Triple

T8044272
Position Surface form Disambiguated ID Type / Status
Subject Maelbeek metro station E187509 entity
Predicate servedByLine P1293 FINISHED
Object Line 5 of the Brussels Metro
Line 5 of the Brussels Metro is a major east–west rapid transit line in Brussels, Belgium, connecting key residential and commercial districts across the city.
E55760 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: Line 5 of the Brussels Metro | Statement: [Maelbeek metro station, servedByLine, Line 5 of the Brussels Metro]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Line 5 of the Brussels Metro
Context triple: [Maelbeek metro station, servedByLine, Line 5 of the Brussels Metro]
  • A. Brussels Metro
    The Brussels Metro is the rapid transit system serving Belgium’s capital, forming the core of its urban public transportation network with multiple underground and light rail lines.
  • B. Charleroi Metro
    Charleroi Metro is a light rail and pre-metro transit system serving the Belgian city of Charleroi and its suburbs.
  • C. Brussels tram system
    The Brussels tram system is an extensive urban light rail network that complements the city’s metro and bus services, providing key public transportation across the Brussels-Capital Region.
  • D. Brussels suburban rail network
    The Brussels suburban rail network is a regional commuter rail system serving Brussels and its surrounding areas, connecting the city with nearby towns and suburbs through frequent train services.
  • E. Paris Métro Line 5
    Paris Métro Line 5 is a major north–south subway line in Paris that runs from Bobigny–Pablo Picasso to Place d’Italie, serving key stations such as Gare du Nord along the way.
  • 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: Line 5 of the Brussels Metro
Triple: [Maelbeek metro station, servedByLine, Line 5 of the Brussels Metro]
Generated description
Line 5 of the Brussels Metro is a major east–west rapid transit line in Brussels, Belgium, connecting key residential and commercial districts across the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Line 5 of the Brussels Metro
Target entity description: Line 5 of the Brussels Metro is a major east–west rapid transit line in Brussels, Belgium, connecting key residential and commercial districts across the city.
  • A. Brussels Metro chosen
    The Brussels Metro is the rapid transit system serving Belgium’s capital, forming the core of its urban public transportation network with multiple underground and light rail lines.
  • B. Charleroi Metro
    Charleroi Metro is a light rail and pre-metro transit system serving the Belgian city of Charleroi and its suburbs.
  • C. Brussels tram system
    The Brussels tram system is an extensive urban light rail network that complements the city’s metro and bus services, providing key public transportation across the Brussels-Capital Region.
  • D. Brussels suburban rail network
    The Brussels suburban rail network is a regional commuter rail system serving Brussels and its surrounding areas, connecting the city with nearby towns and suburbs through frequent train services.
  • E. Paris Métro Line 5
    Paris Métro Line 5 is a major north–south subway line in Paris that runs from Bobigny–Pablo Picasso to Place d’Italie, serving key stations such as Gare du Nord along the way.
  • F. None of above.

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_69ca82b00cb48190b59a300f70e97bd7 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb3f4b5e0c819092949af0f995b850 completed March 31, 2026, 3:28 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc570cfad08190a8ed35ef2a47f497 completed March 31, 2026, 11:21 p.m.
NEDg Description generation batch_69cc58acba3c8190b7d09aa23b5f10f8 completed March 31, 2026, 11:28 p.m.
NED2 Entity disambiguation (via description) batch_69cc5cc9161c8190aae90f453f6d98c0 completed March 31, 2026, 11:46 p.m.
Created at: March 30, 2026, 5:23 p.m.