Triple

T127731
Position Surface form Disambiguated ID Type / Status
Subject English Channel E2585 entity
Predicate crossedBy P416 FINISHED
Object Channel Tunnel
The Channel Tunnel is a 50-kilometer undersea rail tunnel linking the United Kingdom and France, serving as a major passenger and freight transport route between the two countries.
E15582 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: Channel Tunnel | Statement: [English Channel, crossedBy, Channel Tunnel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Channel Tunnel
Context triple: [English Channel, crossedBy, Channel Tunnel]
  • A. Mont Blanc Tunnel
    The Mont Blanc Tunnel is a major trans-Alpine road tunnel linking France and Italy beneath the Mont Blanc massif, serving as a key route for international traffic through the Alps.
  • B. Crimean Bridge
    The Crimean Bridge is a massive road-and-rail bridge spanning the Kerch Strait, linking mainland Russia with the Crimean Peninsula and serving as a key strategic and political infrastructure project.
  • C. Manchester Ship Canal
    The Manchester Ship Canal is a major 19th-century inland waterway in northwest England that enabled ocean-going ships to reach the industrial city of Manchester from the Irish Sea.
  • D. Suez Canal
    The Suez Canal is a man-made waterway in Egypt that links the Mediterranean Sea to the Red Sea, serving as one of the world’s most important shipping routes between Europe and Asia.
  • E. Tobin Bridge
    The Tobin Bridge is a major steel cantilever bridge in the Boston area that carries U.S. Route 1 over the Mystic River, connecting Boston and Chelsea, Massachusetts.
  • 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: Channel Tunnel
Triple: [English Channel, crossedBy, Channel Tunnel]
Generated description
The Channel Tunnel is a 50-kilometer undersea rail tunnel linking the United Kingdom and France, serving as a major passenger and freight transport route between the two countries.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Channel Tunnel
Target entity description: The Channel Tunnel is a 50-kilometer undersea rail tunnel linking the United Kingdom and France, serving as a major passenger and freight transport route between the two countries.
  • A. Mont Blanc Tunnel
    The Mont Blanc Tunnel is a major trans-Alpine road tunnel linking France and Italy beneath the Mont Blanc massif, serving as a key route for international traffic through the Alps.
  • B. Crimean Bridge
    The Crimean Bridge is a massive road-and-rail bridge spanning the Kerch Strait, linking mainland Russia with the Crimean Peninsula and serving as a key strategic and political infrastructure project.
  • C. Manchester Ship Canal
    The Manchester Ship Canal is a major 19th-century inland waterway in northwest England that enabled ocean-going ships to reach the industrial city of Manchester from the Irish Sea.
  • D. Suez Canal
    The Suez Canal is a man-made waterway in Egypt that links the Mediterranean Sea to the Red Sea, serving as one of the world’s most important shipping routes between Europe and Asia.
  • E. Tobin Bridge
    The Tobin Bridge is a major steel cantilever bridge in the Boston area that carries U.S. Route 1 over the Mystic River, connecting Boston and Chelsea, Massachusetts.
  • 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_69a2520c0f3481908b0ed054a2fca8d0 completed Feb. 28, 2026, 2:25 a.m.
NER Named-entity recognition batch_69a25763ccf8819094e8dffb2ff98480 completed Feb. 28, 2026, 2:48 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2b01814e88190a21f98527b8f9420 completed Feb. 28, 2026, 9:06 a.m.
NEDg Description generation batch_69a2b0820abc8190b495c6347c989882 completed Feb. 28, 2026, 9:08 a.m.
NED2 Entity disambiguation (via description) batch_69a2b0db1180819096f569241e07de3b completed Feb. 28, 2026, 9:09 a.m.
Created at: Feb. 28, 2026, 2:30 a.m.