Triple

T20771956
Position Surface form Disambiguated ID Type / Status
Subject S-Bahn Hamburg GmbH E511257 entity
Predicate operatesRailwayLine P15252 FINISHED
Object S21 line (Hamburg S-Bahn) — NE NERFINISHED

How this triple was built (2 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: S21 line (Hamburg S-Bahn) | Statement: [S-Bahn Hamburg GmbH, operatesRailwayLine, S21 line (Hamburg S-Bahn)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: S21 line (Hamburg S-Bahn)
Context triple: [S-Bahn Hamburg GmbH, operatesRailwayLine, S21 line (Hamburg S-Bahn)]
  • A. Hamburg S-Bahn line S21 chosen
    Hamburg S-Bahn line S21 is a suburban rail service in Hamburg, Germany, connecting central Hamburg with outlying districts and neighboring areas as part of the city's rapid transit network.
  • B. Hamburg S-Bahn line S1
    Hamburg S-Bahn line S1 is a rapid transit railway line in Hamburg’s suburban rail network that provides direct service between the city center and Hamburg Airport, among other destinations.
  • C. Hamburg S-Bahn line S11
    Hamburg S-Bahn line S11 is a suburban railway service in Hamburg, Germany, operating on the city’s rapid transit network and connecting central Hamburg with western districts such as Othmarschen.
  • D. Hamburg S-Bahn line S2
    Hamburg S-Bahn line S2 is a suburban railway line in Hamburg, Germany, operating as part of the city’s rapid transit S-Bahn network.
  • E. Hamburg S-Bahn
    The Hamburg S-Bahn is a rapid transit and commuter rail network serving the city of Hamburg and its surrounding metropolitan region in northern Germany.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69e0b4ca01148190ac018e57e0cab46f completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c2681ff88190bfe5938c2db6b2c4 completed April 21, 2026, 12:18 a.m.
Created at: April 16, 2026, 12:37 p.m.