Triple

T1534225
Position Surface form Disambiguated ID Type / Status
Subject Fréjus Rail Tunnel E32513 entity
Predicate line P1293 FINISHED
Object Turin–Modane railway
The Turin–Modane railway is a major trans-Alpine rail line connecting Turin in Italy with Modane in France, providing a key international route through the Alps.
E175387 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: Turin–Modane railway | Statement: [Fréjus Rail Tunnel, line, Turin–Modane railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Turin–Modane railway
Context triple: [Fréjus Rail Tunnel, line, Turin–Modane railway]
  • A. Genoa–Ventimiglia railway
    The Genoa–Ventimiglia railway is a major coastal rail line in northwestern Italy that runs along the Ligurian Sea, connecting Genoa with towns up to the French border.
  • B. Lyon–Turin rail axis
    The Lyon–Turin rail axis is a major transalpine high-speed and freight railway project linking Lyon in France with Turin in Italy through long base tunnels under the Alps to improve cross-border transport.
  • C. Gotthard route
    The Gotthard route is a major north–south trans-Alpine transport corridor in Switzerland, linking central Europe with Italy via road and rail tunnels through the Gotthard massif.
  • D. Lyon–Grenoble railway
    The Lyon–Grenoble railway is a major French rail line connecting the city of Lyon with Grenoble, serving as an important corridor for both regional and long-distance passenger and freight traffic in southeastern France.
  • E. Geneva–Lyon railway
    The Geneva–Lyon railway is an international rail line linking the Swiss city of Geneva with Lyon in France, serving as a key passenger and freight corridor between the two countries.
  • 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: Turin–Modane railway
Triple: [Fréjus Rail Tunnel, line, Turin–Modane railway]
Generated description
The Turin–Modane railway is a major trans-Alpine rail line connecting Turin in Italy with Modane in France, providing a key international route through the Alps.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Turin–Modane railway
Target entity description: The Turin–Modane railway is a major trans-Alpine rail line connecting Turin in Italy with Modane in France, providing a key international route through the Alps.
  • A. Genoa–Ventimiglia railway
    The Genoa–Ventimiglia railway is a major coastal rail line in northwestern Italy that runs along the Ligurian Sea, connecting Genoa with towns up to the French border.
  • B. Lyon–Turin rail axis
    The Lyon–Turin rail axis is a major transalpine high-speed and freight railway project linking Lyon in France with Turin in Italy through long base tunnels under the Alps to improve cross-border transport.
  • C. Gotthard route
    The Gotthard route is a major north–south trans-Alpine transport corridor in Switzerland, linking central Europe with Italy via road and rail tunnels through the Gotthard massif.
  • D. Lyon–Grenoble railway
    The Lyon–Grenoble railway is a major French rail line connecting the city of Lyon with Grenoble, serving as an important corridor for both regional and long-distance passenger and freight traffic in southeastern France.
  • E. Geneva–Lyon railway
    The Geneva–Lyon railway is an international rail line linking the Swiss city of Geneva with Lyon in France, serving as a key passenger and freight corridor between the two countries.
  • 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_69a885ea86308190998f6bc14bb91f8e completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69aa61f8df00819086f34847e2170e12 completed March 6, 2026, 5:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad30942dc481908de85bd2ca30c0bd completed March 8, 2026, 8:17 a.m.
NEDg Description generation batch_69ad3104afe88190a8d783dd38d4f2fd completed March 8, 2026, 8:19 a.m.
NED2 Entity disambiguation (via description) batch_69ad31a17f5c8190b0d56b449f79cca5 completed March 8, 2026, 8:21 a.m.
Created at: March 4, 2026, 7:26 p.m.