Triple

T21753908

Position	Surface form	Disambiguated ID	Type / Status
Subject	Westbahn railway line	`E536984`	entity
Predicate	servedByOperator	`P5884`	FINISHED
Object	WESTbahn (train operating company)	`—`	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: WESTbahn (train operating company) | Statement: [Westbahn railway line, servedByOperator, WESTbahn (train operating company)]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: WESTbahn (train operating company)
Context triple: [Westbahn railway line, servedByOperator, WESTbahn (train operating company)]

A. Western Railway (Westbahn)
Western Railway (Westbahn) is one of Austria’s main electrified trunk railway lines, connecting Vienna with major cities to the west such as Linz and Salzburg.
B. Südostbahn
Südostbahn is a Swiss railway company that operates regional and suburban train services, including lines within the Zürich S-Bahn network.
C. Abellio Rail Baden-Württemberg
Abellio Rail Baden-Württemberg is a regional railway operator in the German state of Baden-Württemberg, providing passenger train services under the Abellio brand.
D. Deutsche Bahn
Deutsche Bahn is Germany's state-owned national railway company and one of the largest rail and logistics operators in Europe.
E. DB Regio AG
DB Regio AG is a major German railway company that operates regional and local passenger train services across Germany as part of the Deutsche Bahn Group.
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: WESTbahn (train operating company)
Target entity description: WESTbahn is a private Austrian open-access railway company that operates intercity passenger trains, primarily on the Vienna–Salzburg corridor.

A. Western Railway (Westbahn) chosen
Western Railway (Westbahn) is one of Austria’s main electrified trunk railway lines, connecting Vienna with major cities to the west such as Linz and Salzburg.
B. Südostbahn
Südostbahn is a Swiss railway company that operates regional and suburban train services, including lines within the Zürich S-Bahn network.
C. Abellio Rail Baden-Württemberg
Abellio Rail Baden-Württemberg is a regional railway operator in the German state of Baden-Württemberg, providing passenger train services under the Abellio brand.
D. Deutsche Bahn
Deutsche Bahn is Germany's state-owned national railway company and one of the largest rail and logistics operators in Europe.
E. DB Regio AG
DB Regio AG is a major German railway company that operates regional and local passenger train services across Germany as part of the Deutsche Bahn Group.
F. None of above.

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_69e0c46eab808190b848242d63a17c47`	completed	April 16, 2026, 11:13 a.m.
NER	Named-entity recognition	`batch_69f01d8c57508190b45fb974ef0ded10`	completed	April 28, 2026, 2:38 a.m.

Created at: April 16, 2026, 6:50 p.m.