Triple
T5193544
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Stuttgart S-Bahn |
E117213
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
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.
|
E501205
|
NE FINISHED |
How this triple was built (4 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: Stuttgarter Straßenbahnen AG | Statement: [Stuttgart S-Bahn, operator, Stuttgarter Straßenbahnen AG]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Stuttgarter Straßenbahnen AG Context triple: [Stuttgart S-Bahn, operator, Stuttgarter Straßenbahnen AG]
-
A.
Stadtwerke Verkehrsgesellschaft Frankfurt am Main
Stadtwerke Verkehrsgesellschaft Frankfurt am Main is the municipal public transport company responsible for operating much of the urban transit network in Frankfurt am Main, Germany.
-
B.
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.
-
C.
Stuttgart Stadtbahn
The Stuttgart Stadtbahn is a light rail and tram system serving the city of Stuttgart and its surrounding metropolitan area in Germany.
-
D.
Regionalverkehr Mittelland AG
Regionalverkehr Mittelland AG was a Swiss regional railway company that operated passenger services in the Mittelland area before being merged into BLS AG.
-
E.
Stuttgart S-Bahn
The Stuttgart S-Bahn is a rapid transit and commuter rail network serving Stuttgart and its surrounding region in the German state of Baden-Württemberg.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Stuttgarter Straßenbahnen AG Triple: [Stuttgart S-Bahn, operator, Stuttgarter Straßenbahnen AG]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Stuttgarter Straßenbahnen AG Target entity description: 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.
-
A.
Stadtwerke Verkehrsgesellschaft Frankfurt am Main
Stadtwerke Verkehrsgesellschaft Frankfurt am Main is the municipal public transport company responsible for operating much of the urban transit network in Frankfurt am Main, Germany.
-
B.
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.
-
C.
Stuttgart Stadtbahn
The Stuttgart Stadtbahn is a light rail and tram system serving the city of Stuttgart and its surrounding metropolitan area in Germany.
-
D.
Regionalverkehr Mittelland AG
Regionalverkehr Mittelland AG was a Swiss regional railway company that operated passenger services in the Mittelland area before being merged into BLS AG.
-
E.
Stuttgart S-Bahn
The Stuttgart S-Bahn is a rapid transit and commuter rail network serving Stuttgart and its surrounding region in the German state of Baden-Württemberg.
- F. None of above. chosen
Provenance (5 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_69bd4462ed04819084fcb01eb9d2fa74 |
completed | March 20, 2026, 12:58 p.m. |
| NER | Named-entity recognition | batch_69bd79f142488190bc6c57b8ff7ef894 |
completed | March 20, 2026, 4:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bee09743e08190a3a73fb410a6f124 |
completed | March 21, 2026, 6:16 p.m. |
| NEDg | Description generation | batch_69bee5a7cc748190b5df14b78aeac608 |
completed | March 21, 2026, 6:38 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bee64966f88190874edda00332e220 |
completed | March 21, 2026, 6:41 p.m. |
Created at: March 20, 2026, 1:46 p.m.