Triple
T22300134
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Stadler Variobahn |
E551231
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Bochum-Gelsenkirchen tram system |
—
|
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: Bochum-Gelsenkirchen tram system | Statement: [Stadler Variobahn, operator, Bochum-Gelsenkirchen tram system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bochum-Gelsenkirchen tram system Context triple: [Stadler Variobahn, operator, Bochum-Gelsenkirchen tram system]
-
A.
Krefeld tram network
The Krefeld tram network is a local urban tramway system serving the city of Krefeld in North Rhine-Westphalia, Germany, and connecting its districts and surrounding areas.
-
B.
Dortmund Stadtbahn
The Dortmund Stadtbahn is a light rail and rapid transit network serving the city of Dortmund and its surrounding areas in Germany.
-
C.
Cologne Stadtbahn
The Cologne Stadtbahn is a light rail and rapid transit network serving Cologne and its surrounding region, integrating underground and surface lines for urban and suburban transportation.
-
D.
Wuppertal rail network
The Wuppertal rail network is the integrated system of railway lines and stations serving the city of Wuppertal in western Germany, connecting it to regional and long-distance routes.
-
E.
Stadtbahn Bochum
Stadtbahn Bochum is a light rail transit network serving the cities of Bochum and Herne in Germany as part of the Rhine-Ruhr urban 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: Bochum-Gelsenkirchen tram system Target entity description: The Bochum-Gelsenkirchen tram system is a regional light rail and tram network serving the cities of Bochum and Gelsenkirchen in Germany’s Ruhr area.
-
A.
Krefeld tram network
The Krefeld tram network is a local urban tramway system serving the city of Krefeld in North Rhine-Westphalia, Germany, and connecting its districts and surrounding areas.
-
B.
Dortmund Stadtbahn
The Dortmund Stadtbahn is a light rail and rapid transit network serving the city of Dortmund and its surrounding areas in Germany.
-
C.
Cologne Stadtbahn
The Cologne Stadtbahn is a light rail and rapid transit network serving Cologne and its surrounding region, integrating underground and surface lines for urban and suburban transportation.
-
D.
Wuppertal rail network
The Wuppertal rail network is the integrated system of railway lines and stations serving the city of Wuppertal in western Germany, connecting it to regional and long-distance routes.
-
E.
Stadtbahn Bochum
Stadtbahn Bochum is a light rail transit network serving the cities of Bochum and Herne in Germany as part of the Rhine-Ruhr urban 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_69e11e46c0188190800181a4233f28fe |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f1572399148190853c4e91fcf9f38c |
completed | April 29, 2026, 12:56 a.m. |
Created at: April 16, 2026, 8:41 p.m.