Triple

T7875722
Position Surface form Disambiguated ID Type / Status
Subject Rhaetian Railway E182845 entity
Predicate hasLine P35 FINISHED
Object Engadin line
The Engadin line is a scenic metre-gauge railway route in Switzerland’s canton of Graubünden that runs through the Engadin valley as part of the Rhaetian Railway network.
E714850 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: Engadin line | Statement: [Rhaetian Railway, hasLine, Engadin line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Engadin line
Context triple: [Rhaetian Railway, hasLine, Engadin line]
  • A. Lötschberg railway line
    The Lötschberg railway line is a major Swiss Alpine rail route operated by BLS that connects the Bernese Oberland with the Valais through long tunnels and dramatic mountain scenery.
  • B. Davos–Filisur railway line
    The Davos–Filisur railway line is a scenic metre-gauge mountain railway in the Swiss canton of Graubünden, known for its dramatic alpine landscapes, tunnels, and viaducts operated by the Rhaetian Railway.
  • C. Brünig railway line
    The Brünig railway line is a scenic Swiss metre-gauge rail route operated by Zentralbahn that connects Lucerne and Interlaken across the Alps.
  • D. 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.
  • E. Thun–Spiez railway line
    The Thun–Spiez railway line is a Swiss standard-gauge rail route in the canton of Bern that connects the town of Thun with the junction hub of Spiez, forming part of key north–south Alpine transit corridors.
  • 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: Engadin line
Triple: [Rhaetian Railway, hasLine, Engadin line]
Generated description
The Engadin line is a scenic metre-gauge railway route in Switzerland’s canton of Graubünden that runs through the Engadin valley as part of the Rhaetian Railway network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Engadin line
Target entity description: The Engadin line is a scenic metre-gauge railway route in Switzerland’s canton of Graubünden that runs through the Engadin valley as part of the Rhaetian Railway network.
  • A. Lötschberg railway line
    The Lötschberg railway line is a major Swiss Alpine rail route operated by BLS that connects the Bernese Oberland with the Valais through long tunnels and dramatic mountain scenery.
  • B. Davos–Filisur railway line
    The Davos–Filisur railway line is a scenic metre-gauge mountain railway in the Swiss canton of Graubünden, known for its dramatic alpine landscapes, tunnels, and viaducts operated by the Rhaetian Railway.
  • C. Brünig railway line
    The Brünig railway line is a scenic Swiss metre-gauge rail route operated by Zentralbahn that connects Lucerne and Interlaken across the Alps.
  • D. 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.
  • E. Thun–Spiez railway line
    The Thun–Spiez railway line is a Swiss standard-gauge rail route in the canton of Bern that connects the town of Thun with the junction hub of Spiez, forming part of key north–south Alpine transit corridors.
  • 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_69ca828a17248190b46defe758bc5ad3 completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cb39aa7ca88190b88a18f6a8971e51 completed March 31, 2026, 3:04 a.m.
NED1 Entity disambiguation (via context triple) batch_69ccbdbcede08190af889a5228de01f5 completed April 1, 2026, 6:39 a.m.
NEDg Description generation batch_69ccc24a39f88190995f076d1a7ec3e7 completed April 1, 2026, 6:59 a.m.
NED2 Entity disambiguation (via description) batch_69ccc37f0ca88190b4e077f23dbbe6f8 completed April 1, 2026, 7:04 a.m.
Created at: March 30, 2026, 4:57 p.m.