Triple

T4295791
Position Surface form Disambiguated ID Type / Status
Subject Brünig Pass E99707 entity
Predicate hasRailOperator P5620 FINISHED
Object Zentralbahn
Zentralbahn is a Swiss railway company that operates scenic regional and intercity train services through central Switzerland, including routes over the Brünig Pass.
E428452 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: Zentralbahn | Statement: [Brünig Pass, hasRailOperator, Zentralbahn]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Zentralbahn
Context triple: [Brünig Pass, hasRailOperator, Zentralbahn]
  • A. Schweizerische Nordostbahn
    Schweizerische Nordostbahn was a major 19th-century Swiss private railway company that operated in northeastern Switzerland before being nationalized into the Swiss Federal Railways.
  • B. Rhine Railway
    The Rhine Railway is a major railway line in Western Europe that connects key cities along the Rhine corridor, facilitating both international passenger and freight transport.
  • C. Nord-Süd-Bahn
    Nord-Süd-Bahn was the original name of Berlin’s present-day U6 U-Bahn line, a major north–south underground route through the city.
  • D. Nuremberg–Bamberg railway
    The Nuremberg–Bamberg railway is a major German main line in Bavaria that connects the cities of Nuremberg and Bamberg and forms part of important regional and long-distance rail routes.
  • E. Ulm–Aalen railway
    The Ulm–Aalen railway is a regional rail line in the German state of Baden-Württemberg that connects the cities of Ulm and Aalen as part of the country’s conventional rail network.
  • 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: Zentralbahn
Triple: [Brünig Pass, hasRailOperator, Zentralbahn]
Generated description
Zentralbahn is a Swiss railway company that operates scenic regional and intercity train services through central Switzerland, including routes over the Brünig Pass.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Zentralbahn
Target entity description: Zentralbahn is a Swiss railway company that operates scenic regional and intercity train services through central Switzerland, including routes over the Brünig Pass.
  • A. Schweizerische Nordostbahn
    Schweizerische Nordostbahn was a major 19th-century Swiss private railway company that operated in northeastern Switzerland before being nationalized into the Swiss Federal Railways.
  • B. Rhine Railway
    The Rhine Railway is a major railway line in Western Europe that connects key cities along the Rhine corridor, facilitating both international passenger and freight transport.
  • C. Nord-Süd-Bahn
    Nord-Süd-Bahn was the original name of Berlin’s present-day U6 U-Bahn line, a major north–south underground route through the city.
  • D. Nuremberg–Bamberg railway
    The Nuremberg–Bamberg railway is a major German main line in Bavaria that connects the cities of Nuremberg and Bamberg and forms part of important regional and long-distance rail routes.
  • E. Ulm–Aalen railway
    The Ulm–Aalen railway is a regional rail line in the German state of Baden-Württemberg that connects the cities of Ulm and Aalen as part of the country’s conventional rail network.
  • 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_69b3455175088190aa79c6e03b86647e completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b35085b864819086cf726285384566 completed March 12, 2026, 11:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5c740c4a081909a63fb957f2926ae completed March 14, 2026, 8:38 p.m.
NEDg Description generation batch_69b5c7d04508819087b14c5c86f1e015 completed March 14, 2026, 8:40 p.m.
NED2 Entity disambiguation (via description) batch_69b5c84ccea08190a8e7e8fa93934ea2 completed March 14, 2026, 8:42 p.m.
Created at: March 12, 2026, 11:08 p.m.