Triple

T1190288
Position Surface form Disambiguated ID Type / Status
Subject East Berlin E25341 entity
Predicate hadCheckpoint P26189 FINISHED
Object Checkpoint Charlie (border crossing to West Berlin)
Checkpoint Charlie was the most famous crossing point between East and West Berlin during the Cold War, symbolizing the division between the Eastern Bloc and the Western world.
E136237 NE FINISHED

How this triple was built (5 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: Checkpoint Charlie (border crossing to West Berlin) | Statement: [East Berlin, hadCheckpoint, Checkpoint Charlie (border crossing to West Berlin)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Checkpoint Charlie (border crossing to West Berlin)
Context triple: [East Berlin, hadCheckpoint, Checkpoint Charlie (border crossing to West Berlin)]
  • A. Brandenburg Gate (Potsdam)
    The Brandenburg Gate in Potsdam is a historic triumphal arch built in the 18th century that serves as one of the city's most prominent architectural landmarks.
  • B. Potsdamer Platz
    Potsdamer Platz is a major public square and traffic intersection in central Berlin that became a symbol of the city's reunification and modern redevelopment after the Cold War.
  • C. Oranienburger Tor
    Oranienburger Tor is an underground station on Berlin’s U-Bahn network located near the historic Oranienburger Tor area in the central district of Mitte.
  • D. Brandenburg Gate
    The Brandenburg Gate is an iconic 18th-century monument in Berlin and one of Germany’s most recognizable symbols of history and national unity.
  • E. Glienicke Bridge, Berlin
    Glienicke Bridge in Berlin is a historic span over the Havel River that became famous during the Cold War as a key site for high-profile prisoner exchanges between East and West.
  • 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: Checkpoint Charlie (border crossing to West Berlin)
Triple: [East Berlin, hadCheckpoint, Checkpoint Charlie (border crossing to West Berlin)]
Generated description
Checkpoint Charlie was the most famous crossing point between East and West Berlin during the Cold War, symbolizing the division between the Eastern Bloc and the Western world.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Checkpoint Charlie (border crossing to West Berlin)
Target entity description: Checkpoint Charlie was the most famous crossing point between East and West Berlin during the Cold War, symbolizing the division between the Eastern Bloc and the Western world.
  • A. Brandenburg Gate (Potsdam)
    The Brandenburg Gate in Potsdam is a historic triumphal arch built in the 18th century that serves as one of the city's most prominent architectural landmarks.
  • B. Potsdamer Platz
    Potsdamer Platz is a major public square and traffic intersection in central Berlin that became a symbol of the city's reunification and modern redevelopment after the Cold War.
  • C. Oranienburger Tor
    Oranienburger Tor is an underground station on Berlin’s U-Bahn network located near the historic Oranienburger Tor area in the central district of Mitte.
  • D. Brandenburg Gate
    The Brandenburg Gate is an iconic 18th-century monument in Berlin and one of Germany’s most recognizable symbols of history and national unity.
  • E. Glienicke Bridge, Berlin
    Glienicke Bridge in Berlin is a historic span over the Havel River that became famous during the Cold War as a key site for high-profile prisoner exchanges between East and West.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hadCheckpoint
Context triple: [East Berlin, hadCheckpoint, Checkpoint Charlie (border crossing to West Berlin)]
  • A. hasCheckpointType
    Indicates that a checkpoint is associated with a specific type or category defining its role or characteristics.
  • B. hasMarker
    Indicates that one entity possesses, is associated with, or is identified by a specific marker.
  • C. checkedBy
    Indicates that an entity has been examined, verified, or reviewed by another entity.
  • D. hasStep
    Indicates that one entity includes, is composed of, or is associated with a specific step or stage in a process involving another entity.
  • E. hadEvent
    Indicates that an entity experienced, hosted, or was associated with a specific event at some point in time.
  • F. None of above. chosen

Provenance (7 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_69a49427d98881908646d6c63b8cea1e completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4bd58d8d88190b8d9c9c9de7f4e97 completed March 1, 2026, 10:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac764ccb1c8190a302137a0e67cb88 completed March 7, 2026, 7:02 p.m.
NEDg Description generation batch_69ac76e1b430819092669c6e83d7a62c completed March 7, 2026, 7:05 p.m.
NED2 Entity disambiguation (via description) batch_69ac77670fa08190827ef34ba9d52a70 completed March 7, 2026, 7:07 p.m.
PD Predicate disambiguation batch_69a4bb5bacc481909e8dfd5215e4711a completed March 1, 2026, 10:19 p.m.
PDg Predicate description generation batch_69a4bd0ab5f88190bb583fc63b4cc150 completed March 1, 2026, 10:26 p.m.
Created at: March 1, 2026, 7:45 p.m.