Triple
T15518571
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Weimar-Buchenwald railway station |
E368894
|
entity |
| Predicate | currentRailwayOperator |
P5620
|
FINISHED |
| Object | Deutsche Bahn |
E22662
|
NE FINISHED |
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 Bahn | Statement: [Weimar-Buchenwald railway station, currentRailwayOperator, Deutsche Bahn]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Deutsche Bahn Context triple: [Weimar-Buchenwald railway station, currentRailwayOperator, Deutsche Bahn]
-
A.
Deutsche Bahn
chosen
Deutsche Bahn is Germany's state-owned national railway company and one of the largest rail and logistics operators in Europe.
-
B.
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.
-
C.
Südostbahn
Südostbahn is a Swiss railway company that operates regional and suburban train services, including lines within the Zürich S-Bahn network.
-
D.
ÖBB
ÖBB is Austria’s national railway company, operating most of the country’s passenger and freight train services across domestic and international routes.
-
E.
Abellio Rail Mitteldeutschland
Abellio Rail Mitteldeutschland is a German regional railway operator providing passenger train services in the central Germany area.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: currentRailwayOperator Context triple: [Weimar-Buchenwald railway station, currentRailwayOperator, Deutsche Bahn]
-
A.
formerRailOperator
Indicates that an entity previously operated a rail service or railway system but no longer does so.
-
B.
railwayCompany
chosen
Indicates that one entity is a railway company that owns, operates, or manages railway services or infrastructure in relation to another entity.
-
C.
railwayCompanyOnRoute
Indicates that a particular railway company operates or provides service on a specified route.
-
D.
laterRailwayCompany
Indicates that one railway company is the successor or later incarnation of another railway company.
-
E.
railwayOwner
Indicates that one entity owns, controls, or holds proprietary rights over a railway or railway system used by another entity.
- F. None of above.
Provenance (4 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_69d85a1794cc8190b0b428716296e63e |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e040343d9c8190a7d1f197c108bd9d |
completed | April 16, 2026, 1:49 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff4552a8dc819082cb6c31a2c05606 |
completed | May 9, 2026, 2:31 p.m. |
| PD | Predicate disambiguation | batch_69ded2896a9c8190a8b9627deb3c17b4 |
completed | April 14, 2026, 11:49 p.m. |
Created at: April 10, 2026, 4:03 a.m.