Triple

T4062045
Position Surface form Disambiguated ID Type / Status
Subject Matterhorn Gotthard Bahn E86234 entity
Predicate formedByMergerOf P77 FINISHED
Object Brig–Visp–Zermatt-Bahn
Brig–Visp–Zermatt-Bahn was a Swiss narrow-gauge railway line connecting Brig, Visp, and the resort town of Zermatt in the canton of Valais.
E86234 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: Brig–Visp–Zermatt-Bahn | Statement: [Matterhorn Gotthard Bahn, formedByMergerOf, Brig–Visp–Zermatt-Bahn]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brig–Visp–Zermatt-Bahn
Context triple: [Matterhorn Gotthard Bahn, formedByMergerOf, Brig–Visp–Zermatt-Bahn]
  • A. Jura-Simplon-Bahn
    The Jura-Simplon-Bahn was a major 19th-century Swiss railway company that operated key routes in western Switzerland and through the Alps before being absorbed into the national rail system.
  • B. Matterhorn Gotthard Bahn
    Matterhorn Gotthard Bahn is a Swiss narrow-gauge railway company operating scenic mountain routes through the Alps, including connections to popular destinations like Zermatt and Andermatt.
  • C. Bern–Thun railway line
    The Bern–Thun railway line is a key Swiss rail route connecting the capital city of Bern with the town of Thun, serving as an important corridor for both regional and long-distance passenger services.
  • D. Bern–Lucerne railway line
    The Bern–Lucerne railway line is a major Swiss rail route connecting the capital city of Bern with the central Swiss city of Lucerne, serving as an important corridor for both regional and intercity passenger traffic.
  • 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: Brig–Visp–Zermatt-Bahn
Triple: [Matterhorn Gotthard Bahn, formedByMergerOf, Brig–Visp–Zermatt-Bahn]
Generated description
Brig–Visp–Zermatt-Bahn was a Swiss narrow-gauge railway line connecting Brig, Visp, and the resort town of Zermatt in the canton of Valais.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Brig–Visp–Zermatt-Bahn
Target entity description: Brig–Visp–Zermatt-Bahn was a Swiss narrow-gauge railway line connecting Brig, Visp, and the resort town of Zermatt in the canton of Valais.
  • A. Jura-Simplon-Bahn
    The Jura-Simplon-Bahn was a major 19th-century Swiss railway company that operated key routes in western Switzerland and through the Alps before being absorbed into the national rail system.
  • B. Matterhorn Gotthard Bahn chosen
    Matterhorn Gotthard Bahn is a Swiss narrow-gauge railway company operating scenic mountain routes through the Alps, including connections to popular destinations like Zermatt and Andermatt.
  • C. Bern–Thun railway line
    The Bern–Thun railway line is a key Swiss rail route connecting the capital city of Bern with the town of Thun, serving as an important corridor for both regional and long-distance passenger services.
  • D. Bern–Lucerne railway line
    The Bern–Lucerne railway line is a major Swiss rail route connecting the capital city of Bern with the central Swiss city of Lucerne, serving as an important corridor for both regional and intercity passenger traffic.
  • 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.

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_69aed93c69208190a4efac0efe3cd69b completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefbd60cc081908764fcc8206bc1ef completed March 9, 2026, 4:56 p.m.
NED1 Entity disambiguation (via context triple) batch_69b56b52e31c819099f9d354c197cf00 completed March 14, 2026, 2:06 p.m.
NEDg Description generation batch_69b56c3a4b708190a55027fd3b2b76e0 completed March 14, 2026, 2:10 p.m.
NED2 Entity disambiguation (via description) batch_69b56cc2ae948190a5e13992626dd547 completed March 14, 2026, 2:12 p.m.
Created at: March 9, 2026, 3:38 p.m.