Triple

T20585094
Position Surface form Disambiguated ID Type / Status
Subject Fribourg railway station E505764 entity
Predicate locatedOn P40 FINISHED
Object Fribourg–Yverdon railway line — NE NERFINISHED

How this triple was built (2 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: Fribourg–Yverdon railway line | Statement: [Fribourg railway station, locatedOn, Fribourg–Yverdon railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fribourg–Yverdon railway line
Context triple: [Fribourg railway station, locatedOn, Fribourg–Yverdon railway line]
  • A. Fribourg–Yverdon railway line chosen
    The Fribourg–Yverdon railway line is a standard-gauge Swiss rail route connecting the cities of Fribourg and Yverdon-les-Bains through the canton of Fribourg and the Broye region.
  • B. 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.
  • C. 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.
  • D. Bern–Fribourg railway line
    The Bern–Fribourg railway line is a key Swiss standard-gauge rail route connecting the cities of Bern and Fribourg, forming part of an important national and international transit corridor.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e0b4b9669c8190b8e81fc72817d42c completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6a975f098819083700593a9fa6cd0 completed April 20, 2026, 10:32 p.m.
Created at: April 16, 2026, 11:40 a.m.