Triple
T17175363
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Siemens-Duewag U2 |
E416844
|
entity |
| Predicate | usedInTransportSystem |
P941
|
FINISHED |
| Object | Stadtbahn Rhein-Mosel-Bahn |
—
|
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: Stadtbahn Rhein-Mosel-Bahn | Statement: [Siemens-Duewag U2, usedInTransportSystem, Stadtbahn Rhein-Mosel-Bahn]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Stadtbahn Rhein-Mosel-Bahn Context triple: [Siemens-Duewag U2, usedInTransportSystem, Stadtbahn Rhein-Mosel-Bahn]
-
A.
Stadtbahn Rhein-Mosel
Stadtbahn Rhein-Mosel is a regional light rail system serving the Rhine and Moselle area in Germany, providing urban and suburban transit connections.
-
B.
Stadtbahn Rhein-Ahr
Stadtbahn Rhein-Ahr is a regional light rail system in Germany that operates modern tram and Stadtbahn services connecting communities along the Rhine and Ahr rivers.
-
C.
Stadtbahn Rhein-Lahn
Stadtbahn Rhein-Lahn is a regional light rail transit system in Germany that operates Siemens-Duewag U2 trains to connect communities along the Rhine and Lahn rivers.
-
D.
Stadtbahn Rhein-Sieg
Stadtbahn Rhein-Sieg is a light rail and tram network serving the Cologne/Bonn metropolitan region in Germany as part of the local public transport system.
-
E.
Stadtbahn Rhein-Haardt
Stadtbahn Rhein-Haardt is a regional light rail/tramway system in southwestern Germany that connects cities in the Rhine-Neckar area.
- 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: Stadtbahn Rhein-Mosel-Bahn Target entity description: The Stadtbahn Rhein-Mosel-Bahn is a regional light rail system serving the Rhine-Moselle area in Germany.
-
A.
Stadtbahn Rhein-Mosel
chosen
Stadtbahn Rhein-Mosel is a regional light rail system serving the Rhine and Moselle area in Germany, providing urban and suburban transit connections.
-
B.
Stadtbahn Rhein-Ahr
Stadtbahn Rhein-Ahr is a regional light rail system in Germany that operates modern tram and Stadtbahn services connecting communities along the Rhine and Ahr rivers.
-
C.
Stadtbahn Rhein-Lahn
Stadtbahn Rhein-Lahn is a regional light rail transit system in Germany that operates Siemens-Duewag U2 trains to connect communities along the Rhine and Lahn rivers.
-
D.
Stadtbahn Rhein-Sieg
Stadtbahn Rhein-Sieg is a light rail and tram network serving the Cologne/Bonn metropolitan region in Germany as part of the local public transport system.
-
E.
Stadtbahn Rhein-Haardt
Stadtbahn Rhein-Haardt is a regional light rail/tramway system in southwestern Germany that connects cities in the Rhine-Neckar area.
- 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_69d886d5f34c8190b24564dfaa63f3fb |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3fc0cec448190b30466628a2ff23f |
completed | April 18, 2026, 9:47 p.m. |
Created at: April 10, 2026, 5:37 a.m.