Triple

T1190278
Position Surface form Disambiguated ID Type / Status
Subject East Berlin E25341 entity
Predicate hadCentralSquare P15345 FINISHED
Object Alexanderplatz
Alexanderplatz is a major public square and transport hub in central Berlin, known for its historic role in the city’s social and political life and its surrounding modernist architecture.
E136235 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: Alexanderplatz | Statement: [East Berlin, hadCentralSquare, Alexanderplatz]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Alexanderplatz
Context triple: [East Berlin, hadCentralSquare, Alexanderplatz]
  • A. Pariser Platz
    Pariser Platz is a prominent public square in central Berlin, Germany, known as the grand urban space directly in front of the Brandenburg Gate and a focal point of the city's historic and political life.
  • B. Ballhausplatz
    Ballhausplatz is a historic square in central Vienna that serves as the location of the Austrian Federal Chancellery and a key center of the country’s political administration.
  • C. 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.
  • D. Bayerischer Platz
    Bayerischer Platz is a notable square and U-Bahn station area in Berlin’s Schöneberg district, known for its early 20th-century architecture and historical significance, including memorials to Jewish residents deported during the Nazi era.
  • E. Leopoldplatz
    Leopoldplatz is a major public square and important transport hub in Berlin’s Wedding district, served by multiple U-Bahn lines and numerous bus routes.
  • 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: Alexanderplatz
Triple: [East Berlin, hadCentralSquare, Alexanderplatz]
Generated description
Alexanderplatz is a major public square and transport hub in central Berlin, known for its historic role in the city’s social and political life and its surrounding modernist architecture.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Alexanderplatz
Target entity description: Alexanderplatz is a major public square and transport hub in central Berlin, known for its historic role in the city’s social and political life and its surrounding modernist architecture.
  • A. Pariser Platz
    Pariser Platz is a prominent public square in central Berlin, Germany, known as the grand urban space directly in front of the Brandenburg Gate and a focal point of the city's historic and political life.
  • B. Ballhausplatz
    Ballhausplatz is a historic square in central Vienna that serves as the location of the Austrian Federal Chancellery and a key center of the country’s political administration.
  • C. 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.
  • D. Bayerischer Platz
    Bayerischer Platz is a notable square and U-Bahn station area in Berlin’s Schöneberg district, known for its early 20th-century architecture and historical significance, including memorials to Jewish residents deported during the Nazi era.
  • E. Leopoldplatz
    Leopoldplatz is a major public square and important transport hub in Berlin’s Wedding district, served by multiple U-Bahn lines and numerous bus routes.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hadCentralSquare
Context triple: [East Berlin, hadCentralSquare, Alexanderplatz]
  • A. hasRebuiltHistoricCenter
    Indicates that an entity has undertaken and completed the restoration or reconstruction of a historic city or town center.
  • B. mainSquare chosen
    Indicates that a location serves as the primary or central public square of a town or city.
  • C. hasCentralAct
    Indicates that an entity includes or is characterized by a primary or most important action, event, or operation at its core.
  • D. hasCentralFigure
    Indicates that something features a primary or most important figure at its core or focus.
  • E. hasCityHall
    Indicates that a location or administrative area possesses or is served by a specific city hall building or institution.
  • 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_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.
Created at: March 1, 2026, 7:45 p.m.