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.