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.