Triple

T235271
Position Surface form Disambiguated ID Type / Status
Subject U-2 incident of 1960 E4495 entity
Predicate exchangeLocation P5178 FINISHED
Object 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.
E31341 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: Glienicke Bridge, Berlin | Statement: [U-2 incident of 1960, exchangeLocation, Glienicke Bridge, Berlin]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Glienicke Bridge, Berlin
Context triple: [U-2 incident of 1960, exchangeLocation, Glienicke Bridge, Berlin]
  • A. 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.
  • B. Grand Bridge
    The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
  • C. Dike Bridge
    Dike Bridge is a small wooden bridge on Chappaquiddick Island in Massachusetts, best known as the site of the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
  • D. Crimean Bridge
    The Crimean Bridge is a massive road-and-rail bridge spanning the Kerch Strait, linking mainland Russia with the Crimean Peninsula and serving as a key strategic and political infrastructure project.
  • E. Marco Polo Bridge
    Marco Polo Bridge is a historic stone bridge near Beijing, China, renowned both for its distinctive carved stone lions and as the site of the 1937 clash that marked the start of full-scale war between China and Japan.
  • 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: Glienicke Bridge, Berlin
Triple: [U-2 incident of 1960, exchangeLocation, Glienicke Bridge, Berlin]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Glienicke Bridge, Berlin
Target entity description: 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.
  • A. 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.
  • B. Grand Bridge
    The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
  • C. Dike Bridge
    Dike Bridge is a small wooden bridge on Chappaquiddick Island in Massachusetts, best known as the site of the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
  • D. Crimean Bridge
    The Crimean Bridge is a massive road-and-rail bridge spanning the Kerch Strait, linking mainland Russia with the Crimean Peninsula and serving as a key strategic and political infrastructure project.
  • E. Marco Polo Bridge
    Marco Polo Bridge is a historic stone bridge near Beijing, China, renowned both for its distinctive carved stone lions and as the site of the 1937 clash that marked the start of full-scale war between China and Japan.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: exchangeLocation
Context triple: [U-2 incident of 1960, exchangeLocation, Glienicke Bridge, Berlin]
  • A. coordinateLocation
    Indicates that an entity is located at, or associated with, a specific geographic coordinate or set of coordinates.
  • B. relocatedTo
    Indicates that an entity has moved or been transferred from its previous location to a new specified location.
  • C. prisonerExchange chosen
    Indicates a relationship where one party transfers prisoners to another party in return for receiving other prisoners or concessions in exchange.
  • D. relocatedFrom
    Indicates that an entity has moved or been transferred away from a specified original location.
  • E. replacedVenue
    Indicates that one venue has taken the place of another as its successor location or site.
  • F. None of above.

Provenance (6 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_69a257363ffc81909757bde7ab3404da completed Feb. 28, 2026, 2:47 a.m.
NER Named-entity recognition batch_69a25cc9ab2c81909af278a07f86aa1e completed Feb. 28, 2026, 3:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69a3695d08588190892d271c03fdf1e6 completed Feb. 28, 2026, 10:17 p.m.
NEDg Description generation batch_69a369d2b56c8190a6381b2da3e42e18 completed Feb. 28, 2026, 10:18 p.m.
NED2 Entity disambiguation (via description) batch_69a36a9f31408190b8f0e8273ff3a298 completed Feb. 28, 2026, 10:22 p.m.
PD Predicate disambiguation batch_69a25b5dc640819092669575731c393f completed Feb. 28, 2026, 3:05 a.m.
Created at: Feb. 28, 2026, 2:53 a.m.