Triple

T20916827
Position Surface form Disambiguated ID Type / Status
Subject Samedan E515093 entity
Predicate hasRailwayStation P918 FINISHED
Object Samedan railway station NE NERFINISHED

How this triple was built (3 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: Samedan railway station | Statement: [Samedan, hasRailwayStation, Samedan railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Samedan railway station
Context triple: [Samedan, hasRailwayStation, Samedan railway station]
  • A. Bregenz railway station
    Bregenz railway station is the main train station serving the city of Bregenz in western Austria, providing regional and international rail connections along the shores of Lake Constance.
  • B. Sursee railway station
    Sursee railway station is a regional rail hub in the town of Sursee in the Swiss canton of Lucerne, serving as a stop on key Swiss Federal Railways routes.
  • C. Selzach railway station
    Selzach railway station is a local Swiss railway stop in the municipality of Selzach, providing regional train connections within the canton of Solothurn.
  • D. Salez-Sennwald railway station
    Salez-Sennwald railway station is a local train station in the municipality of Sennwald in the Swiss canton of St. Gallen, serving regional rail services in eastern Switzerland.
  • E. Chur railway station
    Chur railway station is the main rail hub of the city of Chur in Switzerland, serving as a key interchange between standard-gauge Swiss Federal Railways lines and the narrow-gauge Rhaetian Railway network into the Alps.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Samedan railway station
Target entity description: Samedan railway station is a Swiss railway stop in the canton of Graubünden that serves as an important junction on the Rhaetian Railway network in the Engadin region.
  • A. Bregenz railway station
    Bregenz railway station is the main train station serving the city of Bregenz in western Austria, providing regional and international rail connections along the shores of Lake Constance.
  • B. Sursee railway station
    Sursee railway station is a regional rail hub in the town of Sursee in the Swiss canton of Lucerne, serving as a stop on key Swiss Federal Railways routes.
  • C. Selzach railway station
    Selzach railway station is a local Swiss railway stop in the municipality of Selzach, providing regional train connections within the canton of Solothurn.
  • D. Salez-Sennwald railway station
    Salez-Sennwald railway station is a local train station in the municipality of Sennwald in the Swiss canton of St. Gallen, serving regional rail services in eastern Switzerland.
  • E. Chur railway station
    Chur railway station is the main rail hub of the city of Chur in Switzerland, serving as a key interchange between standard-gauge Swiss Federal Railways lines and the narrow-gauge Rhaetian Railway network into the Alps.
  • F. None of above. chosen

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_69e0b4f9d5ec8190bb2bd27350ed341c completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6ec635f4881909a560fb891100d8c completed April 21, 2026, 3:17 a.m.
Created at: April 16, 2026, 12:48 p.m.