Triple
T8553915
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Haarlem–Leiden railway |
E202511
|
entity |
| Predicate | hasOwner |
P347
|
FINISHED |
| Object | ProRail |
E74236
|
NE FINISHED |
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: [Haarlem–Leiden railway, hasOwner, ProRail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: ProRail Context triple: [Haarlem–Leiden railway, hasOwner, 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.
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.
-
D.
Spoornet
Spoornet was South Africa’s former state-owned freight rail operator, responsible for much of the country’s heavy rail transport before being restructured and rebranded.
-
E.
Amsterdam–Schiphol railway
The Amsterdam–Schiphol railway is a key rail line in the Netherlands that connects central Amsterdam with Schiphol Airport and other major routes in the Randstad region.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca832610e08190b3b6c6cd2c250255 |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cbe8894e7c8190bc0ae2ceec473ecb |
completed | March 31, 2026, 3:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce892efdf8819093c966bd8f6c8065 |
completed | April 2, 2026, 3:20 p.m. |
Created at: March 30, 2026, 6:19 p.m.