Triple

T21317052
Position Surface form Disambiguated ID Type / Status
Subject Renens railway station E525498 entity
Predicate railwayLine P848 FINISHED
Object Lausanne–Bières railway line
The Lausanne–Bières railway line is a regional Swiss rail route in the canton of Vaud that connects the city of Lausanne with the town of Bières, serving intermediate communities along the way.
 E1491791 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–Bières railway line | Statement: [Renens railway station, railwayLine, Lausanne–Bières railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lausanne–Bières railway line
Context triple: [Renens railway station, railwayLine, Lausanne–Bières railway line]
  • A. 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.
  • 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. 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–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. Neuchâtel–Pontarlier railway line
    The Neuchâtel–Pontarlier railway line is an international rail route connecting the Swiss city of Neuchâtel with Pontarlier in France, crossing the Jura region.
  • 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–Bières railway line
Triple: [Renens railway station, railwayLine, Lausanne–Bières railway line]
Generated description
The Lausanne–Bières railway line is a regional Swiss rail route in the canton of Vaud that connects the city of Lausanne with the town of Bières, serving intermediate communities along the way.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lausanne–Bières railway line
Target entity description: The Lausanne–Bières railway line is a regional Swiss rail route in the canton of Vaud that connects the city of Lausanne with the town of Bières, serving intermediate communities along the way.
  • A. 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.
  • 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. 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–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. Neuchâtel–Pontarlier railway line
    The Neuchâtel–Pontarlier railway line is an international rail route connecting the Swiss city of Neuchâtel with Pontarlier in France, crossing the Jura region.
  • 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_69e0b51ad810819098c12392c8e55f6c completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e75dd0b34481909dd6d37cf8e42144 completed April 21, 2026, 11:21 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09f65d716c81908ccf2f8732892e33 completed May 17, 2026, 5:09 p.m.
NEDg Description generation batch_6a09f78a3d788190b4b19f3b6463550e completed May 17, 2026, 5:14 p.m.
NED2 Entity disambiguation (via description) batch_6a09f825b02c819096f57b1dba02ded2 completed May 17, 2026, 5:17 p.m.
Created at: April 16, 2026, 4:34 p.m.