Triple

T6445137
Position Surface form Disambiguated ID Type / Status
Subject Gletsch E138322 entity
Predicate hasRailConnection P848 FINISHED
Object Furka Cogwheel Steam Railway
The Furka Cogwheel Steam Railway is a historic Swiss mountain railway operated with vintage steam locomotives, offering scenic journeys over the Furka Pass between Realp and Oberwald.
E594001 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: Furka Cogwheel Steam Railway | Statement: [Gletsch, hasRailConnection, Furka Cogwheel Steam Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Furka Cogwheel Steam Railway
Context triple: [Gletsch, hasRailConnection, Furka Cogwheel Steam Railway]
  • A. Mangfall Valley Railway
    The Mangfall Valley Railway is a regional rail line in Bavaria, Germany, running through the Mangfall Valley and connecting several towns between Holzkirchen and Rosenheim.
  • B. Jura Foot Railway
    The Jura Foot Railway is a major Swiss rail line running along the southern foothills of the Jura Mountains, connecting key cities and towns in the western part of the country.
  • C. Murgtal Railway
    The Murgtal Railway is a scenic railway line in southwestern Germany that runs through the Murg Valley in the Black Forest, linking towns such as Rastatt with the surrounding region.
  • D. Ahr Valley Railway
    The Ahr Valley Railway is a scenic regional rail line in western Germany that follows the Ahr River through the Eifel region, connecting small towns and wine-growing areas to the broader rail network.
  • E. Rorschach–Heiden rack railway
    The Rorschach–Heiden rack railway is a Swiss mountain railway line that climbs steeply from the lakeside town of Rorschach to the higher-altitude village of Heiden using a rack-and-pinion system.
  • 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: Furka Cogwheel Steam Railway
Triple: [Gletsch, hasRailConnection, Furka Cogwheel Steam Railway]
Generated description
The Furka Cogwheel Steam Railway is a historic Swiss mountain railway operated with vintage steam locomotives, offering scenic journeys over the Furka Pass between Realp and Oberwald.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Furka Cogwheel Steam Railway
Target entity description: The Furka Cogwheel Steam Railway is a historic Swiss mountain railway operated with vintage steam locomotives, offering scenic journeys over the Furka Pass between Realp and Oberwald.
  • A. Mangfall Valley Railway
    The Mangfall Valley Railway is a regional rail line in Bavaria, Germany, running through the Mangfall Valley and connecting several towns between Holzkirchen and Rosenheim.
  • B. Jura Foot Railway
    The Jura Foot Railway is a major Swiss rail line running along the southern foothills of the Jura Mountains, connecting key cities and towns in the western part of the country.
  • C. Murgtal Railway
    The Murgtal Railway is a scenic railway line in southwestern Germany that runs through the Murg Valley in the Black Forest, linking towns such as Rastatt with the surrounding region.
  • D. Ahr Valley Railway
    The Ahr Valley Railway is a scenic regional rail line in western Germany that follows the Ahr River through the Eifel region, connecting small towns and wine-growing areas to the broader rail network.
  • E. Rorschach–Heiden rack railway
    The Rorschach–Heiden rack railway is a Swiss mountain railway line that climbs steeply from the lakeside town of Rorschach to the higher-altitude village of Heiden using a rack-and-pinion system.
  • 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_69c008aa61ac8190bc96715ed79fe2d8 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c0698d866c81909ef3e0a53833ff7d completed March 22, 2026, 10:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69c64bca1e3c81909c50177286b92ce5 completed March 27, 2026, 9:20 a.m.
NEDg Description generation batch_69c64c5e5e5c8190b24aea7e4114daa5 completed March 27, 2026, 9:22 a.m.
NED2 Entity disambiguation (via description) batch_69c64da81a0881908fc5716aeb0e47fa completed March 27, 2026, 9:28 a.m.
Created at: March 22, 2026, 4:46 p.m.