Triple

T19630895
Position Surface form Disambiguated ID Type / Status
Subject Mortsel E471264 entity
Predicate railwayService P848 FINISHED
Object Antwerp–Boortmeerbeek–Leuven railway line
The Antwerp–Boortmeerbeek–Leuven railway line is a Belgian railway route connecting the city of Antwerp with Leuven via intermediate towns such as Boortmeerbeek.
 E1386245 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: Antwerp–Boortmeerbeek–Leuven railway line | Statement: [Mortsel, railwayService, Antwerp–Boortmeerbeek–Leuven railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Antwerp–Boortmeerbeek–Leuven railway line
Context triple: [Mortsel, railwayService, Antwerp–Boortmeerbeek–Leuven railway line]
  • A. Antwerp–Lier–Hasselt railway line
    The Antwerp–Lier–Hasselt railway line is a major Belgian rail route connecting the city of Antwerp with Lier and Hasselt in the Flemish region.
  • B. Ghent–Brussels railway line
    The Ghent–Brussels railway line is a major Belgian rail route connecting the cities of Ghent and Brussels and serving several intermediate towns including Wetteren.
  • C. Ghent–Bruges railway line
    The Ghent–Bruges railway line is a major Belgian rail route connecting the historic cities of Ghent and Bruges and serving several intermediate towns in Flanders.
  • D. Kortrijk–Bruges railway line
    The Kortrijk–Bruges railway line is a key rail route in West Flanders, Belgium, connecting the inland city of Kortrijk with the coastal hub of Bruges and serving several intermediate towns.
  • E. Brussels–Tournai railway line
    The Brussels–Tournai railway line is a major Belgian rail route connecting the capital region with the city of Tournai and serving as part of an important corridor toward western Belgium and France.
  • 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: Antwerp–Boortmeerbeek–Leuven railway line
Triple: [Mortsel, railwayService, Antwerp–Boortmeerbeek–Leuven railway line]
Generated description
The Antwerp–Boortmeerbeek–Leuven railway line is a Belgian railway route connecting the city of Antwerp with Leuven via intermediate towns such as Boortmeerbeek.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Antwerp–Boortmeerbeek–Leuven railway line
Target entity description: The Antwerp–Boortmeerbeek–Leuven railway line is a Belgian railway route connecting the city of Antwerp with Leuven via intermediate towns such as Boortmeerbeek.
  • A. Antwerp–Lier–Hasselt railway line
    The Antwerp–Lier–Hasselt railway line is a major Belgian rail route connecting the city of Antwerp with Lier and Hasselt in the Flemish region.
  • B. Ghent–Brussels railway line
    The Ghent–Brussels railway line is a major Belgian rail route connecting the cities of Ghent and Brussels and serving several intermediate towns including Wetteren.
  • C. Ghent–Bruges railway line
    The Ghent–Bruges railway line is a major Belgian rail route connecting the historic cities of Ghent and Bruges and serving several intermediate towns in Flanders.
  • D. Kortrijk–Bruges railway line
    The Kortrijk–Bruges railway line is a key rail route in West Flanders, Belgium, connecting the inland city of Kortrijk with the coastal hub of Bruges and serving several intermediate towns.
  • E. Brussels–Tournai railway line
    The Brussels–Tournai railway line is a major Belgian rail route connecting the capital region with the city of Tournai and serving as part of an important corridor toward western Belgium and France.
  • 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_69d8e511f28481909f4bc3ea9191e54a completed April 10, 2026, 11:54 a.m.
NER Named-entity recognition batch_69e641025d708190aa44bb24671b9455 completed April 20, 2026, 3:06 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0771c3fb608190ac10cb35014f1b5a completed May 15, 2026, 7:19 p.m.
NEDg Description generation batch_6a07731b33f88190b34aa3f29ca530e9 completed May 15, 2026, 7:25 p.m.
NED2 Entity disambiguation (via description) batch_6a0773de9e90819081e45eb66ccdfcee completed May 15, 2026, 7:28 p.m.
Created at: April 10, 2026, 1:44 p.m.