Triple

T12166577
Position Surface form Disambiguated ID Type / Status
Subject De Brouckère E289846 entity
Predicate servedByLine P1293 FINISHED
Object Brussels Metro line 5
Brussels Metro line 5 is a major east–west rapid transit line in Brussels, Belgium, connecting key central and suburban stations 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: Brussels Metro line 5 | Statement: [De Brouckère, servedByLine, Brussels Metro line 5]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brussels Metro line 5
Context triple: [De Brouckère, servedByLine, Brussels Metro line 5]
  • 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. 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.
  • C. Antwerp tram network
    The Antwerp tram network is an extensive urban light rail system serving the city of Antwerp and its suburbs, forming a key part of the region’s public transportation infrastructure.
  • D. Belgian railway line 50A
    Belgian railway line 50A is a major electrified railway corridor in Belgium that forms part of the busy route between Brussels and the coastal city of Ostend, carrying intensive intercity and commuter traffic.
  • E. 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.
  • 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: Brussels Metro line 5
Triple: [De Brouckère, servedByLine, Brussels Metro line 5]
Generated description
Brussels Metro line 5 is a major east–west rapid transit line in Brussels, Belgium, connecting key central and suburban stations across the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Brussels Metro line 5
Target entity description: Brussels Metro line 5 is a major east–west rapid transit line in Brussels, Belgium, connecting key central and suburban stations 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. 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.
  • C. Antwerp tram network
    The Antwerp tram network is an extensive urban light rail system serving the city of Antwerp and its suburbs, forming a key part of the region’s public transportation infrastructure.
  • D. Belgian railway line 50A
    Belgian railway line 50A is a major electrified railway corridor in Belgium that forms part of the busy route between Brussels and the coastal city of Ostend, carrying intensive intercity and commuter traffic.
  • E. 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.
  • 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_69d6ab4d6c00819095a9a7c35de83cfb completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d915d7109481908bf5fe512bba3c89 completed April 10, 2026, 3:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69f64b85782481908cca14d8e8345411 completed May 2, 2026, 7:07 p.m.
NEDg Description generation batch_69f64c535c9881908e5bf07d13fa73c5 completed May 2, 2026, 7:11 p.m.
NED2 Entity disambiguation (via description) batch_69f6508afef08190ac7a19b1ee90141e completed May 2, 2026, 7:29 p.m.
Created at: April 8, 2026, 9:50 p.m.