Triple

T6173312
Position Surface form Disambiguated ID Type / Status
Subject Tonbridge–Hastings railway E137755 entity
Predicate hasStructure P35 FINISHED
Object Bopeep Tunnel
Bopeep Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line through the coastal cliffs near St Leonards.
E572981 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: Bopeep Tunnel | Statement: [Tonbridge–Hastings railway, hasStructure, Bopeep Tunnel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bopeep Tunnel
Context triple: [Tonbridge–Hastings railway, hasStructure, Bopeep Tunnel]
  • A. Bosley Tunnel
    Bosley Tunnel is a historic narrowboat canal tunnel in Cheshire, England, forming part of the Macclesfield Canal navigation route.
  • B. Malinta Tunnel
    Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
  • C. Wawona Tunnel
    Wawona Tunnel is a historic highway tunnel in Yosemite National Park that serves as the dramatic western gateway to the famous Tunnel View overlook of Yosemite Valley.
  • D. Robertson Tunnel
    Robertson Tunnel is a major light rail tunnel in Portland, Oregon, carrying MAX trains through the West Hills between downtown and the city’s western suburbs.
  • E. Roki Tunnel
    Roki Tunnel is a strategic road tunnel through the Caucasus Mountains that serves as a key transport link between Russia and the breakaway region of South Ossetia in Georgia.
  • 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: Bopeep Tunnel
Triple: [Tonbridge–Hastings railway, hasStructure, Bopeep Tunnel]
Generated description
Bopeep Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line through the coastal cliffs near St Leonards.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bopeep Tunnel
Target entity description: Bopeep Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line through the coastal cliffs near St Leonards.
  • A. Bosley Tunnel
    Bosley Tunnel is a historic narrowboat canal tunnel in Cheshire, England, forming part of the Macclesfield Canal navigation route.
  • B. Malinta Tunnel
    Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
  • C. Wawona Tunnel
    Wawona Tunnel is a historic highway tunnel in Yosemite National Park that serves as the dramatic western gateway to the famous Tunnel View overlook of Yosemite Valley.
  • D. Robertson Tunnel
    Robertson Tunnel is a major light rail tunnel in Portland, Oregon, carrying MAX trains through the West Hills between downtown and the city’s western suburbs.
  • E. Roki Tunnel
    Roki Tunnel is a strategic road tunnel through the Caucasus Mountains that serves as a key transport link between Russia and the breakaway region of South Ossetia in Georgia.
  • 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_69c008a68c508190a8d78245c865960e completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c05d94c47481909745b2533926a1ca completed March 22, 2026, 9:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69c141b200788190bd8d968edba53e5f completed March 23, 2026, 1:35 p.m.
NEDg Description generation batch_69c148476d2481909da6cebc4f0422e2 completed March 23, 2026, 2:03 p.m.
NED2 Entity disambiguation (via description) batch_69c148c2be64819099170df84a904eb9 completed March 23, 2026, 2:05 p.m.
Created at: March 22, 2026, 4:18 p.m.