Triple
T19541920
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sevelen |
E488926
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Chur–Rorschach railway line |
—
|
NE NERFINISHED |
How this triple was built (2 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: Chur–Rorschach railway line | Statement: [Sevelen, railwayLine, Chur–Rorschach railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chur–Rorschach railway line Context triple: [Sevelen, railwayLine, Chur–Rorschach railway line]
-
A.
Chur–Rorschach railway line
chosen
The Chur–Rorschach railway line is a standard-gauge main line in eastern Switzerland that connects the city of Chur with Rorschach on Lake Constance, serving numerous towns along the Rhine Valley.
-
B.
Lyss–Solothurn railway line
The Lyss–Solothurn railway line is a standard-gauge Swiss rail route connecting the towns of Lyss and Solothurn in the canton of Bern.
-
C.
Olten–Bern railway line
The Olten–Bern railway line is a major Swiss rail corridor connecting the city of Bern with Olten, forming part of the country’s primary east–west transit axis.
-
D.
Furka–Oberalp line
The Furka–Oberalp line is a historic Swiss metre-gauge mountain railway crossing the Alps between the cantons of Valais, Uri, and Graubünden, renowned for its steep gradients, scenic vistas, and partial operation as a heritage steam railway.
-
E.
Landquart–Davos railway line
The Landquart–Davos railway line is a Swiss metre-gauge mountain railway operated by the Rhaetian Railway, linking the town of Landquart with the alpine resort of Davos through the canton of Graubünden.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8e8db5b6c8190984b61f91981f575 |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e6387442588190a2cdae60a6a940d6 |
completed | April 20, 2026, 2:30 p.m. |
Created at: April 10, 2026, 1:41 p.m.