Triple

T2419561
Position Surface form Disambiguated ID Type / Status
Subject Vevey E52386 entity
Predicate isServedBy P1293 FINISHED
Object Vevey–Chexbres railway line
The Vevey–Chexbres railway line is a short Swiss branch line in the canton of Vaud that climbs from the lakeside town of Vevey into the Lavaux vineyards, offering scenic connections to the main Lausanne–Bern route.
E269125 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: Vevey–Chexbres railway line | Statement: [Vevey, isServedBy, Vevey–Chexbres railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Vevey–Chexbres railway line
Context triple: [Vevey, isServedBy, Vevey–Chexbres railway line]
  • A. Geneva–La Plaine railway line
    The Geneva–La Plaine railway line is a regional rail route in the canton of Geneva, Switzerland, connecting central Geneva with its western suburbs and the French border.
  • B. Vevey–Les Pléiades railway line
    The Vevey–Les Pléiades railway line is a Swiss metre-gauge mountain railway connecting the lakeside town of Vevey with the scenic Les Pléiades area above it.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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: Vevey–Chexbres railway line
Triple: [Vevey, isServedBy, Vevey–Chexbres railway line]
Generated description
The Vevey–Chexbres railway line is a short Swiss branch line in the canton of Vaud that climbs from the lakeside town of Vevey into the Lavaux vineyards, offering scenic connections to the main Lausanne–Bern route.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Vevey–Chexbres railway line
Target entity description: The Vevey–Chexbres railway line is a short Swiss branch line in the canton of Vaud that climbs from the lakeside town of Vevey into the Lavaux vineyards, offering scenic connections to the main Lausanne–Bern route.
  • A. Geneva–La Plaine railway line
    The Geneva–La Plaine railway line is a regional rail route in the canton of Geneva, Switzerland, connecting central Geneva with its western suburbs and the French border.
  • B. Vevey–Les Pléiades railway line
    The Vevey–Les Pléiades railway line is a Swiss metre-gauge mountain railway connecting the lakeside town of Vevey with the scenic Les Pléiades area above it.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69ab495622948190bc6bc6e4cddaf645 completed March 6, 2026, 9:38 p.m.
NER Named-entity recognition batch_69abc96e1b3881909de57501b5d4099a completed March 7, 2026, 6:45 a.m.
NED1 Entity disambiguation (via context triple) batch_69aef0a299648190a55e9f2c47bd307f completed March 9, 2026, 4:09 p.m.
NEDg Description generation batch_69aef9d831bc8190a71ab921d0f0e919 completed March 9, 2026, 4:48 p.m.
NED2 Entity disambiguation (via description) batch_69aefa3c36708190b8eb3f1d64ca0c42 completed March 9, 2026, 4:50 p.m.
Created at: March 6, 2026, 9:42 p.m.