Triple

T490865
Position Surface form Disambiguated ID Type / Status
Subject Wales E9984 entity
Predicate hasUNESCOWorldHeritageSite P1098 FINISHED
Object Pontcysyllte Aqueduct and Canal
Pontcysyllte Aqueduct and Canal is a renowned early 19th-century engineering masterpiece in Wales, featuring a towering cast-iron aqueduct that carries the Llangollen Canal high above the River Dee.
E61324 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: Pontcysyllte Aqueduct and Canal | Statement: [Wales, hasUNESCOWorldHeritageSite, Pontcysyllte Aqueduct and Canal]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pontcysyllte Aqueduct and Canal
Context triple: [Wales, hasUNESCOWorldHeritageSite, Pontcysyllte Aqueduct and Canal]
  • A. Barton Swing Aqueduct
    Barton Swing Aqueduct is a pioneering movable navigable aqueduct in Greater Manchester, England, that carries the Bridgewater Canal over the Manchester Ship Canal by swinging aside to allow large ships to pass.
  • B. Swilcan Bridge
    Swilcan Bridge is a small, historic stone footbridge on the 18th hole of the Old Course at St Andrews, iconic in golf for the traditional photographs of players crossing it.
  • C. Thelwall Viaduct
    Thelwall Viaduct is a major motorway bridge in north-west England that carries the M6 over the River Mersey and surrounding waterways near Warrington.
  • 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. Long Bridge
    Long Bridge is a major railroad bridge over the Potomac River in Washington, D.C., carrying freight and passenger trains between the District of Columbia and Virginia.
  • 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: Pontcysyllte Aqueduct and Canal
Triple: [Wales, hasUNESCOWorldHeritageSite, Pontcysyllte Aqueduct and Canal]
Generated description
Pontcysyllte Aqueduct and Canal is a renowned early 19th-century engineering masterpiece in Wales, featuring a towering cast-iron aqueduct that carries the Llangollen Canal high above the River Dee.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pontcysyllte Aqueduct and Canal
Target entity description: Pontcysyllte Aqueduct and Canal is a renowned early 19th-century engineering masterpiece in Wales, featuring a towering cast-iron aqueduct that carries the Llangollen Canal high above the River Dee.
  • A. Barton Swing Aqueduct
    Barton Swing Aqueduct is a pioneering movable navigable aqueduct in Greater Manchester, England, that carries the Bridgewater Canal over the Manchester Ship Canal by swinging aside to allow large ships to pass.
  • B. Swilcan Bridge
    Swilcan Bridge is a small, historic stone footbridge on the 18th hole of the Old Course at St Andrews, iconic in golf for the traditional photographs of players crossing it.
  • C. Thelwall Viaduct
    Thelwall Viaduct is a major motorway bridge in north-west England that carries the M6 over the River Mersey and surrounding waterways near Warrington.
  • 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. Long Bridge
    Long Bridge is a major railroad bridge over the Potomac River in Washington, D.C., carrying freight and passenger trains between the District of Columbia and Virginia.
  • 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_69a2e802e2908190ab17c9479e0b6412 completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2f0e22a308190b04d12974fd08a38 completed Feb. 28, 2026, 1:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4778034fc8190bedcc537fed5cef9 completed March 1, 2026, 5:29 p.m.
NEDg Description generation batch_69a4789d8f8081908ed56a780d5e62b3 completed March 1, 2026, 5:34 p.m.
NED2 Entity disambiguation (via description) batch_69a4790ff80481909596be35d493f6d1 completed March 1, 2026, 5:36 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.