Triple

T16443223
Position Surface form Disambiguated ID Type / Status
Subject S46 (Berlin S-Bahn line) E399358 entity
Predicate railwaySignalling P19148 FINISHED
Object Berlin S-Bahn signalling system
The Berlin S-Bahn signalling system is a dedicated urban rail control and safety infrastructure that manages train movements, headways, and route protection across the Berlin S-Bahn network.
E26713 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: Berlin S-Bahn signalling system | Statement: [S46 (Berlin S-Bahn line), railwaySignalling, Berlin S-Bahn signalling system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Berlin S-Bahn signalling system
Context triple: [S46 (Berlin S-Bahn line), railwaySignalling, Berlin S-Bahn signalling system]
  • A. Berlin Stadtbahn
    Berlin Stadtbahn is a major elevated east–west railway corridor in Berlin that carries S-Bahn and regional trains through the city’s central districts.
  • B. Berlin S-Bahn
    The Berlin S-Bahn is a rapid transit railway network serving Berlin and its surrounding areas, integrating suburban and urban rail services across the metropolitan region.
  • C. Berlin S-Bahn North-South mainline
    The Berlin S-Bahn North-South mainline is a major urban rail corridor running through central Berlin, connecting key northern and southern suburban lines via an underground route beneath the city center.
  • D. Berlin U-Bahn
    The Berlin U-Bahn is the German capital’s extensive underground rapid transit system, forming a core part of its public transportation network.
  • E. 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.
  • 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: Berlin S-Bahn signalling system
Triple: [S46 (Berlin S-Bahn line), railwaySignalling, Berlin S-Bahn signalling system]
Generated description
The Berlin S-Bahn signalling system is a dedicated urban rail control and safety infrastructure that manages train movements, headways, and route protection across the Berlin S-Bahn network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Berlin S-Bahn signalling system
Target entity description: The Berlin S-Bahn signalling system is a dedicated urban rail control and safety infrastructure that manages train movements, headways, and route protection across the Berlin S-Bahn network.
  • A. Berlin Stadtbahn
    Berlin Stadtbahn is a major elevated east–west railway corridor in Berlin that carries S-Bahn and regional trains through the city’s central districts.
  • B. Berlin S-Bahn chosen
    The Berlin S-Bahn is a rapid transit railway network serving Berlin and its surrounding areas, integrating suburban and urban rail services across the metropolitan region.
  • C. Berlin S-Bahn North-South mainline
    The Berlin S-Bahn North-South mainline is a major urban rail corridor running through central Berlin, connecting key northern and southern suburban lines via an underground route beneath the city center.
  • D. Berlin U-Bahn
    The Berlin U-Bahn is the German capital’s extensive underground rapid transit system, forming a core part of its public transportation network.
  • E. 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.
  • F. None of above.

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_69d87f2c6778819080fcfae53be8f12a completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e32cd8d2988190acb5722a15623319 completed April 18, 2026, 7:03 a.m.
NED1 Entity disambiguation (via context triple) batch_6a00458f8f3c8190ad5eff2ad2a32dea completed May 10, 2026, 8:45 a.m.
NEDg Description generation batch_6a00461390608190848c3b896042f1fd completed May 10, 2026, 8:47 a.m.
NED2 Entity disambiguation (via description) batch_6a0046a88e048190baa78506808171b8 completed May 10, 2026, 8:49 a.m.
Created at: April 10, 2026, 5:10 a.m.