Triple

T21513173
Position Surface form Disambiguated ID Type / Status
Subject U2 (Berlin U-Bahn) E530777 entity
Predicate terminus P388 FINISHED
Object Ruhleben station
Ruhleben station is a Berlin U-Bahn station in the Charlottenburg district, serving as the western endpoint of line U2.
 E1487845 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: Ruhleben station | Statement: [U2 (Berlin U-Bahn), terminus, Ruhleben station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ruhleben station
Context triple: [U2 (Berlin U-Bahn), terminus, Ruhleben station]
  • A. 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.
  • B. Jungfernheide station
    Jungfernheide station is a major public transport hub in Berlin’s Charlottenburg-Nord district, serving S-Bahn, U-Bahn, and regional rail lines.
  • C. Berlin-Lankwitz station
    Berlin-Lankwitz station is a local railway stop in Berlin’s Lankwitz district, serving as part of the city’s suburban rail network.
  • D. Bernau (Berlin) station
    Bernau (Berlin) station is a railway station in the town of Bernau near Berlin that functions as a key terminus and interchange point for regional and Berlin S-Bahn services.
  • E. Borsigwerke station
    Borsigwerke station is a Berlin U-Bahn rapid transit station serving the Tegel district in the German capital.
  • 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: Ruhleben station
Triple: [U2 (Berlin U-Bahn), terminus, Ruhleben station]
Generated description
Ruhleben station is a Berlin U-Bahn station in the Charlottenburg district, serving as the western endpoint of line U2.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ruhleben station
Target entity description: Ruhleben station is a Berlin U-Bahn station in the Charlottenburg district, serving as the western endpoint of line U2.
  • A. 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.
  • B. Jungfernheide station
    Jungfernheide station is a major public transport hub in Berlin’s Charlottenburg-Nord district, serving S-Bahn, U-Bahn, and regional rail lines.
  • C. Berlin-Lankwitz station
    Berlin-Lankwitz station is a local railway stop in Berlin’s Lankwitz district, serving as part of the city’s suburban rail network.
  • D. Bernau (Berlin) station
    Bernau (Berlin) station is a railway station in the town of Bernau near Berlin that functions as a key terminus and interchange point for regional and Berlin S-Bahn services.
  • E. Borsigwerke station
    Borsigwerke station is a Berlin U-Bahn rapid transit station serving the Tegel district in the German capital.
  • 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_69e0c45c81f08190a6b8bbb70a45aae7 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69e9ea88e6fc8190a4b73b8d32dae5a8 completed April 23, 2026, 9:46 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09e145ac5c8190a05cc2a80d28cac3 completed May 17, 2026, 3:39 p.m.
NEDg Description generation batch_6a09e1fc4f7881909e198768cdb43747 completed May 17, 2026, 3:42 p.m.
NED2 Entity disambiguation (via description) batch_6a09e2c86858819092216c12d8aa3348 completed May 17, 2026, 3:46 p.m.
Created at: April 16, 2026, 6:25 p.m.