Triple
T18274843
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Heidelberg Mountain Railway |
E437707
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Heidelberger Straßen- und Bergbahn AG |
—
|
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: Heidelberger Straßen- und Bergbahn AG | Statement: [Heidelberg Mountain Railway, operator, Heidelberger Straßen- und Bergbahn AG]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heidelberger Straßen- und Bergbahn AG Context triple: [Heidelberg Mountain Railway, operator, Heidelberger Straßen- und Bergbahn AG]
-
A.
Stuttgarter Straßenbahnen AG
Stuttgarter Straßenbahnen AG is the main public transport company in Stuttgart, Germany, responsible for operating much of the city’s urban rail and bus network.
-
B.
Basler Verkehrs-Betriebe
Basler Verkehrs-Betriebe is the main public transport company of Basel, Switzerland, operating the city’s tram and bus services.
-
C.
Uetlibergbahn-Gesellschaft
Uetlibergbahn-Gesellschaft was the original private railway company that built and operated the Uetliberg mountain railway line near Zurich, Switzerland.
-
D.
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.
-
E.
Verkehrs-Aktiengesellschaft Nürnberg
Verkehrs-Aktiengesellschaft Nürnberg is the municipal public transport company responsible for operating Nuremberg’s urban transit network, including its underground 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: Heidelberger Straßen- und Bergbahn AG Target entity description: Heidelberger Straßen- und Bergbahn AG is a public transport company in Heidelberg, Germany, responsible for operating the city’s tram, bus, and funicular railway services.
-
A.
Stuttgarter Straßenbahnen AG
Stuttgarter Straßenbahnen AG is the main public transport company in Stuttgart, Germany, responsible for operating much of the city’s urban rail and bus network.
-
B.
Basler Verkehrs-Betriebe
Basler Verkehrs-Betriebe is the main public transport company of Basel, Switzerland, operating the city’s tram and bus services.
-
C.
Uetlibergbahn-Gesellschaft
Uetlibergbahn-Gesellschaft was the original private railway company that built and operated the Uetliberg mountain railway line near Zurich, Switzerland.
-
D.
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.
-
E.
Verkehrs-Aktiengesellschaft Nürnberg
Verkehrs-Aktiengesellschaft Nürnberg is the municipal public transport company responsible for operating Nuremberg’s urban transit network, including its underground 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_69d8b914530c8190b4474d862a2b2a1b |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e50050d6688190b909a1c24e1dd3c9 |
completed | April 19, 2026, 4:18 p.m. |
Created at: April 10, 2026, 10:34 a.m.