Triple

T20023115

Position	Surface form	Disambiguated ID	Type / Status
Subject	D-Zug	`E494910`	entity
Predicate	operatedBy	`P86`	FINISHED
Object	Deutsche Bundesbahn	`—`	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: Deutsche Bundesbahn | Statement: [D-Zug, operatedBy, Deutsche Bundesbahn]

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

Target entity: Deutsche Bundesbahn
Context triple: [D-Zug, operatedBy, Deutsche Bundesbahn]

A. Deutsche Reichsbahn
Deutsche Reichsbahn was the state-owned railway company of Germany for much of the 20th century, operating the national rail network before its functions were absorbed into the modern Deutsche Bahn.
B. Deutsche Bahn
Deutsche Bahn is Germany's state-owned national railway company and one of the largest rail and logistics operators in Europe.
C. Südostbahn
Südostbahn is a Swiss railway company that operates regional and suburban train services, including lines within the Zürich S-Bahn network.
D. Dresden Railway
The Dresden Railway is a major German rail line connecting Berlin with Dresden, serving as an important north–south passenger and freight corridor.
E. Royal Bavarian State Railways
The Royal Bavarian State Railways was the government-owned railway company of the Kingdom of Bavaria, operating an extensive network that later became part of the German state rail system.
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: Deutsche Bundesbahn
Target entity description: Deutsche Bundesbahn was the state-owned railway company of West Germany, responsible for operating the country’s national rail services from 1949 until its reorganization into Deutsche Bahn in the 1990s.

A. Deutsche Reichsbahn
Deutsche Reichsbahn was the state-owned railway company of Germany for much of the 20th century, operating the national rail network before its functions were absorbed into the modern Deutsche Bahn.
B. Deutsche Bahn
Deutsche Bahn is Germany's state-owned national railway company and one of the largest rail and logistics operators in Europe.
C. Südostbahn
Südostbahn is a Swiss railway company that operates regional and suburban train services, including lines within the Zürich S-Bahn network.
D. Dresden Railway
The Dresden Railway is a major German rail line connecting Berlin with Dresden, serving as an important north–south passenger and freight corridor.
E. Royal Bavarian State Railways
The Royal Bavarian State Railways was the government-owned railway company of the Kingdom of Bavaria, operating an extensive network that later became part of the German state rail system.
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_69da626bfd288190aa5d65098b6433ae`	completed	April 11, 2026, 3:02 p.m.
NER	Named-entity recognition	`batch_69e6628a1ecc8190bf6ee0bedb61e0b8`	completed	April 20, 2026, 5:29 p.m.

Created at: April 11, 2026, 3:35 p.m.