Triple

T9902189
Position Surface form Disambiguated ID Type / Status
Subject Harecastle Tunnel E182311 entity
Predicate hasPart P35 FINISHED
Object Telford Tunnel
Telford Tunnel is one of the two parallel canal tunnels at Harecastle on the Trent and Mersey Canal in Staffordshire, England, designed by engineer Thomas Telford to improve navigation capacity.
E835643 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: Telford Tunnel | Statement: [Harecastle Tunnel, hasPart, Telford Tunnel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Telford Tunnel
Context triple: [Harecastle Tunnel, hasPart, Telford Tunnel]
  • A. Mountfield Tunnel
    Mountfield Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line through the countryside near the village of Mountfield.
  • B. Cosgrove Tunnel
    Cosgrove Tunnel is a major water-supply conduit in Massachusetts that carries drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
  • C. Blisworth Tunnel
    Blisworth Tunnel is one of the longest navigable canal tunnels in Britain, carrying the Grand Union Canal beneath the Northamptonshire countryside.
  • D. Caldecott Tunnel
    The Caldecott Tunnel is a major highway tunnel in the San Francisco Bay Area that carries traffic through the Berkeley Hills between Oakland and Contra Costa County.
  • E. Malpas Tunnel
    Malpas Tunnel is a historic canal tunnel in southern France, notable as one of the first navigable tunnels built for the Canal du Midi in the 17th century.
  • 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: Telford Tunnel
Triple: [Harecastle Tunnel, hasPart, Telford Tunnel]
Generated description
Telford Tunnel is one of the two parallel canal tunnels at Harecastle on the Trent and Mersey Canal in Staffordshire, England, designed by engineer Thomas Telford to improve navigation capacity.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Telford Tunnel
Target entity description: Telford Tunnel is one of the two parallel canal tunnels at Harecastle on the Trent and Mersey Canal in Staffordshire, England, designed by engineer Thomas Telford to improve navigation capacity.
  • A. Mountfield Tunnel
    Mountfield Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line through the countryside near the village of Mountfield.
  • B. Cosgrove Tunnel
    Cosgrove Tunnel is a major water-supply conduit in Massachusetts that carries drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
  • C. Blisworth Tunnel
    Blisworth Tunnel is one of the longest navigable canal tunnels in Britain, carrying the Grand Union Canal beneath the Northamptonshire countryside.
  • D. Caldecott Tunnel
    The Caldecott Tunnel is a major highway tunnel in the San Francisco Bay Area that carries traffic through the Berkeley Hills between Oakland and Contra Costa County.
  • E. Malpas Tunnel
    Malpas Tunnel is a historic canal tunnel in southern France, notable as one of the first navigable tunnels built for the Canal du Midi in the 17th century.
  • 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_69ca82876f8081909cf75df0f99bb13f completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cdb4e391888190a3f5e5a1bf1cf9ff completed April 2, 2026, 12:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69d269c58bec8190bfba07c7ef3a91f8 completed April 5, 2026, 1:55 p.m.
NEDg Description generation batch_69d26b3e1b948190a76cf7ad91a1e0a5 completed April 5, 2026, 2:01 p.m.
NED2 Entity disambiguation (via description) batch_69d26c0c9ee88190867f8531e9ffbf27 completed April 5, 2026, 2:05 p.m.
Created at: March 30, 2026, 8:40 p.m.