Triple
T21180276
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Gera tram network |
E521929
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Geraer Verkehrsbetrieb |
—
|
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: Geraer Verkehrsbetrieb | Statement: [Gera tram network, operator, Geraer Verkehrsbetrieb]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Geraer Verkehrsbetrieb Context triple: [Gera tram network, operator, Geraer Verkehrsbetrieb]
-
A.
Basler Verkehrs-Betriebe
Basler Verkehrs-Betriebe is the main public transport company of Basel, Switzerland, operating the city’s tram and bus services.
-
B.
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.
-
C.
Berliner Verkehrsbetriebe
Berliner Verkehrsbetriebe is Berlin’s main public transport company, operating the city’s extensive network of U-Bahn trains, trams, and buses.
-
D.
Chemnitzer Verkehrs-AG
Chemnitzer Verkehrs-AG is the main public transport company in Chemnitz, Germany, operating the city’s tram and bus services.
-
E.
Münchner Verkehrsgesellschaft
Münchner Verkehrsgesellschaft is the municipal company responsible for operating Munich’s public transportation network, including its U-Bahn, trams, and buses.
- 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: Geraer Verkehrsbetrieb Target entity description: Geraer Verkehrsbetrieb is the public transport company responsible for operating urban transit services, including the tram system, in the city of Gera, Germany.
-
A.
Basler Verkehrs-Betriebe
Basler Verkehrs-Betriebe is the main public transport company of Basel, Switzerland, operating the city’s tram and bus services.
-
B.
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.
-
C.
Berliner Verkehrsbetriebe
Berliner Verkehrsbetriebe is Berlin’s main public transport company, operating the city’s extensive network of U-Bahn trains, trams, and buses.
-
D.
Chemnitzer Verkehrs-AG
Chemnitzer Verkehrs-AG is the main public transport company in Chemnitz, Germany, operating the city’s tram and bus services.
-
E.
Münchner Verkehrsgesellschaft
Münchner Verkehrsgesellschaft is the municipal company responsible for operating Munich’s public transportation network, including its U-Bahn, trams, and buses.
- 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_69e0b50ef1d48190b063aa342667df22 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7301c842c8190b969a8b3f194003a |
completed | April 21, 2026, 8:06 a.m. |
Created at: April 16, 2026, 3:01 p.m.