Triple

T6249145
Position Surface form Disambiguated ID Type / Status
Subject La Sarraz E139999 entity
Predicate railwayLine P848 FINISHED
Object 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.
E582285 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–Yverdon railway line | Statement: [La Sarraz, railwayLine, Lausanne–Yverdon railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lausanne–Yverdon railway line
Context triple: [La Sarraz, railwayLine, Lausanne–Yverdon railway line]
  • A. 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.
  • B. Yverdon–Neuchâtel railway line
    The Yverdon–Neuchâtel railway line is a standard-gauge rail route in western Switzerland that connects the towns of Yverdon-les-Bains and Neuchâtel along the southern shore of Lake Neuchâtel.
  • C. Lausanne–Brig railway line
    The Lausanne–Brig railway line is a major standard-gauge route in western Switzerland that runs along the northern shore of Lake Geneva and through the Rhône Valley, connecting the city of Lausanne with the alpine town of Brig.
  • D. 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.
  • E. Bern–Neuchâtel railway line
    The Bern–Neuchâtel railway line is a key Swiss standard-gauge route connecting the federal city of Bern with Neuchâtel, serving both regional and intercity passenger traffic.
  • 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–Yverdon railway line
Triple: [La Sarraz, railwayLine, Lausanne–Yverdon railway line]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lausanne–Yverdon railway line
Target entity description: 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.
  • A. 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.
  • B. Yverdon–Neuchâtel railway line
    The Yverdon–Neuchâtel railway line is a standard-gauge rail route in western Switzerland that connects the towns of Yverdon-les-Bains and Neuchâtel along the southern shore of Lake Neuchâtel.
  • C. Lausanne–Brig railway line
    The Lausanne–Brig railway line is a major standard-gauge route in western Switzerland that runs along the northern shore of Lake Geneva and through the Rhône Valley, connecting the city of Lausanne with the alpine town of Brig.
  • D. 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.
  • E. Bern–Neuchâtel railway line
    The Bern–Neuchâtel railway line is a key Swiss standard-gauge route connecting the federal city of Bern with Neuchâtel, serving both regional and intercity passenger traffic.
  • 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_69c008b4858c819095b0199114a9a87b completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c0633c5f2081909b0246e061f8a7d9 completed March 22, 2026, 9:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69c5191d2d248190b34edca246ee74b8 completed March 26, 2026, 11:31 a.m.
NEDg Description generation batch_69c51ac2c2f88190a4e12725a5044fa9 completed March 26, 2026, 11:38 a.m.
NED2 Entity disambiguation (via description) batch_69c582c674e0819083b3d5c4c7eb7826 completed March 26, 2026, 7:02 p.m.
Created at: March 22, 2026, 4:24 p.m.