Triple

T6639774
Position Surface form Disambiguated ID Type / Status
Subject Lausanne Métro E150556 entity
Predicate hasPredecessor P97 FINISHED
Object Lausanne–Ouchy railway
The Lausanne–Ouchy railway was a historic funicular-turned-rack railway in Lausanne, Switzerland, that connected the city center with the lakeside district of Ouchy before being replaced by the modern metro system.
E612425 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: Lausanne–Ouchy railway | Statement: [Lausanne Métro, hasPredecessor, Lausanne–Ouchy railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lausanne–Ouchy railway
Context triple: [Lausanne Métro, hasPredecessor, Lausanne–Ouchy railway]
  • A. Paris–Lausanne railway
    The Paris–Lausanne railway is an international rail line connecting the French capital Paris with the Swiss city of Lausanne, serving as a major passenger and freight corridor between France and Switzerland.
  • B. Lausanne–Villeneuve railway line
    The Lausanne–Villeneuve railway line is a Swiss standard-gauge rail route along the north shore of Lake Geneva that connects Lausanne with the town of Villeneuve, serving numerous intermediate communities.
  • C. 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.
  • D. Lausanne–Geneva railway line
    The Lausanne–Geneva railway line is a major Swiss rail corridor connecting the cities of Lausanne and Geneva along the northern shore of Lake Geneva, serving as a key route for both regional and international trains.
  • E. Lausanne–Yverdon railway line
    The Lausanne–Yverdon railway line is a key standard-gauge rail route in western Switzerland that connects the cities of Lausanne and Yverdon-les-Bains through the canton of Vaud.
  • 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: Lausanne–Ouchy railway
Triple: [Lausanne Métro, hasPredecessor, Lausanne–Ouchy railway]
Generated description
The Lausanne–Ouchy railway was a historic funicular-turned-rack railway in Lausanne, Switzerland, that connected the city center with the lakeside district of Ouchy before being replaced by the modern metro system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lausanne–Ouchy railway
Target entity description: The Lausanne–Ouchy railway was a historic funicular-turned-rack railway in Lausanne, Switzerland, that connected the city center with the lakeside district of Ouchy before being replaced by the modern metro system.
  • A. Paris–Lausanne railway
    The Paris–Lausanne railway is an international rail line connecting the French capital Paris with the Swiss city of Lausanne, serving as a major passenger and freight corridor between France and Switzerland.
  • B. Lausanne–Villeneuve railway line
    The Lausanne–Villeneuve railway line is a Swiss standard-gauge rail route along the north shore of Lake Geneva that connects Lausanne with the town of Villeneuve, serving numerous intermediate communities.
  • C. 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.
  • D. Lausanne–Geneva railway line
    The Lausanne–Geneva railway line is a major Swiss rail corridor connecting the cities of Lausanne and Geneva along the northern shore of Lake Geneva, serving as a key route for both regional and international trains.
  • E. Lausanne–Yverdon railway line
    The Lausanne–Yverdon railway line is a key standard-gauge rail route in western Switzerland that connects the cities of Lausanne and Yverdon-les-Bains through the canton of Vaud.
  • 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_69c687f0ceb08190bf40807bfc605fa5 completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6aff1fe8081908c32db341b0fb354 completed March 27, 2026, 4:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6f7918c208190924c1906c7886a2c completed March 27, 2026, 9:33 p.m.
NEDg Description generation batch_69c6f86efd00819099d48fe7cb9640a3 completed March 27, 2026, 9:36 p.m.
NED2 Entity disambiguation (via description) batch_69c6f91ac7788190832a133c4fe046f1 completed March 27, 2026, 9:39 p.m.
Created at: March 27, 2026, 2 p.m.