Triple

T5522427
Position Surface form Disambiguated ID Type / Status
Subject Berlin U-Bahn E144841 entity
Predicate hasDepot P2413 FINISHED
Object Friedrichsfelde depot
Friedrichsfelde depot is a maintenance and storage facility serving Berlin's U-Bahn rapid transit system.
 E530784 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: Friedrichsfelde depot | Statement: [Berlin U-Bahn, hasDepot, Friedrichsfelde depot]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Friedrichsfelde depot
Context triple: [Berlin U-Bahn, hasDepot, Friedrichsfelde depot]
  • A. Berlin-Heiligensee station
    Berlin-Heiligensee station is a local railway station in Berlin’s Heiligensee district, serving as a stop on the city’s S-Bahn suburban rail network.
  • B. Berlin-Schöneberg station
    Berlin-Schöneberg station is a railway station in Berlin’s Schöneberg district, serving as a local transport hub for S-Bahn and regional rail services.
  • C. Berlin-Wannsee station
    Berlin-Wannsee station is a major railway and S-Bahn hub in southwestern Berlin, serving as an important interchange for regional, suburban, and long-distance trains near the Wannsee lake.
  • D. Berlin Waidmannslust station
    Berlin Waidmannslust station is a suburban railway station in Berlin’s Waidmannslust district, serving as a stop on the city’s S-Bahn network.
  • E. Berlin-Spandau station
    Berlin-Spandau station is a major railway and transport hub in western Berlin, serving long-distance, regional, and S-Bahn trains as well as local bus and U-Bahn connections.
  • 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: Friedrichsfelde depot
Triple: [Berlin U-Bahn, hasDepot, Friedrichsfelde depot]
Generated description
Friedrichsfelde depot is a maintenance and storage facility serving Berlin's U-Bahn rapid transit system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Friedrichsfelde depot
Target entity description: Friedrichsfelde depot is a maintenance and storage facility serving Berlin's U-Bahn rapid transit system.
  • A. Berlin-Heiligensee station
    Berlin-Heiligensee station is a local railway station in Berlin’s Heiligensee district, serving as a stop on the city’s S-Bahn suburban rail network.
  • B. Berlin-Schöneberg station
    Berlin-Schöneberg station is a railway station in Berlin’s Schöneberg district, serving as a local transport hub for S-Bahn and regional rail services.
  • C. Berlin-Wannsee station
    Berlin-Wannsee station is a major railway and S-Bahn hub in southwestern Berlin, serving as an important interchange for regional, suburban, and long-distance trains near the Wannsee lake.
  • D. Berlin Waidmannslust station
    Berlin Waidmannslust station is a suburban railway station in Berlin’s Waidmannslust district, serving as a stop on the city’s S-Bahn network.
  • E. Berlin-Spandau station
    Berlin-Spandau station is a major railway and transport hub in western Berlin, serving long-distance, regional, and S-Bahn trains as well as local bus and U-Bahn connections.
  • 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_69c008f873a481909b4d9f7e2db3c37d completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c01f73cc8c8190a92a839c1ca804c7 completed March 22, 2026, 4:57 p.m.
NED1 Entity disambiguation (via context triple) batch_69c027f2e98c8190880752c9ae8aba4f completed March 22, 2026, 5:33 p.m.
NEDg Description generation batch_69c04375a6e48190be2ce054fe79f8fc completed March 22, 2026, 7:31 p.m.
NED2 Entity disambiguation (via description) batch_69c043f987a48190828e012763fa0576 completed March 22, 2026, 7:33 p.m.
Created at: March 22, 2026, 3:34 p.m.