Triple

T20632240
Position Surface form Disambiguated ID Type / Status
Subject S8 (Munich S-Bahn) E506982 entity
Predicate usesInfrastructure P6820 FINISHED
Object Munich S-Bahn trunk line — NE NERFINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Munich S-Bahn trunk line | Statement: [S8 (Munich S-Bahn), usesInfrastructure, Munich S-Bahn trunk line]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Munich S-Bahn trunk line
Context triple: [S8 (Munich S-Bahn), usesInfrastructure, Munich S-Bahn trunk line]
  • A. Munich S-Bahn trunk line chosen
    The Munich S-Bahn trunk line is the central underground rail corridor that carries most S-Bahn routes through Munich’s city center, forming the backbone of the regional rapid transit network.
  • B. Munich S-Bahn
    The Munich S-Bahn is a rapid transit and commuter rail network serving Munich and its surrounding metropolitan region in Bavaria, Germany.
  • C. S-Bahn Ringbahn
    The S-Bahn Ringbahn is Berlin’s circular urban rail line that loops around the inner city, connecting numerous districts and major transport hubs.
  • D. Munich U-Bahn
    The Munich U-Bahn is the German city's rapid transit metro system, forming a core part of its public transportation network with multiple underground lines serving urban and suburban areas.
  • E. S1 (Munich S-Bahn)
    S1 (Munich S-Bahn) is a suburban railway line in the Munich S-Bahn network that connects central Munich with Munich Airport and surrounding areas.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e0b4bd4a0081908d4e97a590a33fb2 elicitation completed
NER batch_69e6ad0bdcd88190a59d68e03370b271 ner completed
Created at: April 16, 2026, 11:42 a.m.