Triple
T12019516
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Brussels North–South railway axis |
E286110
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object |
Brussels North–South rail tunnel
The Brussels North–South rail tunnel is a major underground railway link that carries trains through the center of Brussels, connecting the city’s main north and south stations as part of Belgium’s busiest rail corridor.
|
E959544
|
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 North–South rail tunnel | Statement: [Brussels North–South railway axis, hasStructure, Brussels North–South rail tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Brussels North–South rail tunnel Context triple: [Brussels North–South railway axis, hasStructure, Brussels North–South rail tunnel]
-
A.
Beneluxtunnel
The Beneluxtunnel is a major Dutch road and metro tunnel near Rotterdam that carries traffic beneath the Nieuwe Maas river, forming a key link in the region’s transport network.
-
B.
Heinenoord Tunnel
The Heinenoord Tunnel is a major Dutch road tunnel beneath the Oude Maas river that connects the island of Hoeksche Waard with the mainland near Rotterdam.
-
C.
Velsertunnel
The Velsertunnel is a major road and rail tunnel in the Netherlands that runs beneath the North Sea Canal near Velsen, providing a key connection between the regions north and south of the canal.
-
D.
Zeeburgertunnel
The Zeeburgertunnel is a major road tunnel in Amsterdam that carries traffic beneath the Amsterdam–Rhine Canal as part of the city’s A10 ring road.
-
E.
Coen Tunnel
The Coen Tunnel is a major road tunnel in Amsterdam, the Netherlands, carrying motorway traffic beneath the North Sea Canal to connect the city’s northern and western parts.
- 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 North–South rail tunnel Triple: [Brussels North–South railway axis, hasStructure, Brussels North–South rail tunnel]
Generated description
The Brussels North–South rail tunnel is a major underground railway link that carries trains through the center of Brussels, connecting the city’s main north and south stations as part of Belgium’s busiest rail corridor.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Brussels North–South rail tunnel Target entity description: The Brussels North–South rail tunnel is a major underground railway link that carries trains through the center of Brussels, connecting the city’s main north and south stations as part of Belgium’s busiest rail corridor.
-
A.
Beneluxtunnel
The Beneluxtunnel is a major Dutch road and metro tunnel near Rotterdam that carries traffic beneath the Nieuwe Maas river, forming a key link in the region’s transport network.
-
B.
Heinenoord Tunnel
The Heinenoord Tunnel is a major Dutch road tunnel beneath the Oude Maas river that connects the island of Hoeksche Waard with the mainland near Rotterdam.
-
C.
Velsertunnel
The Velsertunnel is a major road and rail tunnel in the Netherlands that runs beneath the North Sea Canal near Velsen, providing a key connection between the regions north and south of the canal.
-
D.
Zeeburgertunnel
The Zeeburgertunnel is a major road tunnel in Amsterdam that carries traffic beneath the Amsterdam–Rhine Canal as part of the city’s A10 ring road.
-
E.
Coen Tunnel
The Coen Tunnel is a major road tunnel in Amsterdam, the Netherlands, carrying motorway traffic beneath the North Sea Canal to connect the city’s northern and western parts.
- 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_69d6ab45a368819084fce08bf0dc3705 |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d903dabf2c819084dcaa05ae0a6018 |
completed | April 10, 2026, 2:06 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f48b53cd08819084a9335449844f12 |
completed | May 1, 2026, 11:15 a.m. |
| NEDg | Description generation | batch_69f48fc6da4c81908442f18cb4a65b27 |
completed | May 1, 2026, 11:34 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f495f069c48190a6e5856c272420c0 |
completed | May 1, 2026, noon |
Created at: April 8, 2026, 9:47 p.m.