Triple

T19418071
Position Surface form Disambiguated ID Type / Status
Subject Atlantic Coast Line E485771 entity
Predicate hasBridgeOrViaduct P17088 FINISHED
Object Gover Viaduct (near St Austell, on approach via Par connection)
Gover Viaduct is a railway viaduct near St Austell in Cornwall, England, carrying the main line on the approach from the Par connection across the Gover Valley.
E1375228 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: Gover Viaduct (near St Austell, on approach via Par connection) | Statement: [Atlantic Coast Line, hasBridgeOrViaduct, Gover Viaduct (near St Austell, on approach via Par connection)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Gover Viaduct (near St Austell, on approach via Par connection)
Context triple: [Atlantic Coast Line, hasBridgeOrViaduct, Gover Viaduct (near St Austell, on approach via Par connection)]
  • A. Pensford Viaduct
    Pensford Viaduct is a historic disused railway viaduct in Somerset, England, notable for its impressive multi-arched structure dominating the village of Pensford.
  • B. Calstock Viaduct
    Calstock Viaduct is a prominent early 20th-century railway viaduct in Cornwall, England, known for its striking concrete arches spanning the River Tamar.
  • C. Avon Viaduct (railway)
    Avon Viaduct (railway) is a historic stone railway viaduct in South Lanarkshire, Scotland, notable for carrying trains high above the surrounding valley.
  • D. Crimple Valley Viaduct
    Crimple Valley Viaduct is a historic multi-arch railway viaduct in North Yorkshire, England, notable for carrying the Harrogate–Leeds line across the Crimple Valley.
  • E. Reddish Vale Viaduct
    Reddish Vale Viaduct is a large 19th-century railway viaduct spanning the Tame Valley, notable for its multiple brick arches and role in the region’s industrial railway heritage.
  • 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: Gover Viaduct (near St Austell, on approach via Par connection)
Triple: [Atlantic Coast Line, hasBridgeOrViaduct, Gover Viaduct (near St Austell, on approach via Par connection)]
Generated description
Gover Viaduct is a railway viaduct near St Austell in Cornwall, England, carrying the main line on the approach from the Par connection across the Gover Valley.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Gover Viaduct (near St Austell, on approach via Par connection)
Target entity description: Gover Viaduct is a railway viaduct near St Austell in Cornwall, England, carrying the main line on the approach from the Par connection across the Gover Valley.
  • A. Pensford Viaduct
    Pensford Viaduct is a historic disused railway viaduct in Somerset, England, notable for its impressive multi-arched structure dominating the village of Pensford.
  • B. Calstock Viaduct
    Calstock Viaduct is a prominent early 20th-century railway viaduct in Cornwall, England, known for its striking concrete arches spanning the River Tamar.
  • C. Avon Viaduct (railway)
    Avon Viaduct (railway) is a historic stone railway viaduct in South Lanarkshire, Scotland, notable for carrying trains high above the surrounding valley.
  • D. Crimple Valley Viaduct
    Crimple Valley Viaduct is a historic multi-arch railway viaduct in North Yorkshire, England, notable for carrying the Harrogate–Leeds line across the Crimple Valley.
  • E. Reddish Vale Viaduct
    Reddish Vale Viaduct is a large 19th-century railway viaduct spanning the Tame Valley, notable for its multiple brick arches and role in the region’s industrial railway heritage.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasBridgeOrViaduct
Context triple: [Atlantic Coast Line, hasBridgeOrViaduct, Gover Viaduct (near St Austell, on approach via Par connection)]
  • A. hasBridgeOrStructure
    Indicates that there exists a bridge or similar structural connection between the related entities.
  • B. hasViaduct chosen
    Indicates that one entity possesses, includes, or is connected by a viaduct in relation to another entity.
  • C. hasBridgeAndTunnelStructures
    Indicates that there exist both bridge and tunnel structures associated with or connecting the related entities.
  • D. hasBridgeTunnel
    Indicates that there exists a bridge or tunnel connection between two locations or structures.
  • E. hasBridgeUnderpasses
    Indicates that one structure, typically a bridge, includes or provides underpasses that allow passage beneath it.
  • 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_69d8e8d688f881909c85104a62e09d8a completed April 10, 2026, 12:11 p.m.
NER Named-entity recognition batch_69e62afad8d881908f1de6324e55d2f6 completed April 20, 2026, 1:32 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0733d00204819099957699ba6ceb76 completed May 15, 2026, 2:55 p.m.
NEDg Description generation batch_6a07346ddc0c8190a4919ee429e056e5 completed May 15, 2026, 2:57 p.m.
NED2 Entity disambiguation (via description) batch_6a073545b2e48190a8cb78cb25785017 completed May 15, 2026, 3:01 p.m.
PD Predicate disambiguation batch_69e4fd68b1f881908d273de1fee81a75 completed April 19, 2026, 4:06 p.m.
Created at: April 10, 2026, 1:37 p.m.