Triple

T11803556
Position Surface form Disambiguated ID Type / Status
Subject Brussels-North railway station E280687 entity
Predicate railwayLine P848 FINISHED
Object Line 50 (Belgium)
Line 50 (Belgium) is a major Belgian railway line connecting Brussels with the coastal city of Ostend, serving as an important east–west route in the national rail network.
 E375544 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 50 (Belgium) | Statement: [Brussels-North railway station, railwayLine, Line 50 (Belgium)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Line 50 (Belgium)
Context triple: [Brussels-North railway station, railwayLine, Line 50 (Belgium)]
  • A. 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.
  • B. Belgian railway line 52
    Belgian railway line 52 is a railway route in Belgium that connects the town of Dendermonde with other regional destinations as part of the national rail network.
  • C. Belgian railway line 53
    Belgian railway line 53 is a railway route in Belgium connecting the city of Mechelen with Dendermonde and other intermediate towns.
  • D. Belgian railway line 57
    Belgian railway line 57 is a railway route in Belgium that connects the town of Dendermonde with other regional destinations in East Flanders.
  • E. Belgian railway line 42
    Belgian railway line 42 is a railway route in eastern Belgium that connects Liège with the Luxembourg border through the Ardennes region.
  • 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 50 (Belgium)
Triple: [Brussels-North railway station, railwayLine, Line 50 (Belgium)]
Generated description
Line 50 (Belgium) is a major Belgian railway line connecting Brussels with the coastal city of Ostend, serving as an important east–west route in the national rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Line 50 (Belgium)
Target entity description: Line 50 (Belgium) is a major Belgian railway line connecting Brussels with the coastal city of Ostend, serving as an important east–west route in the national rail network.
  • A. Belgian railway line 50A chosen
    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.
  • B. Belgian railway line 52
    Belgian railway line 52 is a railway route in Belgium that connects the town of Dendermonde with other regional destinations as part of the national rail network.
  • C. Belgian railway line 53
    Belgian railway line 53 is a railway route in Belgium connecting the city of Mechelen with Dendermonde and other intermediate towns.
  • D. Belgian railway line 57
    Belgian railway line 57 is a railway route in Belgium that connects the town of Dendermonde with other regional destinations in East Flanders.
  • E. Belgian railway line 42
    Belgian railway line 42 is a railway route in eastern Belgium that connects Liège with the Luxembourg border through the Ardennes region.
  • 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_69d6ab26aae88190b2489efcb2a24234 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d8a5a5a2048190b68027f622366079 completed April 10, 2026, 7:24 a.m.
NED1 Entity disambiguation (via context triple) batch_69f1314300248190847b9c61bbfda121 completed April 28, 2026, 10:14 p.m.
NEDg Description generation batch_69f141b1c50c819081a8055d951a49de completed April 28, 2026, 11:24 p.m.
NED2 Entity disambiguation (via description) batch_69f14fcb63208190ad1185ad66314fa9 completed April 29, 2026, 12:24 a.m.
Created at: April 8, 2026, 9:42 p.m.