Triple

T7875725
Position Surface form Disambiguated ID Type / Status
Subject Rhaetian Railway E182845 entity
Predicate hasLine P35 FINISHED
Object Thusis–Valbella line
The Thusis–Valbella line is a regional railway route in the Swiss canton of Graubünden operated by the Rhaetian Railway, serving alpine communities between Thusis and the resort area around Valbella.
 E714667 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: Thusis–Valbella line | Statement: [Rhaetian Railway, hasLine, Thusis–Valbella line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Thusis–Valbella line
Context triple: [Rhaetian Railway, hasLine, Thusis–Valbella line]
  • A. Tarentaise railway line
    The Tarentaise railway line is a French alpine rail route in the Savoie region that serves ski resorts in the Tarentaise Valley and ends at Bourg-Saint-Maurice.
  • B. Turin–Aosta railway
    The Turin–Aosta railway is a key Italian rail line connecting the city of Turin with the Aosta Valley, serving both regional passenger and freight traffic through northwestern Italy.
  • C. Bernina railway line
    The Bernina railway line is a scenic Swiss mountain railway and UNESCO World Heritage site renowned for its dramatic alpine landscapes and panoramic train journeys between Switzerland and Italy.
  • D. Simplon railway line
    The Simplon railway line is a major trans-Alpine rail route connecting Switzerland and Italy through the Simplon Tunnel, serving as an important international passenger and freight corridor.
  • E. Albula Railway
    The Albula Railway is a renowned Swiss mountain railway line celebrated for its spectacular alpine scenery, spiral tunnels, and status as a UNESCO World Heritage Site.
  • 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: Thusis–Valbella line
Triple: [Rhaetian Railway, hasLine, Thusis–Valbella line]
Generated description
The Thusis–Valbella line is a regional railway route in the Swiss canton of Graubünden operated by the Rhaetian Railway, serving alpine communities between Thusis and the resort area around Valbella.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Thusis–Valbella line
Target entity description: The Thusis–Valbella line is a regional railway route in the Swiss canton of Graubünden operated by the Rhaetian Railway, serving alpine communities between Thusis and the resort area around Valbella.
  • A. Tarentaise railway line
    The Tarentaise railway line is a French alpine rail route in the Savoie region that serves ski resorts in the Tarentaise Valley and ends at Bourg-Saint-Maurice.
  • B. Turin–Aosta railway
    The Turin–Aosta railway is a key Italian rail line connecting the city of Turin with the Aosta Valley, serving both regional passenger and freight traffic through northwestern Italy.
  • C. Bernina railway line
    The Bernina railway line is a scenic Swiss mountain railway and UNESCO World Heritage site renowned for its dramatic alpine landscapes and panoramic train journeys between Switzerland and Italy.
  • D. Simplon railway line
    The Simplon railway line is a major trans-Alpine rail route connecting Switzerland and Italy through the Simplon Tunnel, serving as an important international passenger and freight corridor.
  • E. Albula Railway
    The Albula Railway is a renowned Swiss mountain railway line celebrated for its spectacular alpine scenery, spiral tunnels, and status as a UNESCO World Heritage Site.
  • 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_69cc93556f0c8190b072c3ec4c8e93bd completed April 1, 2026, 3:39 a.m.
NEDg Description generation batch_69cca83322748190bdd532552d972089 completed April 1, 2026, 5:08 a.m.
NED2 Entity disambiguation (via description) batch_69cca913304c8190a0ce9c468d98269f completed April 1, 2026, 5:11 a.m.
Created at: March 30, 2026, 4:57 p.m.