Triple

T6342213

Position	Surface form	Disambiguated ID	Type / Status
Subject	Belgian railway line 25	`E142653`	entity
Predicate	partOf	`P40`	FINISHED
Object	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.	`E587808`	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–Antwerp railway axis | Statement: [Belgian railway line 25, partOf, Brussels–Antwerp railway axis]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Brussels–Antwerp railway axis
Context triple: [Belgian railway line 25, partOf, Brussels–Antwerp railway axis]

A. Brussels North–South railway axis
The Brussels North–South railway axis is a major rail corridor running through central Brussels that connects the city’s main stations and serves as a key backbone of Belgium’s national and international train network.
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. Amsterdam–Maastricht rail corridor
The Amsterdam–Maastricht rail corridor is a major north–south railway axis in the Netherlands that connects the capital Amsterdam with the southern city of Maastricht via key intermediate hubs.
D. Belgian railway network
The Belgian railway network is a dense, electrified rail system covering all regions of Belgium and connecting major cities domestically and internationally.
E. Amsterdam–Eindhoven railway corridor
The Amsterdam–Eindhoven railway corridor is a major Dutch rail axis connecting the capital Amsterdam with the southern city of Eindhoven, serving as a key route for both intercity and regional train services.
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–Antwerp railway axis
Triple: [Belgian railway line 25, partOf, Brussels–Antwerp railway axis]

Generated description

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.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Brussels–Antwerp railway axis
Target entity description: 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.

A. Brussels North–South railway axis
The Brussels North–South railway axis is a major rail corridor running through central Brussels that connects the city’s main stations and serves as a key backbone of Belgium’s national and international train network.
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. Amsterdam–Maastricht rail corridor
The Amsterdam–Maastricht rail corridor is a major north–south railway axis in the Netherlands that connects the capital Amsterdam with the southern city of Maastricht via key intermediate hubs.
D. Belgian railway network
The Belgian railway network is a dense, electrified rail system covering all regions of Belgium and connecting major cities domestically and internationally.
E. Amsterdam–Eindhoven railway corridor
The Amsterdam–Eindhoven railway corridor is a major Dutch rail axis connecting the capital Amsterdam with the southern city of Eindhoven, serving as a key route for both intercity and regional train services.
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_69c008d5ab108190b346c465696824a9`	completed	March 22, 2026, 3:20 p.m.
NER	Named-entity recognition	`batch_69c0674445748190bce2d638048be77c`	completed	March 22, 2026, 10:03 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69c62d4656f48190a4725fdeb2dd255d`	completed	March 27, 2026, 7:09 a.m.
NEDg	Description generation	`batch_69c62f020d808190a59cbab15a9ca5dc`	completed	March 27, 2026, 7:17 a.m.
NED2	Entity disambiguation (via description)	`batch_69c62fbbf58881908e872a6a67676fac`	completed	March 27, 2026, 7:20 a.m.

Created at: March 22, 2026, 4:30 p.m.