Triple

T848487
Position Surface form Disambiguated ID Type / Status
Subject A3 road E18328 entity
Predicate hasStructure P35 FINISHED
Object Hindhead Tunnel
Hindhead Tunnel is a major road tunnel in Surrey, England, carrying the A3 beneath the Devil’s Punch Bowl to improve traffic flow and reduce environmental impact on the surrounding countryside.
E102499 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: Hindhead Tunnel | Statement: [A3 road, hasStructure, Hindhead Tunnel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hindhead Tunnel
Context triple: [A3 road, hasStructure, Hindhead Tunnel]
  • A. Dartford Tunnel
    The Dartford Tunnel is a major road tunnel under the River Thames in southeast England, forming part of a key river crossing on the London orbital route.
  • B. Severn Tunnel
    Severn Tunnel is a major railway tunnel in the United Kingdom that runs beneath the River Severn, linking South West England with South Wales.
  • C. Mersey Tunnels
    The Mersey Tunnels are a set of road and rail tunnels linking Liverpool with the Wirral Peninsula beneath the River Mersey in northwest England.
  • D. Standedge tunnels
    The Standedge Tunnels are a historic series of canal and railway tunnels piercing the Pennines in northern England, known as some of the longest and highest transport tunnels in the UK.
  • E. Queensway Tunnel
    The Queensway Tunnel is a road tunnel in northwest England that carries vehicular traffic beneath the River Mersey between Liverpool and the Wirral Peninsula.
  • 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: Hindhead Tunnel
Triple: [A3 road, hasStructure, Hindhead Tunnel]
Generated description
Hindhead Tunnel is a major road tunnel in Surrey, England, carrying the A3 beneath the Devil’s Punch Bowl to improve traffic flow and reduce environmental impact on the surrounding countryside.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hindhead Tunnel
Target entity description: Hindhead Tunnel is a major road tunnel in Surrey, England, carrying the A3 beneath the Devil’s Punch Bowl to improve traffic flow and reduce environmental impact on the surrounding countryside.
  • A. Dartford Tunnel
    The Dartford Tunnel is a major road tunnel under the River Thames in southeast England, forming part of a key river crossing on the London orbital route.
  • B. Severn Tunnel
    Severn Tunnel is a major railway tunnel in the United Kingdom that runs beneath the River Severn, linking South West England with South Wales.
  • C. Mersey Tunnels
    The Mersey Tunnels are a set of road and rail tunnels linking Liverpool with the Wirral Peninsula beneath the River Mersey in northwest England.
  • D. Standedge tunnels
    The Standedge Tunnels are a historic series of canal and railway tunnels piercing the Pennines in northern England, known as some of the longest and highest transport tunnels in the UK.
  • E. Queensway Tunnel
    The Queensway Tunnel is a road tunnel in northwest England that carries vehicular traffic beneath the River Mersey between Liverpool and the Wirral Peninsula.
  • 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_69a4938b04208190b82e1df6b572c548 completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4ac1e41748190a21cd1ce5ebcb8ff completed March 1, 2026, 9:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7a3bd8b588190b7a9eb72dce93d07 completed March 4, 2026, 3:15 a.m.
NEDg Description generation batch_69a7a8da0c3481909f34d435ccf62ea7 completed March 4, 2026, 3:36 a.m.
NED2 Entity disambiguation (via description) batch_69a7a97688fc8190818957701913738f completed March 4, 2026, 3:39 a.m.
Created at: March 1, 2026, 7:38 p.m.