIntermediateSection
Context triple: [Bristol Parkway–Cardiff Central, hasIntermediateSection, Bristol Parkway–Severn Tunnel Junction]
  • A. hasIntermediate chosen
    Indicates that there exists one or more entities that serve as a middle or transitional step between two related entities or stages.
  • B. hasSectionIn
    Indicates that one entity contains or includes another entity as a section or subdivision within it.
  • C. hasSectionWith
    Indicates that an entity contains or includes a specific section that satisfies certain conditions or characteristics.
  • D. hasSectionOn
    Indicates that one entity (typically a document or resource) contains a dedicated section or part that specifically addresses or discusses another entity or topic.
  • E. hasCentralSection
    Indicates that an entity possesses a distinct middle or central part within its overall structure or composition.
  • F. None of above.

Provenance (6 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_69d85cc521a08190921fb50319dddc34 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04430b5188190a555a3cd4fb0c61c completed April 16, 2026, 2:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff3d6396f08190a09253ac63110384 completed May 9, 2026, 1:57 p.m.
NEDg Description generation batch_69ff3de663848190936a5b1d31d18c75 completed May 9, 2026, 2 p.m.
NED2 Entity disambiguation (via description) batch_69ff3e8c5f308190a335dbc45f9d88ee completed May 9, 2026, 2:02 p.m.
PD Predicate disambiguation batch_69deda7a95c48190bbe29fadcf17191a completed April 15, 2026, 12:23 a.m.
Created at: April 10, 2026, 4:07 a.m.