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.