Triple
T20420758
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amsterdam–Alkmaar railway |
E500840
|
entity |
| Predicate | infrastructureManager |
P15572
|
FINISHED |
| Object | ProRail |
—
|
NE NERFINISHED |
How this triple was built (2 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: ProRail | Statement: [Amsterdam–Alkmaar railway, infrastructureManager, ProRail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: ProRail Context triple: [Amsterdam–Alkmaar railway, infrastructureManager, ProRail]
-
A.
ProRail
chosen
ProRail is the Dutch government-owned company responsible for managing and maintaining the national railway infrastructure in the Netherlands.
-
B.
Nederlandse Spoorwegen
Nederlandse Spoorwegen is the principal Dutch railway company responsible for most passenger train services across the Netherlands.
-
C.
Staatsspoorwegen
Staatsspoorwegen was the main state-owned railway company of the Dutch East Indies, responsible for developing and operating much of the colonial-era rail infrastructure in what is now Indonesia.
-
D.
SNCB/NMBS
SNCB/NMBS is the Belgian national railway company responsible for operating most passenger train services and managing much of the rail infrastructure in Belgium.
-
E.
Dutch HSL-Zuid
Dutch HSL-Zuid is a high-speed railway line in the Netherlands that connects major Dutch cities with Belgium and the broader European high-speed rail network.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0b4aa68fc8190b1a14c55575ef04a |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e67ba479008190bf6d31ee79f3a401 |
completed | April 20, 2026, 7:16 p.m. |
Created at: April 16, 2026, 11:30 a.m.