Triple

T13218487
Position Surface form Disambiguated ID Type / Status
Subject Bruxelles-Central / Brussel-Centraal railway station E314684 entity
Predicate railwayLine P848 FINISHED
Object Belgian railway line 2
Belgian railway line 2 is a major electrified railway route in Belgium that connects Brussels with Leuven and Liège, forming part of an important national and international corridor.
 E1028413 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: Belgian railway line 2 | Statement: [Bruxelles-Central / Brussel-Centraal railway station, railwayLine, Belgian railway line 2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Belgian railway line 2
Context triple: [Bruxelles-Central / Brussel-Centraal railway station, railwayLine, Belgian railway line 2]
  • A. Belgian railway line 27
    Belgian railway line 27 is a major electrified railway route in Belgium connecting Brussels with Antwerp and serving several intermediate towns and suburbs.
  • B. Belgian railway line 25
    Belgian railway line 25 is one of Belgium’s main railway routes, connecting Brussels with Antwerp and forming a key part of the country’s north–south rail corridor.
  • C. Belgian railway line 25N
    Belgian railway line 25N is a high-capacity rail link in Belgium that connects Brussels with the northern high-speed and conventional rail network, helping to relieve congestion on older main lines.
  • D. 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.
  • E. Belgian railway line 125
    Belgian railway line 125 is a railway route in Belgium that runs along the Meuse River, connecting Liège with Namur and serving several towns in the Walloon 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: Belgian railway line 2
Triple: [Bruxelles-Central / Brussel-Centraal railway station, railwayLine, Belgian railway line 2]
Generated description
Belgian railway line 2 is a major electrified railway route in Belgium that connects Brussels with Leuven and Liège, forming part of an important national and international corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Belgian railway line 2
Target entity description: Belgian railway line 2 is a major electrified railway route in Belgium that connects Brussels with Leuven and Liège, forming part of an important national and international corridor.
  • A. Belgian railway line 27
    Belgian railway line 27 is a major electrified railway route in Belgium connecting Brussels with Antwerp and serving several intermediate towns and suburbs.
  • B. Belgian railway line 25
    Belgian railway line 25 is one of Belgium’s main railway routes, connecting Brussels with Antwerp and forming a key part of the country’s north–south rail corridor.
  • C. Belgian railway line 25N
    Belgian railway line 25N is a high-capacity rail link in Belgium that connects Brussels with the northern high-speed and conventional rail network, helping to relieve congestion on older main lines.
  • D. 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.
  • E. Belgian railway line 125
    Belgian railway line 125 is a railway route in Belgium that runs along the Meuse River, connecting Liège with Namur and serving several towns in the Walloon region.
  • 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_69d806affc688190a25b6ccc588e9c72 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d98cf392e08190949ee4d194566395 completed April 10, 2026, 11:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6ff2085f88190be8cfc309d21f9cb completed May 3, 2026, 7:54 a.m.
NEDg Description generation batch_69f7036009808190aea595cd542e0cf1 completed May 3, 2026, 8:12 a.m.
NED2 Entity disambiguation (via description) batch_69f7040e32a4819083a9f4efe96fd9ca completed May 3, 2026, 8:15 a.m.
Created at: April 9, 2026, 9:18 p.m.