Triple

T6724140
Position Surface form Disambiguated ID Type / Status
Subject RER line E E153469 entity
Predicate hasTunnelSection P15152 FINISHED
Object Haussmann–Saint-Lazare–Magenta tunnel
The Haussmann–Saint-Lazare–Magenta tunnel is an underground rail link in Paris connecting major central stations as part of the RER E commuter line network.
 E613623 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: Haussmann–Saint-Lazare–Magenta tunnel | Statement: [RER line E, hasTunnelSection, Haussmann–Saint-Lazare–Magenta tunnel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Haussmann–Saint-Lazare–Magenta tunnel
Context triple: [RER line E, hasTunnelSection, Haussmann–Saint-Lazare–Magenta tunnel]
  • A. Saumur railway tunnel
    The Saumur railway tunnel is a strategic rail tunnel in western France that became historically notable when it was successfully attacked by RAF Tallboy bombs during World War II.
  • B. Fréjus Rail Tunnel
    The Fréjus Rail Tunnel is a major Alpine railway tunnel linking France and Italy, playing a key role in trans-European rail transport.
  • C. Fréjus Road Tunnel
    The Fréjus Road Tunnel is a major trans-Alpine highway tunnel linking France and Italy through the Alps, serving as an important route for international road traffic.
  • D. 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.
  • E. Paris Métro Line 14
    Paris Métro Line 14 is a fully automated, high-capacity rapid transit line in Paris that runs through the city center and connects major railway stations and business districts.
  • 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: Haussmann–Saint-Lazare–Magenta tunnel
Triple: [RER line E, hasTunnelSection, Haussmann–Saint-Lazare–Magenta tunnel]
Generated description
The Haussmann–Saint-Lazare–Magenta tunnel is an underground rail link in Paris connecting major central stations as part of the RER E commuter line network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Haussmann–Saint-Lazare–Magenta tunnel
Target entity description: The Haussmann–Saint-Lazare–Magenta tunnel is an underground rail link in Paris connecting major central stations as part of the RER E commuter line network.
  • A. Saumur railway tunnel
    The Saumur railway tunnel is a strategic rail tunnel in western France that became historically notable when it was successfully attacked by RAF Tallboy bombs during World War II.
  • B. Fréjus Rail Tunnel
    The Fréjus Rail Tunnel is a major Alpine railway tunnel linking France and Italy, playing a key role in trans-European rail transport.
  • C. Fréjus Road Tunnel
    The Fréjus Road Tunnel is a major trans-Alpine highway tunnel linking France and Italy through the Alps, serving as an important route for international road traffic.
  • D. 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.
  • E. Paris Métro Line 14
    Paris Métro Line 14 is a fully automated, high-capacity rapid transit line in Paris that runs through the city center and connects major railway stations and business districts.
  • 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_69c6880afb988190ad88011b48ecfcba completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d13b296c8190bf54009063032c6d completed March 27, 2026, 6:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69c700a34e248190ba9d73437b19a96d completed March 27, 2026, 10:11 p.m.
NEDg Description generation batch_69c703ad7e0c81908da32c96806f3b07 completed March 27, 2026, 10:24 p.m.
NED2 Entity disambiguation (via description) batch_69c7042f23408190b06faafcb3251276 completed March 27, 2026, 10:26 p.m.
Created at: March 27, 2026, 2:08 p.m.