Triple

T15620786
Position Surface form Disambiguated ID Type / Status
Subject Belgian railway line 50A E375544 entity
Predicate formsPartOfRoute P6309 FINISHED
Object Brussels–Ostend main line
The Brussels–Ostend main line is a major Belgian railway corridor linking the capital Brussels with the coastal city of Ostend, serving as a key route for both passenger and regional traffic.
 E1169255 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–Ostend main line | Statement: [Belgian railway line 50A, formsPartOfRoute, Brussels–Ostend main line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Brussels–Ostend main line
Context triple: [Belgian railway line 50A, formsPartOfRoute, Brussels–Ostend main line]
  • A. 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.
  • B. Brussels–Namur railway line
    The Brussels–Namur railway line is a major Belgian rail route connecting the capital city Brussels with the city of Namur, serving as an important corridor for both regional and intercity train services.
  • C. Brussels–Mons railway line
    The Brussels–Mons railway line is a major Belgian rail route connecting the capital Brussels with the city of Mons via intermediate towns such as Halle.
  • D. Liège–Maastricht railway line
    The Liège–Maastricht railway line is an international rail route connecting the Belgian city of Liège with the Dutch city of Maastricht, serving as an important regional and cross-border transport link.
  • E. Brussels–Antwerp railway axis
    The Brussels–Antwerp railway axis is a major Belgian rail corridor linking the capital Brussels with the port city of Antwerp, serving as one of the country’s busiest passenger and freight routes.
  • 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–Ostend main line
Triple: [Belgian railway line 50A, formsPartOfRoute, Brussels–Ostend main line]
Generated description
The Brussels–Ostend main line is a major Belgian railway corridor linking the capital Brussels with the coastal city of Ostend, serving as a key route for both passenger and regional traffic.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Brussels–Ostend main line
Target entity description: The Brussels–Ostend main line is a major Belgian railway corridor linking the capital Brussels with the coastal city of Ostend, serving as a key route for both passenger and regional traffic.
  • A. 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.
  • B. Brussels–Namur railway line
    The Brussels–Namur railway line is a major Belgian rail route connecting the capital city Brussels with the city of Namur, serving as an important corridor for both regional and intercity train services.
  • C. Brussels–Mons railway line
    The Brussels–Mons railway line is a major Belgian rail route connecting the capital Brussels with the city of Mons via intermediate towns such as Halle.
  • D. Liège–Maastricht railway line
    The Liège–Maastricht railway line is an international rail route connecting the Belgian city of Liège with the Dutch city of Maastricht, serving as an important regional and cross-border transport link.
  • E. Brussels–Antwerp railway axis
    The Brussels–Antwerp railway axis is a major Belgian rail corridor linking the capital Brussels with the port city of Antwerp, serving as one of the country’s busiest passenger and freight routes.
  • 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_69d85ccf2794819096cda4cbcb02d478 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04e9a95f08190b0013ba1428849d3 completed April 16, 2026, 2:51 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff678a9fac81908030726054ff5a99 completed May 9, 2026, 4:57 p.m.
NEDg Description generation batch_69ff6883b5048190b64e4361bc89dd80 completed May 9, 2026, 5:01 p.m.
NED2 Entity disambiguation (via description) batch_69ff6911a76c819088c8a86d2106b6c6 completed May 9, 2026, 5:04 p.m.
Created at: April 10, 2026, 4:13 a.m.