Triple

T11334030
Position Surface form Disambiguated ID Type / Status
Subject Pentagon of Brussels E268421 entity
Predicate contains P35 FINISHED
Object De Brouckère metro station
De Brouckère metro station is a major underground transit hub in central Brussels, serving multiple metro lines and providing access to the city’s historic and commercial core.
 E919839 NE FINISHED

How this triple was built (4 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: De Brouckère metro station | Statement: [Pentagon of Brussels, contains, De Brouckère metro station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: De Brouckère metro station
Context triple: [Pentagon of Brussels, contains, De Brouckère metro station]
  • A. Maelbeek metro station
    Maelbeek metro station is a Brussels Metro station in Belgium’s European Quarter, known for serving key EU institutions and for being one of the sites of the 2016 Brussels bombings.
  • B. Brussels Park metro station
    Brussels Park metro station is a Brussels Metro station in central Brussels that serves as a key access point to the nearby Brussels Park and surrounding civic and cultural landmarks.
  • C. Brussels Central metro station
    Brussels Central metro station is an underground rapid transit station in central Brussels that serves as a key link between the city’s metro network and the nearby Brussels-Central railway station.
  • D. Roodebeek metro station
    Roodebeek metro station is a Brussels Metro station serving the municipality of Woluwe-Saint-Lambert in the eastern part of Brussels, Belgium.
  • E. Etterbeek railway station
    Etterbeek railway station is a local train station in the Brussels-Capital Region of Belgium, serving the Etterbeek area with regional and commuter rail connections.
  • 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: De Brouckère metro station
Triple: [Pentagon of Brussels, contains, De Brouckère metro station]
Generated description
De Brouckère metro station is a major underground transit hub in central Brussels, serving multiple metro lines and providing access to the city’s historic and commercial core.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: De Brouckère metro station
Target entity description: De Brouckère metro station is a major underground transit hub in central Brussels, serving multiple metro lines and providing access to the city’s historic and commercial core.
  • A. Maelbeek metro station
    Maelbeek metro station is a Brussels Metro station in Belgium’s European Quarter, known for serving key EU institutions and for being one of the sites of the 2016 Brussels bombings.
  • B. Brussels Park metro station
    Brussels Park metro station is a Brussels Metro station in central Brussels that serves as a key access point to the nearby Brussels Park and surrounding civic and cultural landmarks.
  • C. Brussels Central metro station
    Brussels Central metro station is an underground rapid transit station in central Brussels that serves as a key link between the city’s metro network and the nearby Brussels-Central railway station.
  • D. Roodebeek metro station
    Roodebeek metro station is a Brussels Metro station serving the municipality of Woluwe-Saint-Lambert in the eastern part of Brussels, Belgium.
  • E. Etterbeek railway station
    Etterbeek railway station is a local train station in the Brussels-Capital Region of Belgium, serving the Etterbeek area with regional and commuter rail connections.
  • F. None of above. chosen

Provenance (5 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_69d6aacb1f0881908c84a349fd1be047 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e9fe5d5881908d786b212a554d8b completed April 9, 2026, 6:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69e5432abfd081909d1bbf6460643fb9 completed April 19, 2026, 9:03 p.m.
NEDg Description generation batch_69e5474879088190990468d960b26739 completed April 19, 2026, 9:21 p.m.
NED2 Entity disambiguation (via description) batch_69e54eccdd3881908536ee3f9f4ef516 completed April 19, 2026, 9:53 p.m.
Created at: April 8, 2026, 9:33 p.m.