Triple

T8225953
Position Surface form Disambiguated ID Type / Status
Subject 2016 Brussels bombings E192172 entity
Predicate location P40 FINISHED
Object Maelbeek metro station E187509 NE FINISHED

How this triple was built (2 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: Maelbeek metro station | Statement: [2016 Brussels bombings, location, Maelbeek metro station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Maelbeek metro station
Context triple: [2016 Brussels bombings, location, Maelbeek metro station]
  • A. Maelbeek metro station chosen
    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. Mérode metro station
    Mérode metro station is a Brussels Metro and railway interchange station serving the eastern part of the city near key European institutions and Parc du Cinquantenaire.
  • C. 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.
  • D. 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.
  • E. Gaasperplas metro station
    Gaasperplas metro station is a terminus station on Amsterdam Metro line 53 serving the Gaasperplas neighborhood in the city’s southeastern borough.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca82c9a8ac81908b011c38698456e4 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb77fc10f48190b7e241c89885a478 completed March 31, 2026, 7:30 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd34ca59ec8190b611681ec9dfd97f completed April 1, 2026, 3:07 p.m.
Created at: March 30, 2026, 5:45 p.m.