Triple

T5970603
Position Surface form Disambiguated ID Type / Status
Subject Basel tram network E132861 entity
Predicate operator P179 FINISHED
Object Basler Verkehrs-Betriebe
Basler Verkehrs-Betriebe is the main public transport company of Basel, Switzerland, operating the city’s tram and bus services.
 E559877 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: Basler Verkehrs-Betriebe | Statement: [Basel tram network, operator, Basler Verkehrs-Betriebe]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Basler Verkehrs-Betriebe
Context triple: [Basel tram network, operator, Basler Verkehrs-Betriebe]
  • 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. 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.
  • C. Verkehrsbetriebe Zürich
    Verkehrsbetriebe Zürich is the municipal public transport operator in Zurich, Switzerland, running the city’s tram, bus, and other urban transit services.
  • D. Berliner Verkehrsbetriebe
    Berliner Verkehrsbetriebe is Berlin’s main public transport company, operating the city’s extensive network of U-Bahn trains, trams, and buses.
  • 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.
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: Basler Verkehrs-Betriebe
Triple: [Basel tram network, operator, Basler Verkehrs-Betriebe]
Generated description
Basler Verkehrs-Betriebe is the main public transport company of Basel, Switzerland, operating the city’s tram and bus services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Basler Verkehrs-Betriebe
Target entity description: Basler Verkehrs-Betriebe is the main public transport company of Basel, Switzerland, operating the city’s tram and bus 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. 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.
  • C. Verkehrsbetriebe Zürich
    Verkehrsbetriebe Zürich is the municipal public transport operator in Zurich, Switzerland, running the city’s tram, bus, and other urban transit services.
  • D. Berliner Verkehrsbetriebe
    Berliner Verkehrsbetriebe is Berlin’s main public transport company, operating the city’s extensive network of U-Bahn trains, trams, and buses.
  • 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 (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_69c0086deab081908550159ca23eec9b completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c03a4263e8819084e98e6c016c9532 completed March 22, 2026, 6:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0e40a67bc8190a57884f7c6aa1b9d completed March 23, 2026, 6:56 a.m.
NEDg Description generation batch_69c0f88f4e048190810351c4aebf363c completed March 23, 2026, 8:23 a.m.
NED2 Entity disambiguation (via description) batch_69c0f982c95c819081b2cf2c429c21bc completed March 23, 2026, 8:27 a.m.
Created at: March 22, 2026, 4:03 p.m.